CN115536511A - 1,4-二醛酮化合物、其合成方法及应用 - Google Patents

1,4-二醛酮化合物、其合成方法及应用 Download PDF

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CN115536511A
CN115536511A CN202211290880.1A CN202211290880A CN115536511A CN 115536511 A CN115536511 A CN 115536511A CN 202211290880 A CN202211290880 A CN 202211290880A CN 115536511 A CN115536511 A CN 115536511A
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张金鹏
徐琳琳
董贵超
姜孟飞
曹晟睿
方媛
徐洲
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Abstract

本申请公开了一种1,4‑醛酮化合物及其合成方法。所述1,4‑醛酮化合物具有下式所示结构:
Figure DDA0003900752570000011
其中Ra包括H、卤素、取代或未取代的烷基、取代或未取代的芳基、取代或未取代的杂环基、取代或未取代的烯基、炔基、酯基、氨基或氰基,Rb包括H、卤素、取代或未取代的烷基、取代或未取代的芳基或者取代或未取代的杂环基。所述1,4‑醛酮类化合物可以由脂肪醛,烯氧基吡啶鎓盐和二级胺在室温下反应获得,其合成工艺简洁高效,在医药等领域有广阔应用前景。

Description

1,4-二醛酮化合物、其合成方法及应用
技术领域
本申请具体涉及一种1,4-二醛酮化合物、其合成方法及应用,属于有机化学技术领域。
背景技术
1,4-酮醛是许多天然产物和药物化合物的常见亚结构,也是构建生物学上重要的异环化合物的通用构建块。许多努力都致力于发展新的合成方法。然而,由于酮碳基单元和醛单元在1,4-关系中的结合通常需要一个碳基底物的极性反转。迄今为止,能高效和通用合成1,4-酮醛的方法尚较少被报道。已知的主要方法包括:烯丙醇的有机催化异构化;铜催化烯胺酮衍生的环丙烷中间体的键裂解;在烷基乙烯酮中***α-溴自由基;磺胺[3,3]重排等。通过逆合成分析,1,4-醛酮拆分为两个羰基部分的电性不匹配,难以偶联。
发明内容
本发明的主要目的在于提供一种1,4-二醛酮化合物及其合成方法和应用,该合成方法利用极性反转策略实现醛羰基与酮羰基的电性匹配偶联来制备1,4-醛酮化合物,从而克服现有技术的不足。
为实现上述发明目的,本发明采用了如下技术方案:
本发明的一个方面提供了一种1,4-醛酮化合物,其具有下式所示结构:
Figure BDA0003900752550000011
其中Ra包括H、卤素、取代或未取代的烷基、取代或未取代的芳基、取代或未取代的杂环基、取代或未取代的烯基、炔基、酯基、氨基或氰基,Rb包括H、卤素、取代或未取代的烷基、取代或未取代的芳基或者取代或未取代的杂环基。
在一个实施例中,所述1,4-醛酮化合物包括下列的任一种化合物:
Figure BDA0003900752550000021
本发明的另一个方面提供了一种1,4-醛酮化合物的合成方法,其包括:使包含脂肪醛,烯氧基吡啶鎓盐和二级胺的均匀混合反应体系于室温下进行反应,获得1,4-醛酮类化合物。
在一个实施例中,所述的二级胺包括二乙胺、吡咯、吗啉、N,N-二异丙基乙胺、N-甲基苯基胺中的任意一种或多种的组合,且不限于此。
在一个实施例中,所述脂肪醛具有式(I)所示结构:
Figure BDA0003900752550000022
其中,Rb包括H、卤素、取代或未取代的烷基、取代或未取代的芳基或者取代或未取代的杂环基。
示例性的,所述脂肪醛包括苯丙醛、对氯苯丙醛、对溴苯丙醛、噻吩-2-丙醛、5-甲基呋喃-2-丙醛、2-环己基-1-乙醛、正丁醛、正己醛、正庚醛、正壬醛、6-氯-1-己醛等,但不限于此。
在一个实施例中,所述烯氧基吡啶鎓盐具有式(II)所示结构:
Figure BDA0003900752550000023
其中,Ra包括H、卤素、取代或未取代的烷基、取代或未取代的芳基、取代或未取代的杂环基、取代或未取代的烯基、炔基、酯基、氨基或氰基,X-包括负电性基团。
在一个实施例中,X-包括-NTf2
在一个实施例中,所述脂肪醛与烯氧基吡啶鎓盐的摩尔比为0.8∶1-1∶0.8,所述二级胺与脂肪醛的摩尔比为0.8∶1-1∶0.8。
在一个实施例中,所述反应的时间为0.5h以上。
在一个实施例中,所述均匀混合反应体系还包括有机溶剂。进一步的,所述有机溶剂包括二氯甲烷、二氯乙烷、乙腈、甲醇、N,N-二甲基甲酰胺、甲苯中的任意一种或多种的组合,且不限于此。
本发明的另一个方面还提供了所述1,4-醛酮化合物在合成碳环化合物或杂环化合物中的用途。所述碳环化合物或杂环化合物可以用于制备药物,例如抗肿瘤药物。
较之现有技术,本发明提供了一种由脂肪醛直接制备1,4-醛酮化合物的方法,该方法是利用一锅法在二级胺的催化下使得二级胺与脂肪醛快速生成烯胺化合物,烯氧基吡啶鎓盐本身是高活性的亲电试剂,容易与烯胺中的双键进行反应,得到反应中间体后,在本身反应体系中水的进攻下中间体中的亚胺正离子水解成醛基,可以实现1,4-醛酮化合物的制备,该合成工艺简洁高效,制得的1,4-醛酮化合物可以用于制备抗肿瘤药物或药物中间体等,在医药等领域的应用前景广阔。
附图说明
图1a-图1c分别示出了本申请实施例中化合物5对人卵巢癌细胞(SKOV3)、人乳腺癌细胞(MCF-7)和人肝癌细胞(HepG2)的增殖活性的抑制效果。
具体实施方式
鉴于现有技术中的不足,本案发明人经长期研究和大量实践,得以提出本发明的技术方案,其利用二级胺催化脂肪醛化合物,很容易的生成了稳定烯胺中间体,这一方式远远优于现有技术中需要在甲苯中110℃反应较长时间才能得到烯胺化合物的方式,因烯胺结构中的双键具有一定的亲核性,而在烯氧基吡啶鎓盐的结构中具有强亲电性的双键不饱和基团,即烯氧基吡啶鎓盐本身是高活性的亲电试剂,通过使烯氧基吡啶鎓盐与烯胺结构中的双键进行反应,得到反应中间体后,在反应体系中水的进攻下,反应中间体中的亚胺正离子水解成醛基,可以实现1,4-醛酮化合物的制备,构建sp3-sp3杂化的碳碳键。
在一个较为典型的实施案例中,一种1,4-醛酮化合物的合成工艺原理可以参阅下式:
Figure BDA0003900752550000041
其中Ra、Rb可以选用前文所述的各种取代基团。
下面结合若干优选实施例对本发明的技术方案做进一步详细说明,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动的前提下所获得的所有其他实施例,都属于本发明保护的范围。
在如下实施例中,所有试剂和溶剂均从商业来源购买,使用时未经进一步净化,除非另有说明。所有反应均采用薄层色谱法(TLC)进行监测。除非另有说明,所有反应均在空气中进行。在硅胶(200-300目)上进行柱层析,用紫外线观察。用乙酸乙酯和石油醚作为洗脱剂。在室温下,以MDB为内标,CDCl3为溶剂,在JEOL ECZ400上记录1H、13C和19F光谱。多重性缩写为:s,单峰;d,双峰;t,三重峰;q,四重峰;se-Pt七重奏;m,多重峰;傅立叶变换红外光谱(FT-IR)在Agilent Technologies Cary 630仪器上记录。HRMS分析采用ESI-TOF方法。熔点在微熔点仪上测定。
在如下实施例中所使用到的一些原料的合成方法具体如下。
1、S1ah-S1al的合成
Figure BDA0003900752550000042
将EDCI(6.0mmol,1.2equiv,1.15g)和DMAP(0.5mmol,0.1equiv,0.061g)在0℃的DCM(20.0mL)中加入β-谷甾醇(5.0mmol,2.07g)和5-己醇酸(5.0mmol,1equiv)的溶液中。加入后,在室温下搅拌,直到TLC显示完成。反应用水淬火,用CH2Cl2(2×20mL)萃取。结合的有机层在无水Na2SO4上干燥,并在真空中浓缩。粗产物经闪蒸色谱(硅胶,50:1石油醚/乙酸乙酯)纯化得到4-乙酰苯甲酸S1ah-S1al。
参照以上合成方法合成的部分产物及其表征数据如下:
(3S,8S,9S,10R,13R,14S,17R)-17-((2S,5R)-5-Ethyl-6-methylheptan-2-yl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl-hex-5-ynoate(S1ah)
Figure BDA0003900752550000051
柱层析纯化后的白色固体(石油醚/乙酸乙酯=50/1);mp:155.0-155.6℃,2.5g,98%产率。1H NMR(400MHz,Chloroform-d)δ5.37(d,J=4.1Hz,1H),4.68-4.54(m,1H),2.42(t,J=7.3Hz,2H),2.35-2.22(m,4H),2.03-1.91(m,2H),1.91-1.79(m,4H),1.63-1.44(m,7H),1.42(s,3H),1.33-1.21(m,4H),1.19-1.07(m,4H),1.01(s,3H),0.94-0.89(m,4H),0.86(t,J=5.5Hz,4H),0.85-0.79(m,10H),0.67(s,3H).13C NMR(100MHz,Chloroform-d)δ172.5,139.6,122.7,83.4,76.7,73.9,69.0,56.6,55.9,49.9,45.8,42.3,39.7,38.1,36.9,36.6,36.1,33.9,33.3,31.9,31.8,29.1,28.2,27.8,25.9,24.3,23.7,23.0,20.9,19.8,19.3,18.9,18.7,17.8,11.9,11.8.IR(KBr,cm-1):3263,2954,2870,1720,1465,1381,1323,1265,1195,1153,1010,921,879,802,736,682,536.HRMS(ESI+)m/z:[M+H]+calcd forC35H57O2 +:509.4353;found:509.4344.
(4S,5′R,6aS,8aS,8bR,9S,10R,11aS,12aS,12bR)-5′,6a,8a,9-Tetramethyl-2a,3,3′,4,4′,5,5′,6,6a,6b,6′,7,8,8a,8b,9,11a,12,12a,12b-icosahydrospiro[naphtho[2′,1′:4,5]indeno[2,1-b]furan-10,2′-pyran]-4-yl-hex-5-ynoate(S1ai)
Figure BDA0003900752550000052
柱层析纯化后的白色固体(石油醚/乙酸乙酯=50/1);mp:167.5-168.2℃,2.5g,97%产率。1H NMR(400MHz,Chloroform-d)δ5.37(d,J=4.6Hz,1H),4.68-4.54(m,1H),4.41(q,J=7.5Hz,1H),3.47(dd,J=11.0,4.1Hz,1H),3.37(t,J=10.7Hz,1H),2.42(t,J=7.5Hz,2H),2.35-2.21(m,4H),2.05-1.93(m,3H),1.91-1.81(m,5H),1.81-1.69(m,2H),1.66-1.55(m,7H),1.55-1.36(m,4H),1.28(td,J=12.7,6.3Hz,1H),1.23-1.05(m,3H),1.03(s,3H),0.97(d,J=6.9Hz,3H),0.79(d,J=4.6Hz,6H).13C NMR(100MHz,Chloroform-d)δ172.3,139.6,122.3,109.2,83.3,80.7,73.8,69.1,66.7,61.9,56.3,49.8,41.5,40.2,39.6,38.0,36.9,36.6,33.2,31.9,31.8,31.3,30.2,28.7,27.7,23.6,20.7,19.3,17.8,17.1,16.2,14.5.IR(KBr,cm-1):2931,2885,1724,1450,1377,1246,1165,1049,1006,983,960,918,898,864,840,798,702,597,536.HRMS(ESI+)m/z:[M+H]+calcd for C33H49O4 +:509.3625;found:509.3647.
(3R,4S,5R,6R)-3,4,5-5Tris(benzyloxy)-6-((benzyloxy)methyl)tetrahydro-2H-pyran-2-yl-hex-5-ynoate(S1aj)
Figure BDA0003900752550000061
柱层析纯化后的白色固体(石油醚/乙酸乙酯=20/1);mp:65.3-67.5℃,3054.10g,96%产率。1H NMR(400MHz,Chloroform-d)δ7.29(q,J=2.4Hz,20H),7.16(q,J=2.7Hz,2H),6.46-5.60(m,1H),4.95(dd,J=24.5,10.7Hz,1H),4.89-4.81(m,2H),4.79(d,J=4.1Hz,1H),4.75-4.60(m,2H),4.58-4.47(m,2H),4.00-3.86(m,1H),3.82-3.69(m,4H),3.69-3.56(m,1H),2.62-2.44(m,1H),2.27(tt,J=7.0,2.2Hz,2H),1.99(q,J=2.6Hz,1H),1.92-1.81(m,2H),0.94-0.84(2H).13C NMR(100MHz,Chloroform-d)δ207.6,202.8,171.7,166.2,165.8,165.3,138.0,133.8,133.7,133.5,130.0,129.9,129.8,129.6,129.5,129.2,129.0,128.8,128.7,128.7,128.6,128.5,126.9,94.8,82.9,82.8,77.2,70.8,70.7,64.1,60.5,48.4,41.3,40.8,34.6,32.6,21.2,18.3,14.3.IR(KBr,cm-1):3290,3030,2912,2858,1743,1608,1585,1496,1444,1359,1205,1076,732,700,636,459.HRMS(ESI+)m/z:[M+Na]+calcd for C40H42O7Na+:657.2823;found:657.2810.
(2R,3R,4R,5R)-5-((Benzoyloxy)methyl)-3-(hex-5-ynoyloxy)tetrahydrofuran-2,4-diyl-dibenzoate(S1ak)
Figure BDA0003900752550000071
柱层析纯化后的透明粘性液体(石油醚/乙酸乙酯=20/1);2.7g,96%产率。1HNMR(400MHz,Chloroform-d)δ8.12-8.07(m,6H),7.67-7.57(m,3H),7.52-7.37(m,6H),6.81(d,J=4.6Hz,1H),5.79(dd,J=6.4,2.3Hz,1H),5.57(dd,J=6.4,4.6Hz,1H),4.86(q,J=2.9Hz,1H),4.72(dd,J=12.3,3.2Hz,1H),4.65-4.57(1H),2.42(t,J=7.5Hz,2H),2.13(td,J=7.0,2.6Hz,2H),1.80(t,J=2.5Hz,1H),1.78-1.68(m,2H).13C NMR(100MHz,Chloroform-d)δ171.7,166.2,165.8,165.3,133.8,133.6,133.5,130.1,130.0,129.9,129.8,129.7,129.5,129.3,128.7,128.7,128.5,94.8,83.0,82.9,77.1,70.9,70.7,69.3,64.1,32.3,23.3,17.7.IR(KBr,cm-1):3277,3047,2927,2360,1724,1598,1450,1315,1265,1114,1022,707.HRMS(ESI+)m/z:[M+Na]+calcd for C32H28O9Na+:579.1626;found:579.1617.
(3aS,4R,6R,6aS)-6-((R)-2,2-Dimethyl-1,3-dioxolan-4-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl-hex-5-ynoate(S1al)
Figure BDA0003900752550000072
柱层析纯化后的透明粘性液体(石油醚/乙酸乙酯=20/1);1.7g,97%产率。1HNMR(400MHz,Chloroform-d)δ6.14(s,1H),4.85(q,J=3.2Hz,1H),4.69(d,J=5.9Hz,1H),4.43-4.36(m,1H),4.13-4.06(1H),4.02(td,J=7.9,3.7Hz,2H),2.46(t,J=7.5Hz,2H),2.27(td,J=6.9,2.7Hz,2H),1.99(t,J=2.7Hz,1H),1.90-1.77(m,2H),1.47(d,J=10.5Hz,6H),1.35(d,J=13.7Hz,6H).13C NMR(100MHz,Chloroform-d)δ171.5,113.2,109.3,100.6,85.0,83.0,82.2,79.2,77.0,72.8,69.3,66.8,32.7,26.9,25.9,25.1,24.6,23.1,17.6.IR(KBr,cm-1):3251,3010,2987,2902,1743,1490,1463,1280,1165,1151,1120,1071,1039,974,846,707,680,563,516,468,418.HRMS(ESI+)m/z:[M+Na]+calcdforC18H26O7Na+:377.1751;found:377.1569.
2、烯氧基吡啶鎓盐的合成
Figure BDA0003900752550000081
对甲基吡啶氧化物和Tf2NH以1.2/1.1的摩尔比预混,然后储存在小瓶中直接用于反应。将PPh3AuNTf2(5.5mg,0.025equiv.)加入到PPh4-yn-1-酰苯(43.8mg,0.3mmol)、上述预混盐(126.9mg,1.2equiv,在对甲基吡啶氧化物中)和HFIP(0.3mL)的混合物中,置于室温下的小瓶中。将反应混合物在室温下搅拌,用薄层色谱(CH2Cl2/MeOH=10/1)监测反应进展。反应完成后,用硅胶柱层析法纯化n-烯基氧吡啶盐,分离收率大于90%(CH2Cl2/MeOH=100/1)。
基于以上方法合成的部分产物及其表征数据如下:
4-Methyl-1-((5-phenylpent-1-en-2-yl)oxy)pyridin-1-iumbis((trifluoromethyl)sulfonyl)amide(2a)
Figure BDA0003900752550000082
柱层析纯化后的黄色粘稠液体(CH2Cl2/MeOH=100/1);1040.1mg,97%产率。1HNMR(400MHz,Chloroform-d)δ8.55-8.48(m,2H),7.96(d,J=6.7Hz,2H),7.28(t,J=7.4Hz,2H),7.19(dt,J=9.8,3.0Hz,3H),4.46(d,J=5.4Hz,1H),3.68(d,J=5.5Hz,1H),2.69(d,J=5.5Hz,5H),2.38(t,J=7.7Hz,2H),1.96(p,J=7.6Hz,2H).13C NMR(100MHz,Chloroform-d)δ165.2,161.4,141.1,140.5,130.4,128.4,128.4,126.0,121.3,118.1,88.9,34.7,30.3,27.7,22.2.19F NMR(376MHz,Chloroform-d)δ-78.83.IR(KBr,cm-1):3113,2939,1716,1666,1639,1624,1496,1454,1350,1192,1138,1056,786,740,651,617,570,513.HRMS(ESI+)m/z:[M]+calcd for C17H20NO+:254.1539;found:254.1540.
1-(Hex-1-en-2-yloxy)-4-methylpyridin-1-ium bis((trifluoromethyl)sulfonyl)amide(2b)
Figure BDA0003900752550000091
柱层析纯化后的黄色粘稠液体(CH2Cl2/MeOH=100/1);910.8mg,97%产率。1H NMR(400MHz,Chloroform-d)δ8.60(d,J=6.9Hz,2H),7.98(d,J=6.4Hz,2H),4.42(d,J=5.5Hz,1H),3.64(d,J=5.5Hz,1H),2.69(s,3H),2.33(t,J=7.8Hz,2H),1.65-1.48(m,2H),1.36(q,J=7.5Hz,2H),0.89(t,J=7.3Hz,3H).13C NMR(100MHz,Chloroform-d)δ165.7,161.3,140.6,130.3,121.2,118.0,88.2,30.4,28.3,22.1,21.7,13.3.19F NMR(376MHz,Chloroform-d)δ-78.89.IR(KBr,cm-1):3116,2962,2935,2873,1666,1624,1496,1462,1350,1138,1056,871,852,786,740,655,617,570,513.HRMS(ESI+)m/z:[M]+calcd forC12H18NO+:192.1383;found:192.1391.
4-Methyl-1-(oct-1-en-2-yloxy)pyridine-1-iumbis((trifluoromethyl)sulfonyl)amide(2c)
Figure BDA0003900752550000092
柱层析纯化后的黄色粘稠液体(CH2Cl2/MeOH=100/1);960.0mg,96%产率。1H NMR(400MHz,Chloroform-d)δ8.66-8.59(m,2H),8.03(d,J=6.7Hz,2H),4.47(d,J=5.4Hz,1H),3.69(d,J=5.3Hz,1H),2.74(s,3H),2.36(t,J=7.7Hz,2H),1.61(p,J=7.9,7.4Hz,2H),1.44-1.20(m,6H),0.93-0.82(m,3H).13C NMR(100MHz,Chloroform-d)δ165.8,161.3,140.6,130.4,121.2,118.0,88.3,31.1,30.7,28.3,26.2,22.2,22.1,13.8.19F NMR(376MHz,Chloroform-d)δ-78.83.IR(KBr,cm-1):2927,2854,1666,1624,1496,1458,1354,1192,1138,1056,848,786,740,690,651,617,570,513.HRMS(ESI+)m/z:[M]+calcd forC14H22NO+:220.1696;found:220.1670.
1-(Hexadec-1-en-2-yloxy)-4-methylpyridin-1-iumbis((trifluoromethyl)sulfonyl)amide(2d)
Figure BDA0003900752550000101
柱层析纯化后的黄色粘稠液体(CH2Cl2/MeOH=100/1);1164.1mg,95%产率。1HNMR(400MHz,Chloroform-d)δ8.62(d,J=7.1Hz,2H),8.03(d,J=6.4Hz,2H),4.50-4.39(d,J=5.5Hz,1H),3.67(d,J=5.5Hz,1H),2.80-2.67(s,3H),2.35(t,J=7.8Hz,2H),1.67-1.52(m,2H),1.34-1.14(m,18H),0.84(t,J=6.9Hz,3H).13C NMR(100MHz,Chloroform-d)δ166.0,161.5,140.7,134.0,130.6,88.5,31.9,30.9,29.7,29.6,29.6,29.4,29.3,29.2,28.9,26.5,22.7,22.4,14.1.19F NMR(376MHz,Chloroform-d)δ-78.89.IR(KBr,cm-1):3116,2927,2854,1666,1624,1496,1462,1350,1192,1138,1060,848,786,740,655,617,570,513.HRMS(ESI+)m/z:[M]+calcd for C22H38NO+:332.2948;found:332.2954.
1-((6-Methoxy-6-oxohex-1-en-2-yl)oxy)-4-methylpyridin-1-iumbis((trifluoromethyl)sulfonyl)amide(2e)
Figure BDA0003900752550000102
柱层析纯化后的黄色粘稠液体(CH2Cl2/MeOH=100/1);996.7mg,96%产率。1H NMR(400MHz,Chloroform-d)δ8.77-8.64(m,2H),8.01(d,J=6.6Hz,2H),4.51-4.45(m,1H),3.74-3.66(m,1H),3.64(d,J=0.9Hz,3H),2.73(s,3H),2.52-2.30(m,4H),1.96(h,J=7.5Hz,2H).13C NMR(100MHz,Chloroform-d)δ173.5,164.5,161.6,140.7,130.5,121.3,118.1,89.1,51.6,32.6,30.4,22.3,21.3.19F NMR(376MHz,Chloroform-d)δ-78.92.IR(KBr,cm-1):3116,2958,1732,1666,1624,1496,1458,1438,1350,1192,1138,1056,848,786,740,651,617,570,513.HRMS(ESI+)m/z:[M]+calcd for C13H18NO3 +:236.1281;found:236.1284.
1-((5-Chloropent-1-en-2-yl)oxy)-4-methylpyridin-1-iumbis((trifluoromethyl)sulfonyl)amide(2f)
Figure BDA0003900752550000103
柱层析纯化后的黄色粘稠液体(CH2Cl2/MeOH=100/1);956.0mg,97%产率。1H NMR(400MHz,Chloroform-d)δ8.67(d,J=5.8Hz,2H),7.99(d,J=5.5Hz,2H),4.53(d,J=5.4Hz,1H),3.73(d,J=5.5Hz,1H),3.62(t,J=6.1Hz,2H),2.73(s,3H),2.57(t,J=7.4Hz,2H),2.09(h,J=7.1,6.6Hz,2H).13C NMR(100MHz,Chloroform-d)δ164.2,161.7,140.8,130.6,90.0,43.6,29.1,28.4,22.6.19F NMR(376MHz,Chloroform-d)δ-78.92.IR(KBr,cm-1):3116,1666,1624,1496,1350,1192,1138,1056,786,740,617,570,513.HRMS(ESI+)m/z:[M]+calcd for C11H15ClNO+:212.0837;found:212.0847.
1-((6-Chlorohex-1-en-2-yl)oxy)-4-methylpyridin-1-iumbis((trifluoromethyl)sulfonyl)amide(2g)
Figure BDA0003900752550000111
柱层析纯化后的黄色粘稠液体(CH2Cl2/MeOH=100/1);993.3mg,98%产率。1H NMR(400MHz,Chloroform-d)δ8.66(d,J=5.8Hz,2H),8.01(d,J=5.8Hz,2H),4.50(dd,J=5.5,0.9Hz,1H),3.71(d,J=5.5Hz,1H),3.57(t,J=6.1Hz,2H),2.73(s,3H),2.42(t,J=7.3Hz,2H),1.87-1.71(m,4H).13C NMR(101MHz,Chloroform-d)δ165.0,161.5,140.7,130.4,121.2,118.1,88.9,44.4,31.3,30.1,23.5,22.3.19F NMR(376MHz,Chloroform-d)δ-78.89.IR(KBr,cm-1):3116,2877,1666,1624,1496,1458,1350,1192,1138,1056,852,786,740,617,570,513.HRMS(ESI+)m/z:[M]+calcd for C12H17ClNO+:226.0993;found:226.1003.
1-((6-Cyanohex-1-en-2-yl)oxy)-4-methylpyridin-1-iumbis((trifluoromethyl)sulfonyl)amide(2h)
Figure BDA0003900752550000112
柱层析纯化后的黄色粘稠液体(CH2Cl2/MeOH=100/1);918.5mg,95%产率。1H NMR(400MHz,Methanol-d4)δ9.08(d,J=7.3Hz,2H),8.08(d,J=4.6Hz,2H),4.82(s,2H),4.63(d,J=5.5Hz,1H),3.86(d,J=5.5Hz,1H),3.37-3.20(1H),2.67-2.49(4H),2.13-1.96(m,2H).13C NMR(100MHz,Methanol-d4)δ165.2,163.3,142.5,131.3,122.8,120.7,119.6,89.9,31.2,23.7,22.3,16.6.19F NMR(376MHz,Methanol-d4)δ-78.98.IR(KBr,cm-1):3116,2947,1666,1624,1496,1458,1350,1192,1138,1056,867,786,740,651,617,570,513.HRMS(ESI+)m/z:[M]+calcd for C12H15N2O+:203.1179;found:203.1180.
4-Methyl-1-((4-phenylbut-1-en-2-yl)oxy)pyridin-1-iumbis((trifluoromethyl)sulfonyl)amide(2i)
Figure BDA0003900752550000121
柱层析纯化后的黄色粘稠液体(CH2Cl2/MeOH=100/1);1019.4mg,98%产率。1HNMR(400MHz,Chloroform-d)δ8.54-8.39(m,2H),8.05-7.91(m,2H),7.40-7.28(m,2H),7.26(td,J=5.2,2.8Hz,3H),4.50(d,J=5.5Hz,1H),3.69(d,J=5.5Hz,1H),2.97(p,J=7.5Hz,2H),2.78-2.63(m,1H),2.72(s,4H).13C NMR(100MHz,Chloroform-d)δ164.6,161.5,140.6,139.5,130.4,128.6,128.5,126.6,121.3,118.1,89.3,32.8,32.4,22.3.19F NMR(376MHz,Chloroform-d)δ-78.79.IR(KBr,cm-1):3113,1666,1624,1496,1454,1350,1192,1056,786,740,702,651,617,570,513.HRMS(ESI+)m/z:[M]+calcd for C16H18NO+:240.1383;found:240.1387.
1-((6-(Benzyloxy)-6-oxohex-1-en-2-yl)oxy)-4-methylpyridin-1-iumbis((trifluoromethyl)sulfonyl)amide(2j)
Figure BDA0003900752550000122
柱层析纯化后的黄色粘稠液体(CH2Cl2/MeOH=100/1);1125.2mg,95%产率。1HNMR(400MHz,Chloroform-d)δ8.70-8.64(m,2H),8.00(d,J=6.6Hz,2H),7.36-7.24(m,3H),5.07(s,2H),4.48(d,J=5.5Hz,1H),3.70(d,J=5.5Hz,1H),2.75(s,3H),2.46(dt,J=17.5,7.2Hz,5H),1.99(p,J=7.3Hz,2H).13C NMR(100MHz,Chloroform-d)δ172.8,164.4,161.6,140.7,134.3,134.1,130.5,129.6,128.7,121.3,118.1,89.3,65.6,32.8,30.6,22.5,21.3.19F NMR(376MHz,Chloroform-d)δ-78.83.IR(KBr,cm-1):3113,2951,1732,1666,1624,1496,1458,1350,1192,1138,1056,887,848,786,740,698,651,617,570,513.HRMS(ESI+)m/z:[M]+calcd for C19H22NO3 +:312.1594;found:312.1592.
1-((6-((4-Chlorobenzyl)oxy)-6-oxohex-1-en-2-yl)oxy)-4-methylpyridin-1-iumbis((trifluoromethyl)sulfonyl)amide(2k)
Figure BDA0003900752550000131
柱层析纯化后的黄色粘稠液体(CH2Cl2/MeOH=100/1);1191.1mg,95%产率。1HNMR(400MHz,Chloroform-d)δ8.67-8.53(m,2H),7.99-7.88(m,2H),7.28(s,2H),7.35-7.19(m,2H),5.06(s,2H),4.40(d,J=5.5Hz,1H),3.60(d,J=5.5Hz,1H),2.66(s,3H),2.52-2.26(m,5H),1.94(h,J=7.4Hz,2H).13C NMR(100MHz,Chloroform-d)δ172.8,164.4,161.6,140.7,134.3,134.1,130.5,129.6,128.7,89.3,65.6,32.8,30.6,22.5,21.3.19F NMR(376MHz,Chloroform-d)δ-78.83.IR(KBr,cm-1):3113,2947,1723,1666,1624,1492,1458,1350,1188,1056,740,617,570,513.HRMS(ESI+)m/z:[M]+calcd for C19H21ClNO3 +:346.1204;found:346.1199.
4-Methyl-1-((6-((4-methylbenzyl)oxy)-6-oxohex-1-en-2-yl)oxy)pyridin-1-iumbis((trifluoromethyl)sulfonyl)amide(2l)
Figure BDA0003900752550000132
柱层析纯化后的黄色粘稠液体(CH2Cl2/MeOH=100/1);1164.7mg,96%产率。1HNMR(400MHz,Chloroform-d)δ8.73-8.60(m,2H),8.06-7.92(m,2H),7.31-7.17(m,2H),7.17-7.10(m,2H),7.06(dd,J=8.3,5.9Hz,0H),5.07(s,3H),4.46(d,J=5.5Hz,1H),3.67(d,J=5.5Hz,1H),2.74(s,3H),2.45(dt,J=13.3,7.2Hz,4H),2.32(s,3H),1.98(p,J=7.2Hz,2H).13C NMR(100MHz,Chloroform-d)δ172.9,164.4,161.5,140.7,138.2,132.7,130.5,129.2,128.3,121.3,118.1,89.2,66.4,32.9,30.5,22.4,21.3,21.1.19F NMR(376MHz,Chloroform-d)δ-78.83.IR(KBr,cm-1):3113,2951,1732,1666,1624,1496,1458,1354,1192,1138,1056,844,810,740,617,570,513.HRMS(ESI+)m/z:[M]+calcd forC20H24NO3 +:326.1751;found:326.1747.
1-((6-(Benzyloxy)hex-1-en-2-yl)oxy)-4-methylpyridin-1-iumbis((trifluoromethyl)sulfonyl)amide(2m)
Figure BDA0003900752550000141
柱层析纯化后的黄色粘稠液体(CH2Cl2/MeOH=100/1);1110.7mg,96%产率。1HNMR(400MHz,Chloroform-d)δ8.60(d,J=7.3Hz,2H),7.93(d,J=7.3Hz,2H),7.33-7.19(m,4H),4.46(d,J=5.5Hz,1H),4.43(s,2H),3.67(d,J=5.5Hz,1H),3.50(t,J=5.7Hz,2H),2.69(s,3H),2.38(t,J=7.1Hz,2H),1.81-1.56(m,4H).13C NMR(100MHz,Chloroform-d)δ165.4,161.4,140.6,137.0,133.2,130.4,129.1,128.4,121.3,118.1,88.9,72.1,69.8,53.4,30.7,28.6,23.1,22.3.19F NMR(376MHz,Chloroform-d)δ-78.83.IR(KBr,cm-1):3116,2939,2866,1666,1624,1492,1458,1350,1195,1138,1056,848,813,740,651,617,570,513.HRMS(ESI+)m/z:[M]+calcd for C19H24NO2 +:298.1802;found:298.1804.
1-((6-((4-Chlorobenzyl)oxy)hex-1-en-2-y1)oxy)-4-methylpyridin-1-iumbis((trifluoromethyl)sulfonyl)amide(2n)
Figure BDA0003900752550000142
柱层析纯化后的黄色粘稠液体(CH2Cl2/MeOH=100/1);1176.9mg,96%产率。1HNMR(400MHz,Chloroform-d)δ8.61-8.51(m,2H),7.87(d,J=6.7Hz,2H),7.31(s,2H),7.31-7.30(s,2H),4.45(d,J=10.0Hz,3H),3.67(d,J=5.4Hz,1H),3.52(t,J=5.7Hz,2H),2.66(s,3H),2.37(t,J=7.1Hz,2H),1.79-1.66(m,4H).13C NMR(100MHz,Chloroform-d)δ165.4,161.4,140.7,136.9,133.2,130.4,129.1,128.5,121.3,118.1,89.0,72.2,69.8,30.7,28.6,23.1,22.4.19F NMR(376MHz,Chloroform-d)δ-78.79.IR(KBr,cm-1):3113,2939,2866,1666,1624,1496,1458,1354,1195,1138,1056,852,786,740,651,617,570,513.HRMS(ESI+)m/z:[M]+calcd for C19H23ClNO2 +:332.1412;found:332.1416.
4-Methyl-1-((6-((4-methylbenzyl)oxy)hex-1-en-2-yl)oxy)pyridin-1-iumbis((trifluoromethyl)sulfonyl)amide(2o)
Figure BDA0003900752550000151
柱层析纯化后的黄色粘稠液体(CH2Cl2/MeOH=100/1);1137.8mg,96%产率。1HNMR(400MHz,Chloroform-d)δ8.60(d,J=6.9Hz,2H),7.89(d,J=6.9Hz,2H),7.23(d,J=7.8Hz,2H),7.14(d,J=7.8Hz,2H),4.50(d,J=5.0Hz,1H),4.45(s,2H),3.77-3.71(1H),3.53(t,J=5.7Hz,2H),2.71(s,3H),2.40(t,J=7.1Hz,2H),2.33(s,3H),1.86-1.60(m,4H).13C NMR(100MHz,Chloroform-d)δ165.3,161.3,140.6,137.3,135.2,130.3,129.0,127.9,121.3,118.1,89.0,72.8,69.5,30.7,28.5,23.0,22.2,21.0.19F NMR(376MHz,Chloroform-d)δ-78.83.IR(KBr,cm-1):3113,2935,2866,1666,1624,1496,1458,1354,1195,1138,1056,848,806,786,740,651,617,570,513.HRMS(ESI+)m/z:[M]+calcd forC20H26NO2 +:312.1958;found:312.1956.
1-((6-(((3S,8S,9S,10R,13R,14S,17R)-17-((2S,5R)-5-Ethyl-6-methylheptan-2-yl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl)oxy)-6-oxohex-1-en-2-yl)oxy)-4-methylpyridin-1-iumbis((trifluoromethyl)sulfonyl)amide(2ah)
Figure BDA0003900752550000152
柱层析纯化后的黄色粘稠液体(CH2Cl2/MeOH=100/1);1.7g,92%产率。1H NMR(400MHz,Chloroform-d)δ8.71(d,J=6.9Hz,2H),8.03(d,J=6.9Hz,2H),5.29(s,1H),4.59(t,J=5.0Hz,1H),4.50(d,J=5.5Hz,1H),3.73(d,J=5.5Hz,1H),2.75(s,3H),2.42(dt,J=18.0,7.3Hz,4H),2.29(d,J=6.4Hz,2H),2.04-1.90(m,4H),1.89-1.76(m,3H),1.72-1.39(m,7H),1.37-1.03(m,12H),1.00(s,4H),0.91(d,J=6.9Hz,4H),0.86-0.73(m,10H),0.65(d,J=12.8Hz,3H).13C NMR(100MHz,Chloroform-d)δ172.4,164.6,161.6,140.8,139.5,130.5,122.7,121.3,118.1,89.2,74.2,56.6,55.9,53.4,49.9,45.7,42.2,39.6,38.0,36.9,36.5,36.1,35.4,33.8,33.2,31.8,31.7,30.5,29.0,28.2,27.7,25.9,24.2,22.9,22.4,21.5,20.9,19.8,19.2,18.9,18.7,11.9,11.8.IR(KBr,cm-1):3116,2939,1728,1666,1624,1456,1350,1138,1056,844,790,740,617,570,513.HRMS(ESI+)m/z:[M]+calcdfor C41H64NO3 +:618.4881;found:618.4884.
4-Methyl-1-((6-oxo-6-(((4S,5′R,6aS,8aS,8bR,9S,10R,11aS,12aS,12bR)-5′,6a,8a,9-tetramethyl-2a,3,3′,4,4′,5,5′,6,6a,6b,6′,7,8,8a,8b,9,11a,12,12a,12b-icosahydrospiro[naphtho[2′,1′:4,5]indeno[2,1-b]furan-10,2′-pyran]-4-yl)oxy)hex-1-en-2-yl)oxy)pyridin-1-ium bis((trifluoromethyl)sulfonyl)amide(2ai)
Figure BDA0003900752550000161
柱层析纯化后的黄色粘稠液体(CH2Cl2/MeOH=100/1);1.6g,90%产率。1H NMR(400MHz,Chloroform-d)δ8.71(d,J=6.9Hz,2H),8.03(d,J=6.4Hz,2H),5.40-5.31(m,1H),4.65-4.53(m,1H),4.53-4.48(m,1H),4.45-4.33(m,1H),3.73(d,J=5.5Hz,1H),3.46(dd,J=10.5,3.2Hz,1H),3.35(t,J=10.7Hz,1H),2.75(s,3H),2.42(dt,J=18.6,7.2Hz,4H),2.29(d,J=7.8Hz,2H),1.96(td,J=14.4,6.7Hz,4H),1.90-1.68(m,6H),1.68-1.51(m,7H),1.51-1.35(m,3H),1.33-1.22(m,1H),1.21-1.04(m,3H),1.02(s,3H),0.95(d,J=6.9Hz,3H),0.77(d,J=5.5Hz,6H).13C NMR(100MHz,Chloroform-d)δ172.4,164.6,161.6,140.8,139.6,130.5,122.4,121.3,118.1,109.2,89.3,80.7,74.2,66.8,61.9,56.4,53.4,49.8,41.5,40.2,39.6,37.9,36.8,36.7,33.2,31.9,31.8,31.3,30.5,30.2,28.7,27.6,22.4,21.5,20.7,19.2,17.1,16.2,14.5.IR(KBr,cm-1):2943,2900,1732,1666,1624,1496,1454,1350,1192,1380,1056,790,736,617,570,513.HRMS(ESI+)m/z:[M]+calcd forC39H56NO5 +:618.4153;found:618.4159.
1-((6-Oxo-6-(((3R,4S,5R,6R)-3,4,5-Tris(benzyloxy)-6-((benzyloxy)methyl)tetrahydro-2H-pyran-2-yl)oxy)hex-1-en-2-yl)oxy)pyridin-1-iumbis((trifluoromethyl)sulfonyl)amide(2aj)
Figure BDA0003900752550000171
柱层析纯化后的透明粘性液体(CH2Cl2/MeOH=100/1);1.4g,70%产率。1H NMR(400MHz,Chloroform-d)δ8.57(dd,J=18.1,5.3Hz,2H),7.90(dd,J=29.7,6.9Hz,2H),7.35-7.26(m,20H),7.20-7.08(m,4H),6.42-5.56(m,1H),4.97-4.86(m,1H),4.82(dq,J=11.0,3.0Hz,2H),4.67(d,J=4.6Hz,1H),4.56(dd,J=12.1,3.4Hz,2H),4.51-4.42(m,2H),3.78-3.68(m,4H),2.71(d,J=5.5Hz,3H),2.58-2.30(4H),2.08-1.87(m,2H).13C NMR(100MHz,Chloroform-d)δ171.6,164.3,161.5,140.6,138.4,138.1,138.0,137.8,137.7,137.6,137.5,130.4,130.4,128.4,128.0,127.9,127.86,127.89,127.7,127.6,121.3,118.1,94.1,90.2,89.5,89.4,84.7,81.5,80.9,78.8,75.6,75.5,75.4,75.2,74.9,73.5,73.4,73.3,73.0,68.2,53.4,32.7,30.2,22.4,21.3,21.0.IR(KBr,cm-1):3477,2360,1643,1625,1496,1452,1350,1118,1134,1055,738,698,611,569,513.HRMS(ESI+)m/z:[M]+calcdfor C46H50NO8 +:744.3531;found:744.3533.
1-((6-(((2R,3R,4R,5R)-2,4-Bis(benzoyloxy)-5-((benzoyloxy)methyl)tetrahydrofuran-3-yl)oxy)-6-oxohex-1-en-2-yl)oxy)pyridin-1-iumbis((trifluoromethyl)sulfonyl)amide(2ak)
Figure BDA0003900752550000172
柱层析纯化后的黄色粘稠液体(CH2Cl2/MeOH=100/1);1.9g,98%产率。1H NMR(400MHz,Chloroform-d)δ8.59(d,J=6.9Hz,2H),8.10-8.03(m,6H),7.97(d,J=6.6Hz,2H),7.64-7.55(m,3H),7.51-7.37(m,6H),6.85-6.76(1H),5.83-5.72(m,1H),5.58-5.50(m,1H),4.92-4.80(m,1H),4.70(dd,J=12.3,3.2Hz,1H),4.61(td,J=8.1,4.1Hz,1H),4.32(d,J=5.5Hz,1H),3.67(d,J=5.5Hz,1H),2.75(s,3H),2.41-2.27(m,4H),1.92-1.78(m,2H).13C NMR(100MHz,Chloroform-d)δ171.5,166.1,165.7,165.2,164.2,161.6,140.6,133.9,133.8,133.5,130.4,129.8,129.7,129.7,128.7,128.6,128.5,121.3,118.1,94.7,89.4,82.7,70.9,70.5,63.9,32.2,30.1,22.4,20.9.IR(KBr,cm-1):3103,2362,2337,1718,1450,1350,1267,1195,1138,1056,711,615,570,518.HRMS(ESI+)m/z:[M]+calcd forC38H36NO10 +:666.2334;found:666.2330.
1-((6-(((3aS,4R,6R,6aS)-6-((R)-2,2-Dimethyl-1,3-dioxolan-4-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)oxy)-6-oxohex-1-en-2-yl)oxy)pyridin-1-iumbis((trifluoromethyl)sulfonyl)amide(2al)
Figure BDA0003900752550000181
柱层析纯化后的黄色粘稠液体(CH2Cl2/MeOH=100/1);1.5g,98%产率。1H NMR(400MHz,Chloroform-d)δ8.74(d,J=6.9Hz,2H),8.01(d,J=6.9Hz,2H),6.14-6.07(m,1H),4.85(dd,J=9.1,5.5Hz,1H),4.69(d,J=5.9Hz,1H),4.52(d,J=5.5Hz,1H),4.45-4.30(m,2H),4.07-3.93(m,4H),3.74(d,J=5.5Hz,1H),2.75(s,3H),2.52-2.30(m,4H),1.97(t,J=7.3Hz,2H),1.52-1.39(d,J=9.6Hz,6H),1.33(d,J=9.6Hz,6H).13C NMR(100MHz,Chloroform-d)δ207.7,204.9,171.6,145.2,140.7,130.4,126.9,125.7,121.2,117.9,113.1,109.2,100.6,89.8,82.1,79.1,72.7,66.6,44.0,41.8,41.1,32.8,26.8,25.8,24.9,24.4,18.3.IR(KBr,cm-1):2993,2947,2360,2337,1739,1350,1190,1058,962,837,615,570,513.HRMS(ESI+)m/z:[M]+calcd for C24H30NO8 +:464.2279;found:464.2282.
3,5-Dimethyl-1-((5-phenylpent-1-en-2-yl)oxy)pyridin-1-iumbis((trifluoromethyl)sulfonyl)amide
Figure BDA0003900752550000191
柱层析纯化后的黄色粘稠液体(CH2Cl2/MeOH=100/1);818.8mg,75%产率。1H NMR(400MHz,Chloroform-d)δ8.31-8.26(s,2H),8.22-8.17(s,1H),7.30(t,J=7.5Hz,2H),7.24-7.18(m,3H),4.49(d,J=5.5Hz,1H),3.74(d,J=5.5Hz,1H),2.72(t,J=7.3Hz,2H),2.58(s,6H),2.41(t,J=7.8Hz,2H),2.04-1.91(m,2H)13C NMR(100MHz,Chloroform-d)δ165.2,148.2,141.3,141.1,138.1,128.6,128.5,126.1,121.3,118.1,89.0,34.9,30.5,27.8,18.4.IR(KBr,cm-1):3116,2939,1728,1666,1624,1462,1350,1192,1138,1056,910,844,790,736,617,570,513.HRMS(ESI+)m/z:[M]+calcd for C18H22NO+:268.1696;found:268.1694.
4-Methoxy-1-((5-phenylpent-l-en-2-yl)oxy)pyridin-1-iumbis((trifluoromethyl)sulfonyl)amide
Figure BDA0003900752550000192
柱层析纯化后的透明粘性液体(CH2Cl2/MeOH=100/1);1.1g,99%产率。1H NMR(400MHz,Chloroform-d)δ8.46(d,J=7.8Hz,2H),7.54(d,J=7.8Hz,2H),7.36-7.27(m,2H),7.21(t,J=7.8Hz,3H),4.45(d,J=5.5Hz,1H),4.17(s,3H),3.71(d,J=5.5Hz,1H),2.72(t,J=7.3Hz,2H),2.38(t,J=7.5Hz,2H),2.07-1.84(m,2H).13C NMR(100MHz,Chloroform-d)δ171.5,165.1,142.9,141.0,128.5,126.1,121.3,118.1,114.7,88.3,58.9,34.8,30.4,27.9.IR(KBr,cm-1):3128,3026,2939,1627,1512,1354,1195,1138,1056,852,740,702,617,570,513.HRMS(ESI+)m/z:[M]+calcd for C17H20NO2 +:270.1489;found:270.1488.
4-Chloro-1-((5-phenylpent-1-en-2-yl)oxy)pyridin-1-iumbis((trifluoromethyl)sulfonyl)amide
Figure BDA0003900752550000193
柱层析纯化后的透明粘性液体(CH2Cl2/MeOH=100/1);9211.3mg,83%产率。1HNMR(400MHz,Chloroform-d)δ8.70(d,J=7.3Hz,2H),8.14(d,J=6.9Hz,2H),7.30(t,J=7.3Hz,2H),7.21(dd,J=10.5,7.8Hz,3H),4.57(d,J=5.5Hz,1H),3.81(d,J=5.9Hz,1H),2.73(t,J=7.3Hz,2H),2.42(t,J=7.5Hz,2H),2.03-1.92(m,2H).13C NMR(100MHz,Chloroform-d)δ165.6,155.6,142.8,141.0,130.5,128.6,128.6,126.2,121.3,118.1,89.9,34.8,30.4,27.7.IR(KBr,cm-1):3109,3028,2931,1612,1473,1350,1195,1138,1056,852,740,702,617,570,513.HRMS(ESI+)m/z:[M]+calcd for C16H17NO+:274.0993;found:274.1001.
2-Methyl-1-((5-phenylpent-1-en-2-yl)oxy)pyridin-1-iumbis((trifluoromethyl)sulfonyl)amide
Figure BDA0003900752550000201
柱层析纯化后的黄色粘稠液体(CH2Cl2/MeOH=100/1);930.0mg,87%产率。1H NMR(400MHz,Chloroform-d)δ8.60(d,J=6.4Hz,1H),8.48(t,J=7.8Hz,1H),8.17-8.07(1H),8.03(t,J=7.1Hz,1H),7.31(t,J=7.5Hz,2H),7.21(t,J=8.0Hz,3H),4.49(d,J=5.5Hz,1H),3.61-3.50(d,J=5.5Hz,1H),2.79-2.71(m,5H),2.46(t,J=7.8Hz,2H),2.07-1.94(m,2H).13C NMR(100MHz,Chloroform-d)δ163.5,153.6,146.3,141.9,140.8,131.4,128.5,128.4,127.7,126.2,121.3,118.1,87.9,53.4,34.9,30.4,28.0,17.1.IR(KBr,cm-1):3066,2920,1666,1616,1496,1458,1350,1195,1138,1056,786,740,702,613,570,513.HRMS(ESI+)m/z:[M]+calcd for C17H20NO2 +:254.1539;found:254.1540.
3、1,4-醛酮化合物的合成
如下1,4-醛酮化合物的合成路线可以参阅下式:
Figure BDA0003900752550000202
具体合成方法包括:将不同种类的脂肪醛和烯氧基吡啶鎓盐溶于有机溶剂(以1,2-二氯乙烷为例)中,搅拌均匀后加入二级胺(以Et2NH为例,1equiv)中,且使脂肪醛、烯氧基吡啶鎓盐、二级胺的摩尔比为0.8-1∶1-0.8∶1∶0.8,室温下反应0.5h左右。反应过程中以石油醚∶乙酸乙酯=5∶1进行监测,得到Rf=0.43的产物点。反应结束后,溶剂在真空中干燥,在硅胶柱中用石油醚∶乙酸乙酯=20∶1提纯,得到纯产物。
具体的,一些化合物的合成方法如下:
化合物3a的合成反应式如下:
Figure BDA0003900752550000211
具体实验过程如下:
取10ml反应瓶,将化合物1a(0.2mmol,0.0268g)和化合物2a(0.2mmol,0.106g)溶于1,2-二氯乙烷中,搅拌均匀后加入Et2NH(1eq,0.2mmol,0.0144g)中,室温反应30分钟。反应过程中采用PE∶EA=5∶1进行监测,得到一个Rf=0.43的产物点。待反应结束后,将溶剂真空干燥,在400目硅胶柱上用PE∶EA=20∶1进行纯化,得到纯化产物3a(0.0435g),产率为74.0%。该产物2-benzyl_4-oxo-7-phenylheptanal(3a)的核磁数据如下:1H NMR(400MHz,Chloroform-d)δ9.77(s,1H),7.33-7.17(m,6H),7.14(d,J=7.7Hz,5H),3.21(tt,J=8.1,4.7Hz,1H),3.07(dd,J=13.8,6.4Hz,1H),2.76(dd,J=18.0,8.0Hz,1H),2.68(dd,J=13.9,8.5Hz,1H),2.58(t,J=7.5Hz,2H),2.50-2.27(m,3H),1.87(pd,J=7.2,3.1Hz,2H).13C NMR(100MHz,Chloroform-d)δ208.4,202.8,141.4,138.0,128.9,128.7,128.4,128.4,126.7,125.9,48.3,41.9,40.9,34.9,34.5,25.0.IR(KBr,cm-1):3056,3021,2930,2856,1713,1598,1493,1444,1410,1375,1186,1092,1026,750,697.HRMS(ESI+)m/z:[M+H]+calcd for C20H23O2 +:295.1693;found:295.1712。
化合物3ab的合成反应式如下:
Figure BDA0003900752550000212
具体实验过程如下:
取10ml反应瓶,将化合物1a(0.2mmol,0.0268g)和化合物2b(0.2mmol,0.104g)溶于1,2-二氯乙烷中,搅拌均匀后加入Et2NH(1eq,0.2mmol,0.0144g)中,室温反应30分钟。反应过程中采用PE∶EA=5∶1进行监测,等待反应结束后,将溶剂真空干燥,在400目硅胶柱上用PE∶EA=20∶1进行纯化,得到纯化产物3ab(0.0428g),产率为76.5%。该产物2-benzyl-4-oxo-6-phenylhexanal(3ab)的核磁数据如下:1H NMR(400MHz,Chloroform-d)δ9.79(s,1H),7.45-6.96(m,5H),3.22(tdd,J=8.1,6.4,4.6Hz,1H),3.08(dd,J=13.9,6.4Hz,1H),2.87-2.63(m,2H),2.52-2.28(m,3H),1.59-1.40(m,2H),1.38-1.19(m,2H),0.88(t,J=7.4Hz,3H).13C NMR(100MHz,Chloroform-d)δ207.8,202.8,140.8,137.9,129.0,128.7,128.5,128.3,126.7,126.1,48.3,44.3,41.0,34.4,29.6.IR(KBr,cm-1):3024,1717,1490,1437,1399,1357,1095,1078,734,697.HRMS(ESI+)m/z:[M+H]+calcd for C19H21O2 +:281.1536;found:281.1546。
化合物3ac的合成反应式如下:
Figure BDA0003900752550000221
具体实验过程如下:
取10ml反应瓶,将化合物1a(0.2mmol,0.0268g)和化合物2c(0.2mmol,0.0984g)溶于1,2-二氯乙烷中,搅拌均匀后加入Et2NH(1eq,0.2mmol,0.0144g)中,室温反应30分钟。反应过程中采用PE∶EA=5∶1进行监测,等待反应结束后,将溶剂真空干燥,在400目硅胶柱上用PE∶EA=20∶1进行纯化,得到纯化产物3ac(0.0374g),产率为74.1%。该产物2-benzyl-8-chloro-4-oxooctanal(3ac)的核磁数据如下:1H NMR(400MHz,Chloroform-d)δ9.77(s,1H),7.30(td,J=7.1,6.1,1.4Hz,2H),7.26-7.17(m,1H),7.15(dd,J=7.2,1.6Hz,2H),3.52(t,J=6.3Hz,2H),3.22(tdd,J=8.3,6.2,4.6Hz,1H),3.09(dd,J=13.9,6.3Hz,1H),2.79(dd,J=17.9,8.1Hz,1H),2.69(dd,J=13.9,8.7Hz,1H),2.57(qt,J=17.8,6.9Hz,2H),2.40(dd,J=17.9,4.6Hz,1H),2.07-1.91(m,2H).13C NMR(100MHz,Chloroform-d)δ208.1,202.8,137.9,128.9,128.7,126.8,48.4,44.6,41.8,40.7,34.5,31.7,20.8.IR(KBr,cm-1):2921,2854,1713,1496,1447,1415,1373,1093,1023,744,705.HRMS(ESI+)m/z:[M+Na]+calcd for C14H17ClO2Na+:275.0809;found:275.0825.
化合物3ad的合成反应式如下:
Figure BDA0003900752550000231
具体实验过程如下:
取10ml反应瓶,将化合物1a(0.2mmol,0.0268g)和化合物2d(0.2mmol,0.094g)溶于1,2-二氯乙烷中,搅拌均匀后加入Et2NH(1eq,0.2mmol,0.0144g)中,室温反应30分钟。反应过程中采用PE∶EA=5∶1进行监测,等待反应结束后,将溶剂真空干燥,在400目硅胶柱上用PE∶EA=20∶1进行纯化,得到纯化产物3ad(0.0318g),产率为68.5%。该产物2_benzyl-4-oxooctanal(3ad)的核磁数据如下:1H NMR(400MHz,Chloroform-d)δ9.79(s,1H),7.36-7.20(m,3H),7.19-7.11(m,2H),3.22(tdd,J=8.1,6.4,4.6Hz,1H),3.08(dd,J=13.9,6.4Hz,1H),2.87-2.63(m,2H),2.52-2.28(m,3H),1.59-1.40(m,2H),1.38-1.19(m,2H),0.88(t,J=7.4Hz,3H).13C NMR(100MHz,Chloroform-d)δ208.9,202.9,138.0,129.0,128.7,128.5,126.7,48.2,42.6,40.8,34.5,25.8,22.2,13.8.IR(KBr,cm-1):2956,2924,2861,1713,1454,1366,744,702.HRMS(ESI+)m/z:[M+Na]+calcd for C15H20O2Na+:255.1356;found:255.1359.
化合物3ae的合成反应式如下:
Figure BDA0003900752550000232
具体实验过程如下:
取10ml反应瓶,将化合物1a(0.2mmol,0.0268g)和化合物2e(0.2mmol,0.0966g)溶于1,2-二氯乙烷中,搅拌均匀后加入Et2NH(1eq,0.2mmol,0.0144g)中,室温反应30分钟。反应过程中采用DCM∶EA=10∶1进行监测,等待反应结束后,将溶剂真空干燥,在400目硅胶柱上用DCM∶EA=50∶1进行纯化,得到纯化产物3ae(0.0415g),产率为85.2%。该产物8-benzyl-6,9-dioxononanenitrile(3ae)的核磁数据如下:1H NMR(400MHz,Chloroform-d)δ9.76(s,1H),7.31(tt,J=6.8,1.2Hz,2H),7.27-7.21(m,1H),7.17-7.13(m,2H),4.16-4.06(m,1H),3.31-3.19(m,1H),3.11(dd,J=13.9,6.1Hz,1H),2.83-2.72(m,1H),2.75-2.58(m,1H),2.52(dt,J=18.2,6.9Hz,1H),2.48-2.28(m,1H),,1.88(h,J=7.2Hz,2H),1.25(td,J=7.2,0.9Hz,2H).13C NMR(100MHz,Chloroform-d)δ207.0,202.5,137.7,128.9,128.8,126.9,119.2,77.3,77.2,77.0,76.7,48.7,40.7,40.5,34.4,19.2,16.4.IR(KBr,cm-1):2933,2849,2241,1713,1490,1451,1413,1371,1095,753,701.HRMS(ESI+)m/z:[M+Na]+calcd for C15H17NO2Na+:266.1151;found:266.1138.
化合物3aef的合成反应式如下:
Figure BDA0003900752550000241
具体实验过程如下:
取10ml反应瓶,将化合物1a(0.2mmol,0.0268g)和化合物2f(0.2mmol,0.103g)溶于1,2-二氯乙烷中,搅拌均匀后加入Et2NH(1eq,0.2mmol,0.0144g)中,室温反应30分钟。反应过程中采用PE∶EA=5∶1进行监测,等待反应结束后,将溶剂真空干燥,在400目硅胶柱上用PE∶EA=20∶1进行纯化,得到纯化产物3af(0.0383g),产率为69.4%。该产物methyl 7-benzyl-5,8-dioxooctanoate(3af)的核磁数据如下:1H NMR(400MHz,Chloroform-d)δ9.77(s,1H),7.37-7.20(m,3H),7.18-7.09(m,2H),3.65(s,2H),3.28-3.17(m,1H),3.09(dd,J=13.9,6.3Hz,1H),2.83-2.62(m,2H),2.58-2.35(m,3H),2.30(t,J=7.3Hz,2H),1.94-1.75(m,2H).13C NMR(100MHz,Chloroform-d)δ207.9,202.8,173.6,137.9,129.0,128.7,126.8,51.5,48.4,41.6,40.8,34.5,32.8,18.7.IR(KBr,cm-1):2954,2924,1732,1422,1172,748,702.HRMS(ESI+)m/z:[M+Na]+calcd for C16H20O4Na+:299.1254;found:299.1250.
化合物3ag的合成反应式如下:
Figure BDA0003900752550000242
具体实验过程如下:
取10ml反应瓶,将化合物1a(0.2mmol,0.0268g)和化合物2g(0.2mmol,0.116g)溶于1,2-二氯乙烷中,搅拌均匀后加入Et2NH(1eq,0.2mmol,0.0144g)中,室温反应30分钟。反应过程中采用PE∶EA=5∶1进行监测,等待反应结束后,将溶剂真空干燥,在400目硅胶柱上用PE∶EA=20∶1进行纯化,得到纯化产物3af(0.0444g),产率为65.7%。该产物methyl 2-benzyl-8-(benzyloxy)-4-oxooctanal(3af)的核磁数据如下:1H NMR(400MHz,Chloroform-d)δ9.78(s,1H),7.33(d,J=6.0Hz,4H),7.31-7.22(m,4H),7.22-7.08(m,2H),4.48(s,2H),3.45(t,J=6.0Hz,2H),3.27-3.14(m,1H),3.07(dd,J=13.9,6.4Hz,1H),2.87-2.56(m,2H),2.52-2.31(m,3H),1.62(dtt,J=15.6,9.3,3.4Hz,4H).13C NMR(100MHz,Chloroform-d)δ208.6,202.9,138.5,138.0,129.0,128.7,128.3,127.6,127.5,126.7,72.9,69.9,48.3,42.5,40.8,34.5,29.0,20.4.IR(KBr,cm-1):2930,2860,1717,1497,1455,1357,1102,739,679.HRMS(ESI+)m/z:[M+Na]+calcd for C22H26O3Na+:361.1774;found:361.1764.
化合物4aa(2-Benzyl-4-oxooctanal)的合成方法包括:将苯丙醛和烯氧基吡啶鎓盐溶于乙腈中,搅拌均匀后加入N-甲基苯基胺,且使苯丙醛、烯氧基吡啶鎓盐、N-甲基苯基胺的摩尔比为0.8∶1∶0.9左右,室温下反应0.5h左右。反应过程中以石油醚∶乙酸乙酯=5∶1进行监测。反应结束后,溶剂在真空中干燥,在硅胶柱中用石油醚∶乙酸乙酯=20∶1提纯,得到纯产物,其产率约69%。
Figure BDA0003900752550000251
产物表征数据如下:1H NMR(400MHz,Chloroform-d)δ9.79(s,1H),7.36-7.20(m,3H),7.19-7.11(m,2H),3.22(tdd,J=8.1,6.4,4.6Hz,1H),3.08(dd,J=13.9,6.4Hz,1H),2.87-2.63(m,2H),2.52-2.28(m,3H),1.59-1.40(m,2H),1.38-1.19(m,2H),0.88(t,J=7.4Hz,3H).13C NMR(100MHz,Chloroform-d)δ208.9,202.9,138.0,129.0,128.7,128.5,126.7,48.2,42.6,40.8,34.5,25.8,22.2,13.8.IR(KBr,cm-1):2956,2924,2861,1713,1454,1366,744,702.HRMS(ESI+)m/z:[M+Na]+calcd for C15H20O2Na+:255.1356;found:255.1359.
化合物4ab(2-Benzyl-4-oxodecanal)的合成方法包括:将苯丙醛和烯氧基吡啶鎓盐溶于乙腈中,搅拌均匀后加入吡咯,且使苯丙醛、烯氧基吡啶鎓盐、吡咯的摩尔比为1∶0.8∶1左右,室温下反应0.5h左右。反应过程中以石油醚∶乙酸乙酯=5∶1进行监测。反应结束后,溶剂在真空中干燥,在硅胶柱中用石油醚∶乙酸乙酯=20∶1提纯,得到纯产物,其产率约68%。
Figure BDA0003900752550000252
产物表征数据如下:1H NMR(400MHz,Chloroform-d)δ9.78(s,1H),7.33-7.23(m,2H),7.26-7.18(m,1H),7.18-7.11(m,2H),3.26-3.14(m,1H),3.07(dd,J=13.8,6.4Hz,1H),2.78(dd,J=18.0,7.9Hz,1H),2.68(dd,J=13.9,8.5Hz,1H),2.45-2.26(m,3H),1.57-1.45(m,2H),1.24(dtd,J=10.0,7.2,4.6Hz,6H),0.85(t,J=6.9Hz,3H).13C NMR(100MHz,Chloroform-d)δ203.0,138.0,129.0,128.7,126.7,48.2,42.9,40.8,34.5,31.5,28.7,23.6,22.4,14.0.IR(KBr,cm-1):2930,2856,1713,1497,1455,1410,1368,746,694.HRMS(ESI+)m/z:[M+Na]+calcd for C17H24O2Na+:283.1699;found:283.1695.
化合物4ac(2-Benzyl-4-oxoheptadecanal)可以依据以上合成条件,利用相应原料合成,其产率约55%。
Figure BDA0003900752550000261
产物表征数据如下:1H NMR(400MHz,Chloroform-d)δ9.70(s,1H),7.36-7.22(m,2H),7.25-7.10(m,3H),2.99-2.76(m,1H),2.62(p,J=7.0Hz,2H),2.54-2.33(m,2H),2.12(s,2H),1.99-1.83(m,2H),1.56(s,2H),1.44-1.17(m,10H),0.92-0.84(m,3H).13C NMR(100MHz,Chloroform-d)δ209.0,203.0,138.0,129.2-128.2(m),126.7,77.2,48.2,42.9,40.8,34.5,31.9,29.7-28.7(m),28.1,23.2(d,J=103.6Hz),14.1.IR(KBr,cm-1):2923,2856,1713,1451,1266,914,750,690.HRMS(ESI+)m/z:[M+H]+calcd for C25H41O2 +:373.3101;found:373.3126.
化合物4ad(Methyl-7-benzyl-5,8-dioxooctanoate)可以依据以上合成条件,利用相应原料合成,其产率约69%。
Figure BDA0003900752550000262
产物表征数据如下:1H NMR(400MHz,Chloroform-d)δ9.77(s,1H),7.37-7.20(m,3H),7.18-7.09(m,2H),3.65(s,2H),3.28-3.17(m,1H),3.09(dd,J=13.9,6.3Hz,1H),2.83-2.62(m,2H),2.58-2.35(m,3H),2.30(t,J=7.3Hz,2H),1.94一1.75(m,2H).13C NMR(100MHz,Chloroform-d)δ207.9,202.8,173.6,137.9,129.0,128.7,126.8,51.5,48.4,41.6,40.8,34.5,32.8,18.7.IR(KBr,cm-1):2954,2924,1732,1422,1172,748,702.HRMS(ESI+)m/z:[M+Na]+calcd for C16H20O4Na+:299.1254;found:299.1250.
化合物4ae(2-Benzyl-7-chloro-4-oxoheptanal)可以依据以上合成条件,利用相应原料合成,其产率约74%。
Figure BDA0003900752550000271
产物表征数据如下:1H NMR(400MHz,Chloroform-d)δ9.77(s,1H),7.30(td,J=7.1,6.1,1.4Hz,2H),7.26-7.17(m,1H),7.15(dd,J=7.2,1.6Hz,2H),3.52(t,J=6.3Hz,2H),3.22(tdd,J=8.3,6.2,4.6Hz,1H),3.09(dd,J=13.9,6.3Hz,1H),2.79(dd,J=17.9,8.1Hz,1H),2.69(dd,J=13.9,8.7Hz,1H),2.57(qt,J=17.8,6.9Hz,2H),2.40(dd,J=17.9,4.6Hz,1H),2.07-1.91(m,2H).13C NMR(100MHz,Chloroform-d)δ208.1,202.8,137.9,128.9,128.7,126.8,48.4,44.6,41.8,40.7,34.5,31.7,20.8.IR(KBr,cm-1):2921,2854,1713,1496,1447,1415,1373,1093,1023,744,705.HRMS(ESI+)m/z:[M+Na]+calcd forC14H17ClO2Na+:275.0809;found:275.0825.
化合物4af(2-Benzyl-8-chloro-4-oxooctanal)可以依据以上合成条件,利用相应原料合成,其产率约72%。
Figure BDA0003900752550000272
产物表征数据如下:1H NMR(400MHz,Chloroform-d)δ9.79(s,1H),7.39-7.27(m,2H),7.31-7.19(m,1H),7.16(dd,J=6.9,1.8Hz,2H),3.51(t,J=6.2Hz,2H),3.24(tdd,J=8.4,6.3,4.5Hz,1H),3.10(dd,J=13.9,6.3Hz,1H),2.89-2.60(m,2H),2.48(dd,J=17.5,7.4Hz,1H),2.45-2.30(m,2H),1.79-1.62(m,3H).13C NMR(100MHz,Chloroform-d)δ208.1,202.8,137.9,128.9,128.7,126.8,48.4,44.6,41.8,40.7,34.5,31.7,20.8.IR(KBr,cm-1):2930,2867,1720,1455,1410,1375,743,701.HRMS(ESI+)m/z:[M+Na]+calcd forC15H19CIO2Na+:289.0966;found:289.0956.
化合物4ag(8-Benzyl-6,9-dioxononanenitrile)可以依据以上合成条件,利用相应原料合成,其产率约72%。
Figure BDA0003900752550000273
产物表征数据如下:1H NMR(400MHz,Chloroform-d)δ9.76(s,1H),7.31(tt,J=6.8,1.2Hz,2H),7.27-7.21(m,1H),7.17-7.13(m,2H),4.16-4.06(m,1H),3.31-3.19(m,1H),3.11(dd,J=13.9,6.1Hz,1H),2.83-2.72(m,1H),2.75-2.58(m,1H),2.52(dt,J=18.2,6.9Hz,1H),2.48-2.28(m,1H),1.88(h,J=7.2Hz,2H),1.25(td,J=7.2,0.9Hz,2H).13C NMR(100MHz,Chloroform-d)δ207.0,202.5,137.7,128.9,128.8,126.9,119.2,77.3,77.2,77.0,76.7,48.7,40.7,40.5,34.4,19.2,16.4.IR(KBr,cm-1):2933,2849,2241,1713,1490,1451,1413,1371,1095,753,701.HRMS(ESI+)m/z:[M+Na]+calcd for C15H17NO2Na+:266.1151;found:266.1138.
化合物4ah(2-Benzyl-4-oxo-6-phenylhexanal)可以依据以上合成条件,利用相应原料合成,其产率约77%。
Figure BDA0003900752550000281
产物表征数据如下:1H NMR(400MHz,Chloroform-d)δ9.79(s,1H),7.45-6.96(m,5H),3.22(tdd,J=8.1,6.4,4.6Hz,1H),3.08(dd,J=13.9,6.4Hz,1H),2.87-2.63(m,2H),2.52-2.28(m,3H),1.59-1.40(m,2H),1.38-1.19(m,2H),0.88(t,J=7.4Hz,3H).13C NMR(100MHz,Chloroform-d)δ207.8,202.8,140.8,137.9,129.0,128.7,128.5,128.3,126.7,126.1,48.3,44.3,41.0,34.4,29.6.IR(KBr,cm-1):3024,1717,1490,1437,1399,1357,1095,1078,734,697.HRMS(ESI+)m/z:[M+H]+calcd for C19H21O2 +:281.1536;found:281.1546.
化合物4ai(Benzyl-7-benzyl-5,8-dioxooctanoate)可以依据以上合成条件,利用相应原料合成,其产率约65%。
Figure BDA0003900752550000282
产物表征数据如下:1H NMR(400MHz,Chloroform-d)δ9.77(s,1H),7.40-7.31(m,5H),7.31-7.18(m,3H),7.18-7.11(m,2H),5.10(s,2H),3.22(tdd,J=8.3,6.3,4.6Hz,1H),3.08(dd,J=13.9,6.4Hz,1H),2.82-2.61(m,2H),2.56-2.26(m,5H),1.97-1.79(m,2H).13CNMR(100MHz,Chloroform-d)δ207.8,202.7,172.9,137.9,135.9,128.9,128.7,128.5,128.4,128.2,128.2,126.7,66.2,48.3,41.5,40.8,34.5,33.1,18.7.IR(KBr,cm-1):3031,2944,2716,1727,1493,1455,1413,1382,1162,746,694.HRMS(ESI+)m/z:[M+Na]+calcd forC22H24O4Na+:375.1567;found:375.1559.
化合物4aj(4-Chlorobenzyl-7-benzyl-5,8-dioxooctanoate)可以依据以上合成条件,利用相应原料合成,其产率约67%。
Figure BDA0003900752550000291
产物表征数据如下:1H NMR(400MHz,Chloroform-d)δ9.77(s,1H),7.37-7.21(m,7H),7.19-7.11(m,2H),5.06(d,J=5.5Hz,2H),3.22(tdd,J=8.3,6.2,4.5Hz,1H),3.08(dd,J=13.9,6.3Hz,1H),2.86-2.62(m,2H),2.56-2.29(m,5H),1.98-1.76(m,2H).13C NMR(100MHz,Chloroform-d)δ207.8,202.7,172.8,137.8,134.4,134.1,129.6,128.9,128.7,126.8,65.3,48.4,41.5,40.8,34.4,33.0,18.6.IR(KBr,cm-1):2936,1734,1493,1455,1417,1371,1162,1085,1015806,743,697.HRMS(ESI+)m/z:[M+Na]+calcd for C22H23CIO4Na+:409.1177;found:409.1167.
化合物4ak(4-Methylbenzyl-7-benzyl-5,8-dioxooctanoate)可以依据以上合成条件,利用相应原料合成,其产率约66%。
Figure BDA0003900752550000292
产物表征数据如下:1H NMR(400MHz,Chloroform-d)δ9.77(s,1H),7.38-7.26(m,2H),7.30-7.19(m,3H),7.23-7.08(m,4H),5.06(s,2H),3.21(tdd,J=8.3,6.4,4.5Hz,1H),3.08(dd,J=13.9,6.4Hz,1H),2.83-2.70(m,1H),2.68(dd,J=13.9,8.6Hz,1H),2.53-2.37(m,3H),2.34(d,J=6.7Hz,5H),1.94-1.81(m,2H).13C NMR(100MHz,Chloroform-d)δ207.8,202.7,172.9,138.1,137.9,132.9,129.2,128.9,128.7,128.4,126.7,66.2,48.3,41.5,40.8,34.5,33.1,21.2,18.7.IR(KBr,cm-1):2937,1713,1514,1468,1462,1410,1368,1169,806,739,694.HRMS(ESI+)m/z:[M+Na]+calcd for C23H26O4Na+:389.1723;found:389.1715.
化合物4al(2-Benzyl-8-(benzyloxy)-4-oxooctanal)可以依据以上合成条件,利用相应原料合成,其产率约67%。
Figure BDA0003900752550000301
产物表征数据如下:1H NMR(400MHz,Chloroform-d)δ9.78(s,1H),7.33(d,J=6.0Hz,4H),7.31-7.22(m,4H),7.22-7.08(m,2H),4.48(s,2H),3.45(t,J=6.0Hz,2H),3.27-3.14(m,1H),3.07(dd,J=13.9,6.4Hz,1H),2.87-2.56(m,2H),2.52-2.31(m,3H),1.62(dtt,J=15.6,9.3,3.4Hz,4H).13C NMR(100MHz,Chloroform-d)δ208.6,202.9,138.5,138.0,129.0,128.7,128.3,127.6,127.5,126.7,72.9,69.9,48.3,42.5,40.8,34.5,29.0,20.4.IR(KBr,cm-1):2930,2860,1717,1497,1455,1357,1102,739,679.HRMS(ESI+)m/z:[M+Na]+calcd for C22H26O3Na+:361.1774;found:361.1764.
化合物4am(2-Benzyl-8-((4-chlorobenzyl)oxy)-4-oxooctanal)可以依据以上合成条件,利用相应原料合成,其产率约67%。
Figure BDA0003900752550000302
产物表征数据如下:1H NMR(400MHz,Chloroform-d)δ9.78(s,1H),7.30(ddd,J=8.2,4.0,2.8Hz,4H),7.30-7.17(m,2H),7.21-7.08(m,2H),4.43(s,2H),3.51-3.36(m,2H),3.22(ddd,J=13.8,10.2,6.7Hz,1H),3.08(dd,J=13.9,6.4Hz,1H),2.88-2.61(m,2H),2.51-2.31(m,3H),1.71-1.49(m,3H).13C NMR(100MHz,Chloroform-d)δ208.6,202.9,137.9,137.0,133.2,128.9,128.9,128.7,128.5,126.7,72.0,70.0,48.3,42.4,40.8,34.4,29.0,20.4.IR(KBr,cm-1):2944,2863,1713,1497,1451,1406,1357,1095,1019,809,750,701.HRMS(ESI+)m/z:[M+Na]+ calcd for C22H25CIO3Na+:395.1384;found:395.1370.
化合物4an(2-Benzyl-8-((4-methylbenzyl)oxy)_4-oxooctanal)可以依据以上合成条件,利用相应原料合成,其产率约68%。
Figure BDA0003900752550000303
产物表征数据如下:1H NMR(400MHz,Chloroform-d)δ9.78(s,1H),7.38-7.25(m,2H),7.28-7.17(m,3H),7.21-7.08(m,4H),4.44(s,2H),3.43(q,J=5.5Hz,2H),3.21(tdd,J=8.2,6.4,4.6Hz,1H),3.08(dd,J=13.9,6.4Hz,1H),2.86-2.62(m,2H),2.50-2.34(m,3H),2.34(s,3H),1.61(tddt,J=15.1,9.1,6.1,2.6Hz,3H).13C NMR(100MHz,Chloroform-d)δ208.6,202.9,138.0,137.2,135.4,129.0,128.9,128.7,127.7,126.7,72.7,69.7,48.2,42.5,40.8,34.4,29.0,21.1,20.4.IR(KBr,cm-1):2926,2860,1710,1455,1413,1364,1099,802,750,694.HRMS(ESI+)m/z:[M+Na]+calcd for C23H28O3Na+:375.1931;found:375.1922.
化合物4ao(2-(4-Methoxybenzyl)_4-oxo-7-phenylheptanal)的合成方法包括:将对甲基苯丙醛和烯氧基吡啶鎓盐溶于N,N-二甲基甲酰胺中,搅拌均匀后加入吗啉,且使对甲基苯丙醛、烯氧基吡啶鎓盐、吗啉的摩尔比为1∶1∶1左右,室温下反应0.5h左右。反应过程中以石油醚∶乙酸乙酯=5∶1进行监测。反应结束后,溶剂在真空中干燥,在硅胶柱中用石油醚∶乙酸乙酯=20∶1提纯,得到纯产物,其产率约69%。
Figure BDA0003900752550000311
产物表征数据如下:1H NMR(400MHz,Chloroform-d)δ9.76(s,1H),7.30-7.22(m,3H),7.21-7.11(m,3H),7.04(d,J=8.7Hz,2H),6.82(d,J=8.7Hz,2H),3.77(s,3H),3.21-3.12(m,1H),3.00(q,J=6.9Hz,1H),2.74(dd,J=18.1,8.0Hz,1H),2.68-2.61(m,1H),2.57(t,J=7.5Hz,2H),2.47-2.28(m,3H),1.93-1.78(m,2H).13C NMR(100MHz,Chloroform-d)δ208.6,203.1,158.4,141.5,129.9,128.4,128.3,125.9,114.1,55.2,48.5,41.9,40.8,34.9,33.6,25.1.IR(KBr,cm-1):2935,2854,1713,1486,1425,1388,1051,1023,745,693.HRMS(ESI+)m/z:[M+Na]+calcd for C21H24o3Na+:347.1618;found:347.1615.
化合物4ap(2-Ethyl-4-oxo-7-phenylheptanal)可以依据以上合成条件,利用相应原料合成,其产率约63%。
Figure BDA0003900752550000312
产物表征数据如下:1H NMR(400MHz,Chloroform-d)δ9.69(s,1H),7.31-7.23(m,3H),7.22-7.13(m,3H),2.92-2.76(m,2H),2.61(t,J=7.5Hz,2H),2.50(dt,J=13.9,5.7Hz,1H),2.48-2.38(m,1H),2.42-2.31(m,1H),1.99-1.83(m,2H),1.81-1.66(m,1H),1.56-1.35(m,1H),0.93(t,J=7.5Hz,4H).13C NMR(100MHz,Chloroform-d)δ208.7,203.5,141.5,128.5,128.4,126.0,48.0,42.1,40.8,35.0,25.2,21.6,11.4.IR(KBr,cm-1):3061,2954,1713,1454,1408,1380,1181,751,702.HRMS(ESI+)m/z:[M+Na]+calcd for C15H20O2Na+:255.1356;found:255.1371.
化合物4aq(2-Butyl_4-oxo-7-phenylheptanal)的合成方法包括:将正己醛和烯氧基吡啶鎓盐溶于甲苯中,搅拌均匀后加入N,N-二异丙基乙胺,且使正己醛、烯氧基吡啶鎓盐、N,N-二异丙基乙胺的摩尔比为1∶1∶1左右,室温下反应0.5h左右。反应过程中以石油醚∶乙酸乙酯=5∶1进行监测。反应结束后,溶剂在真空中干燥,在硅胶柱中用石油醚∶乙酸乙酯=20∶1提纯,得到纯产物,其产率约62%。
Figure BDA0003900752550000321
产物表征数据如下:1H NMR(400MHz,Chloroform-d)δ9.70(s,1H),7.33-7.24(m,2H),7.23-7.14(m,3H),2.91(dtd,J=12.6,6.4,3.9Hz,1H),2.83(dd,J=17.3,8.4Hz,1H),2.62(t,J=7.6Hz,2H),2.56-2.34(m,3H),2.00-1.84(m,2H),1.76-1.63(m,1H),1.39-1.22(m,4H),0.90(t,J=6.9Hz,3H).13C NMR(100MHz,Chloroform-d)δ208.7,203.5,141.5,128.5,128.4,125.9,46.7,42.0,41.3,35.0,29.1,28.3,25.1,22.7,13.8.IR(KBr,cm-1):2935,2865,1713,1461,1408,1373,740,702.HRMS(ESI+)m/z:[M+Na]+calcd for C17H24O2Na+:283.1669;found:283.1700.
化合物4ar(2-(2-Oxo-5-phenylpetroleum etherntyl)nonanal)可以依据以上合成条件,利用相应原料合成,其产率约61%。
Figure BDA0003900752550000322
产物表征数据如下:1H NMR(400MHz,Chloroform-d)δ9.70(s,1H),7.36-7.22(m,2H),7.25-7.10(m,3H),2.96-2.75(m,2H),2.62(p,J=7.0Hz,2H),2.54-2.33(m,2H),2.12(s,2H),1.99-1.83(m,2H),1.56(s,2H),1.44-1.17(m,10H),0.92-0.84(m,3H).13C NMR(100MHz,Chloroform-d)δ208.7,203.6,141.5,128.5,128.5,128.4,125.9,53.4,46.7,42.8,42.0,41.3,35.0,31.7,30.0,29.6,29.0,28.6,27.0,25.2,22.6,14.1.IR(KBr,cm-1):2924,2858,1713,1454,1408,1356,747,689.HRMS(ESI+)m/z:[M+H]+calcd for C20H30NaO2 +:325.2138;found:325.2146.
化合物4as(7-Formyl-9-methyl-5-oxodecanenitrile)可以依据以上合成条件,利用相应原料合成,其产率约70%。
Figure BDA0003900752550000331
产物表征数据如下:1H NMR(400MHz,Chloroform-d)δ9.69-9.65(1H),3.05-2.92(m,1H),2.81(q,J=8.8Hz,1H),2.75-2.58(m,2H),2.48-2.31(m,4H),2.20-2.14(s,1H),1.97-1.88(m,3H),1.70-1.51(m,3H),1.35-1.14(m,2H),0.94(q,J=6.6Hz,6H).13C NMR(100MHz,Chloroform-d)δ207.3,203.5,119.4,45.4,41.8,41.2,40.7,37.7,25.9,23.0,22.3,19.4,16.5.IR(KBr,cm-1):2956,2914,2322,1713,1524,1454,1373.HRMS(ESI+)m/z:[M+Na]+calcd for C12H19NO2Na+:232.1308;found:232.1305.
化合物4at(7-Formyl-5-oxononanenitrile)可以依据以上合成条件,利用相应原料合成,其产率约77%。
Figure BDA0003900752550000332
产物表征数据如下:1H NMR(400MHz,Chloroform-d)δ9.68(d,J=1.4Hz,1H),2.97-2.88(m,1H),2.91-2.79(m,1H),2.69(qtd,J=18.2,6.9,1.5Hz,2H),2.41(qdd,J=9.9,5.5,3.0Hz,4H),1.93(pd,J=7.0,1.6Hz,2H),1.85-1.72(m,1H),1.69-1.47(m,2H),0.96(td,J=7.5,1.6Hz,4H).13C NMR(100MHz,Chloroform-d)δ207.20,203.36,119.25,45.32,41.71,40.57,37.56,25.77,22.86,22.15,19.26,16.39.IR(KBr,cm-1):2965,2973,2248,1717,1458,1410,1371.HRMS(ESI+)m/z:[M+Na]+calcd for C10H15NO2Na+:204.0995;found:204.0995.
化合物4au(7-Formyl-5-oxoundecanenitrile)可以依据以上合成条件,利用相应原料合成,其产率约77%。
Figure BDA0003900752550000333
产物表征数据如下:1H NMR(400MHz,Chloroform-d)δ9.67(d,J=2.8Hz,1H),2.95(ddp,J=9.8,6.9,3.2Hz,1H),2.84(ddd,J=17.2,9.0,2.9Hz,1H),2.69(dddd,J=25.0,16.0,10.6,6.9Hz,2H),2.41(ddp,J=9.7,6.9,3.3Hz,3H),1.93(pd,J=7.0,2.8Hz,2H),1.74(dt,J=14.4,7.2Hz,1H),1.52-1.39(m,1H),1.32(tt,J=7.3,3.6Hz,4H),0.90(td,J=6.9,2.9Hz,3H).13C NMR(100MHz,Chloroform-d)δ207.2,203.3,119.3,47.0,41.1,40.6,29.1,28.1,22.6,19.2,16.4,13.8.IR(KBr,cm-1)∶2926,2860,2248,1720,1458,1413,1378,1095.HRMS(ESI+)m/z:[M+Na]+calcd for C12H19NO2Na+:232.1308;found:232.1307.
化合物4av(7-Formyl-5-oxotetradecanenitrile)可以依据以上合成条件,利用相应原料合成,其产率约75%。
Figure BDA0003900752550000341
产物表征数据如下:1H NMR(400MHz,Chloroform-d)δ9.68(s,1H),3.01-2.90(m,1H),2.84(ddd,J=17.2,9.0,1.2Hz,1H),2.77-2.56(m,2H),2.50-2.33(m,3H),2.03-1.84(m,2H),1.79-1.66(m,1H),1.43(dt,J=13.9,7.2Hz,1H),1.37-1.23(m,6H),0.96-0.81(m,3H).13C NMR(100MHz,Chloroform-d)δ207.2,203.3,119.3,47.1,41.1,40.6,31.7,28.4,26.7,22.4,19.2,16.4,13.9.IR(KBr,cm-1):2930,2853,2244,1713,1462,1417,1371,1095.HRMS(ESI+)m/z:[M+Na]+calcd for C13H21NO2Na+:246.1465;found:246.1456.
化合物4aw(11-Chloro-7-formyl-5-oxoundecanenitrile)的合成方法包括:将6-氯-1-己醛和烯氧基吡啶鎓盐溶于甲醇中,搅拌均匀后加入二乙胺,且使6-氯-1-己醛、烯氧基吡啶鎓盐、二乙胺的摩尔比为1∶1∶1左右,室温下反应0.5h左右。反应过程中以石油醚∶乙酸乙酯=5∶1进行监测。反应结束后,溶剂在真空中干燥,在硅胶柱中用石油醚∶乙酸乙酯=20∶1提纯,得到纯产物,其产率约80.4%。
Figure BDA0003900752550000342
产物表征数据如下:1H NMR(400MHz,Chloroform-d)δ9.67(s,1H),4.10(q,J=7.2Hz,1H),3.53(td,J=6.4,2.3Hz,3H),3.00-2.79(m,2H),2.79-2.48(m,4H),2.48-2.40(m,1H),2.44-2.28(m,3H),2.04-1.90(m,3H),1.93-1.85(m,1H),1.89-1.69(m,4H),1.60-1.40(m,4H),1.24(td,J=7.1,0.7Hz,2H).13C NMR(100MHz,Chloroform-d)δ206.9,202.7,119.2,60.3,46.8,44.5,41.1,40.6,32.2,27.6,24.2,19.2,16.3.IR(KBr,cm-1):2939,2862,2245,1712,1411,1373,1195,1099,736,648.HRMS(ESI+)m/z:[M+K]+calcd forC12H21NO2K+:285.0892;found:285.0884.
化合物4ax((3S,8S,9S,10R,13R,14S,17R)-17-((2S,5R)-5-Ethyl-6-methylheptan-2-yl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopetroleum ethernta[a]phenanthren-3-yl 7-benzyl-5,8-dioxooctanoate)可以依据以上合成条件,利用相应原料合成,其产率约72%。
Figure BDA0003900752550000351
产物表征数据如下:1H NMR(400MHz,Chloroform-d)δ9.77(s,1H),7.29(t,J=7.1Hz,2H),7.22(t,J=7.3Hz,1H),7.14(d,J=6.9Hz,2H),5.35(d,J=4.6Hz,1H),4.58(tt,J=11.8,4.3Hz,1H),3.26-3.17(m,1H),3.07(q,J=6.9Hz,1H),2.81-2.63(m,2H),2.54-2.34(m,3H),2.32-2.18(m,4H),2.04-1.91(m,2H),1.88-1.76(m,5H),1.65(q,J=6.9Hz,3H),1.59-1.43(m,6H),1.41(s,2H),1.34-1.19(m,4H),1.19-1.05(m,4H),1.00(s,4H),0.93-0.87(m,4H),0.87-0.77(m,10H),0.66(s,3H).13C NMR(100MHz,Chloroform-d)δ207.9,202.8,172.5,139.6,137.9,128.9,128.7,126.8,122.7,73.9,56.6,55.9,49.9,48.4,45.8,42.3,41.6,40.8,39.7,38.1,36.9,36.5,36.1,34.5,33.9,33.5,31.9,31.8,29.0,28.2,27.7,26.8,25.9,24.3,22.9,20.9,19.8,19.3,18.9,18.8,18.7,11.9,11.8.IR(KBr,cm-1):2954,2870,1728,1454,1377,1253,1176,736,702.HRMS(ESI+)m/z:[M+Na]+calcd for C44H66O4Na+:681.4853;found:681.4845.
化合物4ay
(4S,5′R,6aS,8aS,8bR,9S,10R,11aS,12aS,12bR)-5′,6a,8a,9-Tetramethyl-2a,3,3′,4,4′,5,5′,6,6a,6b,6′,7,8,8a,8b,9,11a,12,12a,12b-icosahydrospiro[naphtho[2′,1′∶4,5]indeno[2,1-b]furan-10,2′-pyran]-4-yl 8-benzyl-6,9-dioxononanoate)可以依据以上合成条件,利用相应原料合成,其产率约75%。
Figure BDA0003900752550000361
产物表征数据如下:1H NMR(400MHz,Chloroform-d)δ9.78(s,1H),7.30(t,J=7.3Hz,2H),7.26-7.20(m,1H),7.15(d,J=6.9Hz,2H),5.42-5.29(1H),4.65-4.52(m,1H),4.41(q,J=7.5Hz,1H),3.47(dd,J=10.7,2.5Hz,1H),3.37(t,J=11.0Hz,1H),3.27-3.17(m,1H),3.09(dd,J=14.0,6.2Hz,1H),2.86-2.64(m,2H),2.56-2.33(m,3H),2.33-2.21(m,4H),2.06-1.92(m,2H),1.91-1.74(m,6H),1.66-1.57(m,7H),1.56-1.45(m,4H),1.42(s,2H),1.35-1.23(m,2H),1.23-1.06(m,3H),1.03(s,3H),0.97(d,J=6.9Hz,3H),0.79(d,J=5.9Hz,6H).13C NMR(100MHz,Chloroform-d)δ207.9,202.8,172.5,139.6,137.9,128.9,128.7,126.8,122.4,109.3,80.8,73.8,66.8,61.9,56.4,49.8,48.4,41.6,41.5,40.8,40.2,39.7,38.0,36.9,36.7,34.5,33.4,31.9,31.8,31.3,30.3,28.7,27.7,26.9,20.8,19.3,18.8,17.1,16.3,14.5.IR(KBr,cm-1):2947,2900,1728,1454,1377,1176,1053,983,898,736,702.HRMS(ESI+)m/z:[M+Na]+calcd for C44H62O6Na+:709.4439;found:709.4438.
化合物4az(3R,4S,5R,6R)-3,4,5-Tris(benzyloxy)-6-((benzyloxy)methyl)tetrahydro-2H-pyran-2-yl-7-benzyl-5,8-dioxooctanoate)可以依据以上合成条件,利用苯丙醛等相应原料合成,其产率约72%。
Figure BDA0003900752550000362
产物表征数据如下:1H NMR(400MHz,Chloroform-d)δ9.79-9.72(m,1H),7.43-7.27(m,24H),7.19-7.11(m,5H),6.47-5.58(m,1H),5.01-4.91(m,1H),4.91-4.71(m,4H),4.70-4.58(m,2H),4.52(dd,J=21.3,11.2Hz,2H),3.98-3.83(m,1H),3.82-3.51(m,6H),3.29-3.12(m,1H),3.11-2.98(m,1H),2.80-2.59(m,2H),2.55-2.18(m,6H),2.14-2.00(m,1H),1.96-1.76(m,2H),1.32-1.23(m,1H),0.95-0.78(m,2H).13C NMR(100MHz,Chloroform-d)δ207.7,202.7,171.5,138.5,138.2,138.0,137.9,137.8,137.7,137.5,128.8,128.7,128.4,128.1,127.9,127.8,127.7,127.65,127.61,126.7,93.9,89.9,84.7,81.6,80.9,78.9,75.6,75.4,75.2,74.9,73.5,73.4,73.1,72.6,67.9,48.2,42.3,40.7,34.4,33.1,32.9,18.5,18.2.IR(KBr,cm-1):2981,2858,1743,1708,1494,1452,1355,1070,1024,906,734,696.HRMS(ESI+)m/z:[M+Na]+calcd for C49H52O9Na+:807.2504;found:807.3484.
化合物4b的合成反应式如下:
Figure BDA0003900752550000371
具体实验过程如下:
取10ml反应瓶,将化合物1b(0.2mmol,0.0426g)和化合物2a(0.2mmol,0.106g)溶于1,2-二氯乙烷中,搅拌均匀后加入Et2NH(1eq,0.2mmol,0.0144g)中,室温反应30分钟。反应过程中采用PE∶EA=5∶1进行监测,等待反应结束后,将溶剂真空干燥,在400目硅胶柱上用PE∶EA=20∶1进行纯化,得到纯化产物4b(0.0538g),产率为72.3%。该产物2-(4-bromobenzyl)-4-oxo-7-phenylheptanal(4b)的核磁数据如下:1H NMR(400MHz,Chloroform-d)δ9.74(s,1H),7.45-7.30(m,2H),7.30-7.25(m,1H),7.25-7.15(m,1H),7.18-7.08(m,2H),7.02(s,1H),7.03-6.90(m,1H),3.16(tdd,J=7.9,6.4,4.8Hz,1H),3.01(dd,J=14.0,6.5Hz,1H),2.80-2.67(m,1H),2.67-2.61(m,1H),2.61-2.55(m,2H),2.47-2.25(m,3H),1.95-1.78(m,2H).13C NMR(100MHz,Chloroform-d)δ208.2,202.4,141.4,137.0,131.8,130.7,128.4,128.4,126.0,120.6,53.4,48.0,41.9,40.8,34.9,33.8,25.0.IR(KBr,cm-1):2930,2849,1713,1493,1444,1410,1368,1071,1012,750,697.HRMS(ESI+)m/z:[M-H]-calcd for C20H20BrO2 -:371.0652;found:371.0641.
化合物4ba(2R,3R,4R,5R)-5-((Benzoyloxy)methyl)-3-((7-benzyl-5,8-dioxooctanoyl)oxy)tetrahydrofuran-2,4-diyl-dibenzoate)可以依据以上合成条件,利用相应原料合成,其产率约76%。
Figure BDA0003900752550000381
产物表征数据如下:1H NMR(400MHz,Chloroform-d)δ9.67(s,1H),8.14-8.01(m,7H),7.63-7.52(m,4H),7.50-7.32(m,8H),7.29-7.16(m,4H),7.09(d,J=6.9Hz,2H),6.77(d,J=5.5Hz,1H),5.76(d,J=7.8Hz,1H),5.54(dd,J=6.6,4.3Hz,1H),4.84(q,J=2.9Hz,1H),4.64(ddd,J=42.2,12.2,3.1Hz,2H),4.10(q,J=7.2Hz,2H),3.16-3.06(m,1H),3.00(q,J=6.7Hz,1H),2.65-2.52(2H),2.43-2.14(m,6H),2.06-1.96(3H),1.77-1.65(m,2H),1.24(t,J=7.3Hz,4H).13C NMR(100MHz,Chloroform-d)δ207.5,202.6,171.6,166.0,165.6,165.1,137.8,133.7,133.5,133.4,129.9,129.8,129.7,129.5,129.3,129.1,128.9,128.7,128.6,128.5,128.4,128.4,126.7,94.7,82.7,82.7,70.7,70.6,63.9,60.3,48.3,41.2,40.6,34.4,32.4,21.0,18.1,14.1.IR(KBr,cm-1):2924,2370,2337,1714,1558,1508,1458,1267,1112,1069,1024,709,491,420.HRMS(ESI+)m/z:[M+Na]+calcd forC41H38O11Na+:729.2306;found:729.2291.
化合物4bc
(3aS,4R,6R,6aS)-6-((R)-2,2-Dimethyl-1,3-dioxolan-4-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl 7-benzyl-5,8-dioxooctanoate)可以依据以上合成条件,利用相应原料合成,其产率约73%。
Figure BDA0003900752550000382
产物表征数据如下:1H NMR(400MHz,Chloroform-d)δ9.77(s,1H),7.30(t,J=7.1Hz,2H),7.23(t,J=7.3Hz,1H),7.15(d,J=7.3Hz,2H),6.14-6.08(m,1H),4.90-4.79(1H),4.67(q,J=2.9Hz,1H),4.45-4.34(m,1H),4.11-4.05(1H),4.05-3.97(1H),3.29-3.17(m,1H),3.09(dd,J=14.0,6.2Hz,1H),2.84-2.61(m,2H),2.58-2.34(m,4H),2.30(t,J=7.1Hz,2H),1.94-1.78(m,2H),1.46(d,J=12.3Hz,6H),1.35(d,J=13.7Hz,6H).13C NMR(100MHz,Chloroform-d)δ207.8,202.7,171.5,137.8,128.9,128.7,126.8,113.2,109.3,100.6,85.0,82.2,79.2,72.8,66.8,48.5,41.3,40.8,34.5,33.1,32.9,27.0,25.9,25.1,24.6,18.3.IR(KBr,cm-1):3433,2987,2941,1714,1726,1708,1635,1454,1369,1209,1161,1066,960,848,702.HRMS(ESI+)m/z:[M+Na]+calcd for C27H36O9Na+:527.2252;found:527.2257.
化合物4c的合成反应式如下:
Figure BDA0003900752550000391
具体实验过程如下:
取10ml反应瓶,将化合物1c(0.2mmol,0.0336g)和化合物2a(0.2mmol,0.106g)溶于1,2-二氯乙烷中,搅拌均匀后加入Et2NH(1eq,0.2mmol,0.0144g)中,室温反应30分钟。反应过程中采用PE∶EA=5∶1进行监测,等待反应结束后,将溶剂真空干燥,在400目硅胶柱上用PE∶EA=20∶1进行纯化,得到纯化产物4c(0.0468g),产率为71.3%。该产物2-(4-chlorobenzyl)-4-oxo-7-phenylheptanal(4c)的核磁数据如下:1H NMR(400MHz,Chloroform-d)δ9.74(s,1H),7.31-7.22(m,4H),7.26-7.14(m,1H),7.18-7.11(m,2H),7.11-7.04(m,2H),3.16(qd,J=7.7,4.9Hz,1H),3.03(dd,J=14.0,6.5Hz,1H),2.74(dd,J=18.0,7.8Hz,1H),2.65(dd,J=13.9,8.3Hz,1H),2.58(t,J=7.5Hz,2H),2.48-2.28(m,3H),1.87(pd,J=7.3,2.5Hz,2H).13C NMR(100MHz,Chloroform-d)δ208.3,202.4,141.4,136.5,132.6,130.3,128.8,128.4,128.4,126.0,48.1,41.9,40.8,34.9,33.8,25.0.IR(KBr,cm-1):3026,2921,2854,1713,1492,1450,1408,1359,1090,1009,740,698.HRMS(ESI+)m/z:[M-H]-calcd for C20H20ClO2 -:327.1157;found:327.1154.
化合物4d的合成反应式如下:
Figure BDA0003900752550000392
具体实验过程如下:
取10ml反应瓶,将化合物1d(0.2mmol,0.0280g)和化合物2a(0.2mmol,0.106g)溶于1,2-二氯乙烷中,搅拌均匀后加入Et2NH(1eq,0.2mmol,0.0144g)中,室温反应30分钟。反应过程中采用PE∶EA=5∶1进行监测,等待反应结束后,将溶剂真空干燥,在400目硅胶柱上用PE∶EA=20∶1进行纯化,得到纯化产物4d(0.0411g),产率为68.5%。该产物4-oxo-7-phenyl-2-(thiophen-2-ylmethyl)heptanal(4d)的核磁数据如下:1H NMR(400MHz,Chloroform-d)δ9.78(s,1H),7.35-7.21(m,2H),7.24-7.15(m,1H),7.19-7.07(m,3H),6.91(dd,J=5.2,3.4Hz,1H),6.77(dt,J=3.5,1.0Hz,1H),3.48(s,1H),3.46-3.09(m,3H),3.00(ddd,J=14.6,7.5,0.8Hz,1H),2.88-2.71(m,1H),2.60(q,J=7.8Hz,2H),2.53-2.45(m,1H),2.44-2.35(m,2H),1.98-1.80(m,2H).13C NMR(100MHz,Chloroform-d)δ208.3,202.4,141.4,140.2,128.4,128.4,127.1,126.1,126.0,124.3,48.3,41.9,40.9,34.9,28.4,25.0.IR(KBr,cm-1):2919,2856,1713,1451,1406,1364,1092,1022,746,694.HRMS(ESI+)m/z:[M+Na]+calcd for C18H20O2SNa+:323.1076;found:323.1085.
化合物4e的合成反应式如下:
Figure BDA0003900752550000401
具体实验过程如下:
取10ml反应瓶,将化合物1e(0.2mmol,0.0276g)和化合物2a(0.2mmol,0.106g)溶于1,2-二氯乙烷中,搅拌均匀后加入Et2NH(1eq,0.2mmol,0.0144g)中,室温反应30分钟。反应过程中采用PE∶EA=5∶1进行监测,等待反应结束后,将溶剂真空干燥,在400目硅胶柱上用PE∶EA=20∶1进行纯化,得到纯化产物4e(0.0376g),产率为63.4%。该产物2-((4-methylcyclopenta-1,3-dien-1-yl)methyl)-4-oxo-7-phenylheptanal(4e)的核磁数据如下:1H NMR(400MHz,Chloroform-d)δ9.76(s,1H),7.27(td,J=6.2,2.9Hz,2H),7.22-7.12(m,3H),5.88(d,J=3.1Hz,1H),5.84-5.79(m,1H),3.22-3.11(m,1H),2.99(dd,J=15.3,6.2Hz,1H),2.85-2.74(m,2H),2.60(t,J=7.5Hz,2H),2.51-2.41(m,2H),2.43-2.31(m,1H),2.21(s,3H),1.89(pd,J=7.4,1.8Hz,2H).13C NMR(100MHz,Chloroform-d)δ208.5,202.7,151.5,149.9,141.6,128.6,128.5,126.1,107.9,106.1,46.1,42.1,40.9,35.1,27.0,25.2,13.6.IR(KBr,cm-1):3028,2926,2853,1713,1605,1574,1574,1497,1406,1364,1211,1029,785,753,704.HRMS(ESI+)m/z:[M+H]+calcd for C19H23O3 +:299.1642;found:299.1648.
化合物4g的合成反应式如下:
Figure BDA0003900752550000411
具体实验过程如下:
取10ml反应瓶,将化合物1f(0.2mmol,0.0252g)和化合物2a(0.2mmol,0.106g)溶于1,2-二氯乙烷中,搅拌均匀后加入Et2NH(1eq,0.2mmol,0.0144g)中,室温反应30分钟。反应过程中采用PE∶EA=5∶1进行监测,等待反应结束后,将溶剂真空干燥,在400目硅胶柱上用PE∶EA=20∶1进行纯化,得到纯化产物4f(0.0185g),产率为32.4%。该产物2-cyclohexyl_4-oxo-7-phenylheptanal(4f)的核磁数据如下:1H NMR(400MHz,Chloroform-d)δ9.74(s,1H),7.36-7.15(m,2H),7.19-7.10(m,3H),2.99-2.77(m,3H),2.70-2.57(m,2H),2.54-2.36(m,2H),2.36-2.24(m,2H),2.12(s,1H),1.91(pd,J=7.4,2.7Hz,2H),1.83-1.64(m,2H),1.55(d,J=15.8Hz,2H),1.36-1.18(m,2H),1.14-0.98(m,2H).13C NMR(100MHz,Chloroform-d)δ209.1,204.0,128.5,128.5,128.4,125.9,52.2,42.8,42.1,38.4,37.8,35.0,31.0,29.9,26.4,26.4,26.1,25.2,25.2.IR(KBr,cm-1):2926,2856,1713,1451,1413,1357,743,701.HRMS(ESI+)m/z:[M+H]+calcd for C19H27O2 +:287.2006;found:287.2014.
化合物4g的合成反应式如下::
Figure BDA0003900752550000412
具体实验过程如下:
取10ml反应瓶,将化合物1g(0.2mmol,0.020g)和化合物2a(0.2mmol,0.106g)溶于1,2-二氯乙烷中,搅拌均匀后加入Et2NH(1eq,0.2mmol,0.0144g)中,室温反应30分钟。反应过程中采用PE∶EA=5∶1进行监测,等待反应结束后,将溶剂真空干燥,在400目硅胶柱上用PE∶EA=20∶1进行纯化,得到纯化产物4g(0.0321g),产率为61.7%。该产物2_butyl_4-oxo-7-phenylheptanal(4g)的核磁数据如下:1H NMR(400MHz,Chloroform-d)δ9.70(s,1H),7.33-7.24(m,2H),7.23-7.14(m,3H),2.91(dtd,J=12.6,6.4,3.9Hz,1H),2.83(dd,J=17.3,8.4Hz,1H),2.62(t,J=7.6Hz,2H),2.56-2.34(m,3H),2.00-1.84(m,2H),1.76-1.63(m,1H),1.39-1.22(m,4H),0.90(t,J=6.9Hz,3H).13C NMR(100MHz,Chloroform-d)δ208.7,203.5,141.5,128.5,128.4,125.9,46.7,42.0,41.3,35.0,29.1,28.3,25.1,22.7,13.8.IR(KBr,cm-1):2935,2865,1713,1461,1408,1373,740,702.HRMS(ESI+)m/z:[M+Na]+calcdfor C17H24O2Na+:283.1669;found:283.1700.
化合物4h的合成反应式如下:
Figure BDA0003900752550000421
具体实验过程如下:
取10ml反应瓶,将化合物1h(0.2mmol,0.0240g)和化合物2a(0.2mmol,0.106g)溶于1,2-二氯乙烷中,搅拌均匀后加入Et2NH(1eq,0.2mmol,0.0144g)中,室温反应30分钟。反应过程中采用PE∶EA=5∶1进行监测,等待反应结束后,将溶剂真空干燥,在400目硅胶柱上用PE∶EA=20∶1进行纯化,得到纯化产物4h(0.0440g),产率为74.6%。该产物2-(4-chlorobutyl)_4-oxo-7-phenylheptanal(4h)的核磁数据如下:1H NMR(400MHz,Chloroform-d)δ9.70(s,1H),7.35-7.27(m,2H),7.23-7.07(m,3H),3.53(t,J=6.5Hz,2H),2.97-2.86(m,1H),2.84(dd,J=17.3,8.1Hz,1H),2.62(t,J=7.5Hz,2H),2.61-2.37(m,3H),2.02-1.86(m,2H),1.89-1.65(m,3H),1.56-1.38(m,3H).13C NMR(100MHz,Chloroform-d)δ208.4,203.0,141.4,128.5,128.4,126.0,46.4,44.5,42.0,41.2,35.0,32.3,27.7,25.1,24.2.IR(KBr,cm-1):2933,2863,1713,1451,1399,1361,750,694.HRMS(ESI+)m/z:[M+K]+calcd for C17H23ClKO2 +:333.1018;found:333.1014.
化合物4i的合成反应式如下:
Figure BDA0003900752550000422
具体实验过程如下:
取10ml反应瓶,将化合物1i(0.2mmol,0.0172g)和化合物2a(0.2mmol,0.106g)溶于1,2-二氯乙烷中,搅拌均匀后加入Et2NH(1eq,0.2mmol,0.0144g)中,室温反应30分钟。反应过程中采用PE∶EA=5∶1进行监测,等待反应结束后,将溶剂真空干燥,在400目硅胶柱上用PE∶EA=20∶1进行纯化,得到纯化产物4i(0.0287g),产率为58.4%。该产物2-isopropyl_4-oxo-7-phenylheptanal(4i)的核磁数据如下:1H NMR(400MHz,Chloroform-d)δ9.74(s,1H),7.31-7.27(m,2H),7.21-7.17(m,3H),2.96-2.92(m,1H),2.86(dd,J=17.2,9.7Hz,1H),2.64-2.60(m,2H),2.54-2.41(m,2H),2.26(dd,J=17.2,2.9Hz,1H),2.20-2.13(m,1H),1.96-1.88(m,2H),0.99(d,J=6.9Hz,3H),0.90(d,J=6.9Hz,3H).13C NMR(101MHz,Chloroform-d)δ208.9,203.8,141.6,128.5,128.4,125.9,52.5,42.1,37.7,35.0,27.5,25.2,20.4,19.3.IR(KBr,cm-1):3026,2962,2935,1712,1496,1454,1373,1242,1180,748,702.HRMS(ESI+)m/z:[M+H]+calcd for C17H25O2 +:261.1849;found:261.1842.
4、1,4-醛酮化合物的应用
以上实施例合成的各种1,4-醛酮化合物可以用于合成药用化合物。例如,可以用前述化合物4ag合成化合物3-Benzy1-5-oxocyclohept-1-ene-1-carbonitrile,如下将其命名为“化合物5”,其结构式如下:
Figure BDA0003900752550000431
具体合成方法包括:将化合物4ag(0.20mmol,1.0equiv)溶于冷的三氟乙酸(2mL)中。反应混合物在0℃搅拌30分钟,然后加热至室温搅拌至3h。5h后,在真空下仔细蒸发溶剂,对残渣硅胶层析得到目标产物10。柱层析纯化后的无色液体(石油醚:乙酸乙酯=5/1);43.3mg,96%产率。1H NMR(400MHz,Chloroform-d)δ7.43(t,J=1.4Hz,1H),7.37-7.29(m,2H),7.28-7.24(m,1H),7.19(d,J=6.9Hz,2H),3.32-3.10(m,1H),2.80(dd,J=7.5,1.6Hz,2H),2.66-2.48(m,5H),2.17(dd,J=19.2,2.3Hz,1H).13C NMR(101MHz,Chloroform-d)δ208.0,163.1,141.9,138.7,128.8,128.6,126.6,118.9,41.0,41.0,40.6,21.2,15.9.IR(KBr,cm-1):3028,2920,2850,2254,1701,1635,1600,1496,1454,1357,1199,1064,748,705,493.HRMS(ESI+)m/z:[M+Na]+calcd for C15H15NONa+:248.1046;found:248.1038.
以上化合物5在给药后能抑制癌细胞的增殖活性,其体外实验过程如下:
取对数生长期的人卵巢癌细胞(SKOV3)、人乳腺癌细胞(MCF-7)和人肝癌细胞(HepG2),配制成5×104μmol/L的细胞悬液,铺于96孔板上,在周围一圈孔中加入PBS溶液,每孔100μL。消除边缘效应。选择5邻井,添加高糖DMEM培养基(含10%胎牛血清)井,为每个洞100μL。相反,消除背景值的影响。在其余孔中加入准备好的细胞悬液,每孔100μL。为保证孔内细胞浓度均匀,在添加一排孔后,用吸管吹干细胞悬浮液,添加所有细胞,写好标记,将96孔板放入37℃,5%CO2的细胞培养箱中培养24小时。
称量化合物5,加入生物DMSO溶液,制备100μM/mL的化合物母液,混合均匀,采用梯度稀释法,用DMEM高糖培养基稀释,依次制备80、40、20、10、5μM/mL备用。将制备好的药物溶液注入细胞,处理后,将96孔板置于37℃,5%CO2的细胞培养箱中48小时。
最后,将96孔板从培养箱中取出,每孔加入10μL CCK-8溶液,再次在37℃、5%CO2的细胞培养箱中培养1~3h。操作环境在整个操作过程中要求避光。从细胞培养箱中取出96孔板,使用微板阅读器在450nm处测量吸光度(OD)值。测试结果如图1a-图1c所示。
此外,本案发明人还参照前述实施例,以本说明书述及的其它原料、工艺操作、工艺条件进行了试验,并均获得了较为理想的结果。
尽管已参考说明性实施例描述了本发明,但所属领域的技术人员将理解,在不背离本发明的精神及范围的情况下可做出各种其它改变、省略及/或添加且可用实质等效物替代所述实施例的元件。另外,可在不背离本发明的范围的情况下做出许多修改以使特定情形或材料适应本发明的教示。因此,本文并不打算将本发明限制于用于执行本发明的所揭示特定实施例,而是打算使本发明将包含归属于所附权利要求书的范围内的所有实施例。

Claims (10)

1.一种1,4-醛酮化合物,其特征在于,它具有下式所示结构:
Figure FDA0003900752540000011
其中Ra包括H、卤素、取代或未取代的烷基、取代或未取代的芳基、取代或未取代的杂环基、取代或未取代的烯基、炔基、酯基、氨基或氰基,Rb包括H、卤素、取代或未取代的烷基、取代或未取代的芳基或者取代或未取代的杂环基。
2.根据权利要求1所述的1,4-醛酮化合物,其特征在于,它包括下列的任一种化合物:
Figure FDA0003900752540000012
3.一种1,4-醛酮化合物的合成方法,其特征在于包括:使包含脂肪醛、烯氧基吡啶鎓盐和二级胺的均匀混合反应体系于室温下进行反应,获得1,4-醛酮类化合物;
所述烯氧基吡啶鎓盐具有式(II)所示结构:
Figure FDA0003900752540000013
其中,Ra包括H、卤素、取代或未取代的烷基、取代或未取代的芳基、取代或未取代的杂环基、取代或未取代的烯基、炔基、酯基、氨基或氰基,X-包括负电性基团;
所述脂肪醛具有式(I)所示结构:
Figure FDA0003900752540000014
其中,Rb包括H、卤素、取代或未取代的烷基、取代或未取代的芳基或者取代或未取代的杂环基。
4.根据权利要求3所述的合成方法,其特征在于:所述的二级胺包括二乙胺、吡咯、吗啉、N,N-二异丙基乙胺、N-甲基苯基胺中的任意一种或多种的组合。
5.根据权利要求3所述的合成方法,其特征在于:X-包括-NTf2
6.根据权利要求3所述的合成方法,其特征在于:所述脂肪醛与烯氧基吡啶鎓盐的摩尔比为0.8∶1-1∶0.8,所述二级胺与脂肪醛的摩尔比为0.8∶1-1∶0.8;和/或,所述反应的时间为0.5h以上。
7.根据权利要求4所述的合成方法,其特征在于:所述均匀混合反应体系还包括有机溶剂,所述有机溶剂包括二氯甲烷、二氯乙烷、乙腈、甲醇、N,N-二甲基甲酰胺、甲苯中的任意一种或多种的组合。
8.1,4-醛酮化合物在合成碳环化合物或杂环化合物中的用途,所述1,4-醛酮化合物的结构式如下:
Figure FDA0003900752540000021
9.一种碳环化合物,其特征在于,它的结构式如下:
Figure FDA0003900752540000022
10.权利要求9所述碳环化合物在制备抗肿瘤药物中的用途。
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