CN115124450B - 一种含有丁烯胺结构的吲哚酮衍生物的合成方法 - Google Patents

一种含有丁烯胺结构的吲哚酮衍生物的合成方法 Download PDF

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CN115124450B
CN115124450B CN202210835172.5A CN202210835172A CN115124450B CN 115124450 B CN115124450 B CN 115124450B CN 202210835172 A CN202210835172 A CN 202210835172A CN 115124450 B CN115124450 B CN 115124450B
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王兴旺
刘文凯
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Suzhou University
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Abstract

本发明公开了一种含有丁烯胺结构的吲哚酮衍生物的合成方法,具体为以3‑芳基吲哚酮与2‑乙烯基氮杂环丙烷为反应物,在Pd2(dba)3·CHCl3和手性草酰胺膦配体的催化下,在溶剂中合成得到产物。本发明公开的方法原料简单易得,反应条件温和,后处理简单方便,适用的底物范围广,收率高,对映选择性高;由此合成得到的产物可用以合成药物的中间体。

Description

一种含有丁烯胺结构的吲哚酮衍生物的合成方法
技术领域
本发明涉及含有丁烯胺结构的吲哚酮衍生物的合成,具体涉及一种含有丁烯胺结构的吲哚酮衍生物的催化合成方法。
背景技术
吲哚酮类衍生物广泛的存在于天然产物、生物活性分子、药物中,具有显著的生理和药理活性,如镇静、抗病毒、杀菌、破坏生物细胞膜、抑制酶的活性、抗肿瘤等广泛的生物活性并且广泛的存在于天然产物中。同时也是许多药物分子中不可或缺的重要结构单元,而受到很多科学家的关注。而含有丁烯胺结构的吲哚酮衍生物也具有很好的生物活性和药用价值,常见于镇静药物、生物受体中(图1)。现有技术中吲哚酮类衍生物的合成方法报道很多,通过使用催化量的催化剂促进大量的新手性物质的生成,是一种最有效、最经济的合成有机化合物的方法。在有机合成研究领域,钯和膦配体催化可应用于很多有机物的合成;但是能够通过钯和膦配体催化,高效合成含有丁烯胺结构的吲哚酮衍生物未见文献报道。因此很有必要发明一种合成含有丁烯胺结构的吲哚酮手性衍生物的方法,该方法不仅收率高、对映选择性优秀,同时还需反应条件温和、操作简单。
发明内容
本发明的目的是提供含有丁烯胺结构的吲哚酮衍生物及其催化合成方法。
为达到上述发明目的,本发明采用的技术方案是:
一种含有丁烯胺结构的吲哚酮衍生物的合成方法,包括以下步骤,以3-芳基吲哚酮和2-乙烯基氮杂环丙烷为反应物,以钯盐和膦配体为催化体系,反应得到含有丁烯胺结构的吲哚酮衍生物。优选的,以3-芳基吲哚酮和2-乙烯基氮杂环丙烷为反应物,以钯盐和膦配体为催化体系,在有机溶剂中,-40℃~30℃下反应得到含有丁烯胺结构的吲哚酮衍生物。
本发明中,3-芳基吲哚酮化学结构式为:
本发明中,含有丁烯胺结构的吲哚酮衍生物的结构式为:
上述化学结构式中,R1选自:氢、5-氟、氯、溴、甲基、甲氧基、6-氟、氯、溴、甲氧基中的一种;R2选自:氢、3-三氟甲基、氟、氯、甲基、甲氧基、4-氟、氯、溴、甲基、乙基、甲氧基、二甲氨基、叔丁基、苯基、2,3,4,5,6-五氟、3,5-二甲基。
本发明中,2-乙烯基氮杂环丙烷的化学结构式为:
上述技术方案中,所述有机溶剂为醚类溶剂、苯类溶剂或者醇类溶剂;比如二氯甲烷、***、四氢呋喃、甲苯、1,2-二氯乙烷、对二甲苯、间二甲苯、邻二甲苯、1,4-二氧六环、甲基叔丁基醚或者甲醇、乙醇、异丙醇、叔丁醇;优选甲醇。
上述技术方案中,以摩尔量计,所述催化剂的用量为3-芳基吲哚酮的1%~10%;2-乙烯基氮杂环丙烷的用量为3-芳基吲哚酮的0.5~2倍;膦配体的用量为3-芳基吲哚酮的2%~5%。优选的,以摩尔量计,所述催化剂的用量为3-芳基吲哚酮的2.5%;2-乙烯基氮杂环丙烷的用量为3-芳基吲哚酮的1倍;膦配体的用量为3-芳基吲哚酮的2.5%。催化剂的用量以钯计。
本发明中,催化剂优选为Pd2(dba)3·CHCl3和手性草酰胺膦配体;其中催化剂Pd2(dba)3·CHCl3的化学结构式为:
手性草酰胺膦配体的化学结构式为:
其中R选自:异丙基、苯基、苄基、4-甲氧基苯甲基、4-三氟甲基苯甲基、3,5-二甲基苯甲基中的一种。
本发明中,反应体系使用甲醇为溶剂和使用Pd2(dba)3·CHCl3和手性草酰胺膦配体为催化剂,以提高反应收率,最高可达99% 的产率。
上述反应过程如下所示:
由于上述技术方案运用,本发明与现有技术相比具有下列优点:
1.本发明首次通过使用Pd2(dba)3·CHCl3和手性草酰胺膦配体为催化剂,催化3-芳基吲哚酮与2-乙烯基氮杂环丙烷的烯丙基化反应,以优秀的对映选择性和高的收率合成了一系列含有丁烯胺结构的吲哚酮衍生物。该化合物结合了具有生物活性和药理作用的吲哚酮、2-丁烯-1-胺结构的功效,为有机合成、生物医药的发展提供更多选择。
2.本发明公开的合成含有丁烯胺结构的吲哚酮衍生物的反应催化效率高,催化剂用量低,后处理简单,反应属于烯丙基化反应,体系中没有副产物生成。
3.本发明公开的合成含有丁烯胺结构的吲哚酮衍生物的方法适用底物范围很广,原料均为工业化、廉价易得的产品,无污染;操作简便,收率高,化学选择性择性好;反应条件温和,-10℃即可很好反应,并且官能团兼容性高,对映选择性优秀,收率高。
附图说明
图1为现有含有丁烯胺结构的吲哚酮衍生物结构示意图。
图2为不同反应条件以及产物结果图。
图3为不同钯盐条件以及产物结果图。
图4为不同底物比例条件以及产物结果图。
图5为不同钯盐和膦配体条件以及产物结果图。
图6为配体合成示意图。
具体实施方式
本发明公开的含有丁烯胺结构的吲哚酮衍生物的合成方法示意如下:向反应瓶中依次加入催化剂、3-芳基吲哚酮、2-乙烯基氮杂环丙烷、溶剂,在-40℃~30℃,优选-10℃下,常规搅拌(磁力或机械)反应4~12小时,反应结束后,反应液通过简单的柱层析(洗脱剂优选为乙酸乙酯∶石油醚=1∶5)即可得到目标产物含有丁烯胺结构的吲哚酮衍生物;该类化合物是很多镇静剂、抗病毒药物、杀菌药物剂和酶抑制剂的类似物,有巨大的应用价值。
下面结合实施例对本发明作进一步描述。
实施例
参见图2,反应瓶中依次加入Pd2(dba)3·CHCl3、手性草酰胺膦配体L、1a、2a,加入1mL甲醇,在30℃下搅拌反应12小时,反应体系通过简单的柱层析(洗脱剂为乙酸乙酯:石油醚=1:5)即可得到目标产物3aa,收率以及ee结果见图2。在L14为配体的反应体系基础上,将溶剂更换为同体积的乙醇、异丙醇或者叔丁醇,产物收率分别为88%、83%、77%,ee%分别为86%、76%、65%。在L14为配体的反应体系基础上,将溶剂更换为同体积的THF、Et2O、MTBE、DCM、DCE、toluene、MeCN、acetone,产物收率/ee值分别为90%/80%、71%/79%、78%/79%、85%/58%、86%/45%、86%/52%、83%/65%、85%/86%。在L14为配体的反应体系基础上,将30℃调整为冰水浴,产物收率/ee值为91%/90%。在L14为配体的反应体系基础上,将30℃调整为-10℃,分别添加1当量K2CO3、CH3ONa、3,5-Dinitrobenzoic Acid作为添加剂,产物收率/ee值分别为44%/55%、N.R.、N.R.。
参见图3,反应瓶中依次加入金属化合物催化剂、手性草酰胺膦配体L14(结构式见图2)、1a、2a,加入1 mL甲醇,在30℃下搅拌反应12小时,反应体系通过简单的柱层析(洗脱剂为乙酸乙酯:石油醚=1:5)即可得到目标产物3aa,收率以及ee结果见图3。
参见图4,反应瓶中依次加入金属化合物催化剂Pd2(dba)3·CHCl3、手性草酰胺膦配体L14(结构式见图2)、1a、2a,加入1 mL甲醇,在-10℃下搅拌反应12小时,反应体系通过简单的柱层析(洗脱剂为乙酸乙酯:石油醚=1:5)即可得到目标产物3aa,收率以及ee结果见图4。
参见图5,反应瓶中依次加入金属化合物催化剂Pd2(dba)3·CHCl3、手性草酰胺膦配体L14(结构式见图2)、1a、2a,加入1 mL甲醇,在-10℃下搅拌反应12小时,反应体系通过简单的柱层析(洗脱剂为乙酸乙酯:石油醚=1:5)即可得到目标产物3aa,收率以及ee结果见图5。
合成例
参见图6,在室温下,向(1R,2R)-1,2-二苯基乙-1,2-二胺(20 g,94.0 mmol)的甲醇(250 mL)溶液中添加47% HBr水溶液(11 mL,94 mmol)。然后添加H2O(30 mL)和Boc2O(23g,104 mmol)。搅拌12小时后,向混合物中添加H2O(200 mL)。过滤掉沉淀的副产物(二叔丁基化合物),并在减压下去除甲醇。残渣用25% NaOH溶液碱化,直到pH值超过14。将混合物进一步冷却至0°C。搅拌1.0小时后,通过抽滤收集沉淀物,以获得粗产物S1。在氮气氛下,向干燥的烧瓶中加入 2-(二苯基膦)苯甲酸(1.53 g,5.0 mmol)和无水二氯甲烷(50 mL),然后在0℃下添加HOBT(0.92 g,6.0 mmol)、EDCI(1.15 g,6.0 mmol)和N-甲基吗啉(0.60 mL,5.5 mmol)。搅拌30分钟后,向混合物中添加S1(1.56 g,5.0 mmol)。然后在室温下将混合物进一步搅拌3小时,然后用水(30 mL)淬火。分离有机层,用二氯甲烷(30 mL×3)萃取水层。用盐水(30 mL)洗涤合并的有机相,然后使用无水硫酸钠干燥。在减压下去除溶剂,得到粗产品。将粗产物溶解在无水二氯甲烷(30 mL)中。然后,在室温下添加三氟乙酸(10.0 mL,134 mmol)。搅拌2小时后,将混合物倒入饱和碳酸氢钠溶液(50 mL)中。分离有机层,用二氯甲烷(50 mL×3)萃取水层。用盐水(50 mL)洗涤合并的有机相,然后使用无水硫酸钠干燥。然后在减压下去除溶剂,得到粗产品S2。将NHR2(10 mmol)溶解在无水二氯甲烷(10 mL)中,在0℃下逐滴添加到草酰氯(1.29 mL,15 mmol)的无水二氯甲烷(20 mL)溶液中。搅拌5分钟后,在0℃下逐滴添加三乙胺(1.46 mL,10.5 mmol)。然后,在室温下进一步搅拌混合物6小时。在减压下去除过量的草酰氯和溶剂。将粗产物溶解在二氯甲烷(15 mL)中并冷却至0°C。然后在0°C下逐滴添加化合物S2(2.5 g,5 mmol)的无水二氯甲烷(10 mL)溶液,然后添加三乙胺(0.75 mL,5.5 mmol)。然后在室温下将混合物搅拌12小时,然后用水(20 mL)淬灭。分离有机层,用二氯甲烷(10 mL×3)萃取水层。用盐水(20 mL)洗涤合并的有机相,然后使用无水硫酸钠干燥。在减压下去除溶剂后,通过硅胶柱色谱法(DCM/EtOAc 100:1 v/v)纯化所得残留物,得到相应的产物L13–L15。以L14为例,收率53%, 2.15 g; mp: 94−95 °C; [α]= −20.0 (c 0.10, CHCl3); 1H NMR (400 MHz, CDCl3) δ 8.80 (d, J = 8.2 Hz, 1H),7.72 – 7.66 (m, 1H), 7.43 – 7.23 (m, 13H), 7.10 (d, J = 7.2 Hz, 5H), 7.03 (d,J = 7.5 Hz, 3H), 6.97 – 6.87 (m, 2H), 6.77 (dt, J = 23.9, 7.7 Hz, 9H), 5.50(t, J = 9.2 Hz, 1H), 5.24 (t, J = 9.3 Hz, 1H), 4.76 (d, J = 15.2 Hz, 1H),4.55 (d, J = 14.3 Hz, 2H), 4.31 (d, J = 14.3 Hz, 1H), 3.77 (s, 6H); 13C NMR(100 MHz, CDCl3) δ 169.79, 162.47, 162.01, 159.14, 159.05, 141.22, 138.32,137.54, 137.07, 136.96, 136.60, 136.48, 135.04, 134.31, 134.08, 133.88,133.79, 133.59, 130.35, 130.11, 129.31, 129.04, 129.00, 128.93, 128.77,128.68, 128.61, 128.58, 128.51, 128.43, 128.35, 127.83, 127.75, 127.61,127.48, 114.04, 113.95, 60.16, 59.13, 55.29, 49.51, 47.35; 31P NMR (162 MHz,CDCl3) δ −11.75; IR (KBr) nmax: 3275, 3047, 1636, 1515, 1415, 1322, 1163,1111, 1065, 1017, 743, 695, 587, 501 cm-1 ; HRMS (ESI) m/z: calcd forC51H47N3O5P+ [M+H+ ] 812.3248, found 812.3245。
使用甲醇为溶剂、Pd2(dba)3·CHCl3(1.25mol%)为催化剂、手性草酰胺膦配体L14(结构式见图2,2.5mol%)为配体,进行以下底物拓展实验。
实施例一:
反应瓶中依次加入Pd2(dba)3·CHCl3 (2.6 mg,0.0025 mmol)、手性草酰胺膦配体(4.2 mg,0.005 mmol)、1a(61.9mg, 0.2 mmol),2 (44.7 mg, 0.2 mmol),加入2 mL甲醇,在-10℃下搅拌反应4小时,反应体系通过简单的柱层析(洗脱剂为乙酸乙酯:石油醚=1:5)即可得到目标产物3a(收率为96.9 mg, 91%),白色固体,mp 51-52 ℃,95% ee。在-10℃下搅拌反应4小时已经完成反应。
对产物3a进行分析,结果如下:95% ee, 用HPLC测定 [Daicel Chiralcel IA,hexanes/i-propanol = 85/15, flow rate = 1.0 mL/min, λ = 254.4 nm, t (major) =14.217, t (minor) = 15.924]; [α]= +55.0 (c 0.10, CHCl3); 1H NMR (400 MHz,CDCl3) δ 7.79 (d, J = 8.2 Hz, 1H), 7.56 (d, J = 8.0 Hz, 2H), 7.32- 6.95 (m,10H), 5.36 - 4.96 (m, 2H), 4.54 (t, J = 6.1 Hz, 1H), 3.21 (qt, J = 13.8, 6.1Hz, 2H), 2.84 (ddd, J = 42.2, 13.7, 7.1 Hz, 2H), 2.30 (s, 3H), 1.51 (s, 9H) ;13C NMR (101 MHz, CDCl3) δ 176.23, 149.21, 143.37, 139.70, 138.91, 136.92,130.20, 130.14, 129.70, 128.70. 128.65, 127.76, 127.65, 127.18, 127.15,125.22, 124.57, 115.13, 84.68, 77.53, 77.21, 76.89, 56.65, 44.94, 40.95,28.10, 21.53, 14.17; IR (KBr) v max: 3284, 2979, 1728, 1463, 1286, 1249, 1144,1091, 751, 659, 549 cm-1 ; HRMS (ESI) m/z: calcd for C30H32N2NaO5S+ [M+Na+]555.1925, found 555.1917. 以上数据证明目的产物合成成功。
实施例二:
反应瓶中依次加入Pd2(dba)3·CHCl3 (2.6 mg,0.0025 mmol)、手性草酰胺膦配体(4.2 mg,0.005 mmol)、1b(75.5mg, 0.2 mmol),2 (44.7 mg, 0.2 mmol),加入2 mL甲醇,在-10℃下搅拌反应4小时,反应体系通过简单的柱层析(洗脱剂为乙酸乙酯:石油醚=1:5)即可得到目标产物3b(收率为86.6 mg, 72%),白色固体,mp 41-42 ℃,97% ee。
对产物3b进行分析,结果如下:97% ee, 用HPLC测定 [Daicel Chiralcel OD,hexanes/i-propanol = 85/15, flow rate = 1.0 mL/min, λ = 254.4 nm, t (major) =13.122, t (minor) = 10.805]; [α]= +139.1 (c 0.10, CHCl3); 1H NMR (400 MHz,CDCl3) δ 7.91 (d, J = 8.2 Hz, 1H), 7.66 (d, J = 8.3 Hz, 2H), 7.57 - 7.48 (m,3H), 7.46 - 7.37 (m, 2H), 7.28 (d, J = 7.9 Hz, 2H), 7.24 (dd, J = 7.5, 1.1Hz, 1H), 7.15 (dd, J = 7.5, 1.4 Hz, 1H), 5.37 (dt, J = 15.2, 6.3 Hz, 1H),5.17 (ddd, J = 15.0, 8.0, 6.6 Hz, 1H), 4.31 (t, J = 6.0 Hz, 1H), 3.32 (tq, J= 13.9, 6.9, 6.1 Hz, 2H), 3.03 (dd, J = 13.6, 7.8 Hz, 1H), 2.88 (ddd, J =13.5, 6.6, 1.3 Hz, 1H), 2.42 (s, 3H), 1.62 (s, 9H) ; 13C NMR (101 MHz, CDCl3)δ 175.55, 149.02, 143.51, 139.85, 139.76, 136.78, 131.46, 131.14, 130.87,130.82, 130.62, 130.50, 129.72, 129.23, 129.14, 129.12, 128.00, 127.13,127.05, 125.06, 124.82, 124.79, 124.75, 124.72, 124.68, 124.02, 123.98,123.94, 123.90, 115.40, 85.03, 77.26, 56.50, 44.85, 41.32, 28.06, 21.51; 19FNMR (376 MHz, CDCl3) δ-62.49; IR (KBr) v max: 3284, 2981, 1731, 1464, 1325,1146, 753, 699, 658, 550 cm-1 ; HRMS (ESI) m/z: calcd for C31H31F3N2NaO5S+ [M+Na+] 623.1798, found 623.1768. 以上数据证明目的产物合成成功。
实施例三:
反应瓶中依次加入Pd2(dba)3·CHCl3 (2.6 mg,0.0025 mmol)、手性草酰胺膦配体(4.2 mg,0.005 mmol)、1c(65.5mg, 0.2 mmol),2 (44.7 mg, 0.2 mmol),加入2 mL甲醇,在-10℃下搅拌反应4小时,反应体系通过简单的柱层析(洗脱剂为乙酸乙酯:石油醚=1:5)即可得到目标产物3c(收率为96.9 mg, 91%),白色固体,mp 103-104 ℃,95% ee。
对产物3c进行分析,结果如下:95% ee, 用HPLC测定 [Daicel Chiralcel IA,hexanes/i-propanol = 85/15, flow rate = 1.0 mL/min, λ = 254.4 nm, t (major) =13.088, t (minor) = 15.727]; [α]= +84.1 (c 0.10, CHCl3); 1H NMR (400 MHz,CDCl3) δ 7.81 (d, J = 8.2 Hz, 1H), 7.58 (d, J = 7.9 Hz, 2H), 7.34 - 7.26 (m,1H), 7.23 - 7.11 (m, 4H), 7.09 - 7.04 (m, 1H), 6.99 (d, J = 7.9 Hz, 1H), 6.96- 6.83 (m, 2H), 5.27 (dt, J = 15.4, 6.3 Hz, 1H), 5.10 (dt, J = 15.0, 7.1 Hz,1H), 4.23 (t, J = 6.1 Hz, 1H), 3.25 (qt, J = 13.9, 6.2 Hz, 2H), 2.89 (dd, J =13.7, 7.8 Hz, 1H), 2.78 (dd, J = 13.7, 6.6 Hz, 1H), 2.33 (s, 3H), 1.53 (s,9H) ; 13C NMR (101 MHz, CDCl3) δ 175.61, 164.07, 161.62, 149.08, 143.47,141.34, 141.27, 139.70, 136.83, 130.36, 130.16, 130.08, 129.72, 129.51,128.93, 127.33, 127.13, 125.13, 124.67, 122.94, 122.91, 115.27, 114.87,114.68, 114.66, 114.45, 84.86, 56.42, 44.88, 41.05, 28.07, 21.52; 19F NMR (376MHz, CDCl3) δ-111.88; IR (KBr) v max: 3305, 2979, 2332, 1733, 1249, 1149, 963,744, 657, 532 cm-1 ; HRMS (ESI) m/z: calcd for C30H31FN2NaO5S+ [M+Na+] 573.1830,found 573.1837. 以上数据证明目的产物合成成功。
实施例四:
反应瓶中依次加入Pd2(dba)3·CHCl3 (2.6 mg,0.0025 mmol)、手性草酰胺膦配体(4.2 mg,0.005 mmol)、1d(68.8mg, 0.2 mmol),2 (44.7 mg, 0.2 mmol),加入2 mL甲醇,在-10℃下搅拌反应4小时,反应体系通过简单的柱层析(洗脱剂为乙酸乙酯:石油醚=1:5)即可得到目标产物3d(收率为109.0 mg, 96%),白色固体,mp 46-47 ℃,97% ee。
对产物3d进行分析,结果如下:97% ee, 用HPLC测定 [Daicel Chiralcel IA,hexanes/i-propanol = 85/15, flow rate = 1.0 mL/min, λ = 254.4 nm, t (major) =12.406, t (minor) = 15.259]; [α]= +88.1 (c 0.10, CHCl3); 1H NMR (400 MHz,CDCl3) δ 7.91 (dd, J = 8.2, 2.8 Hz, 1H), 7.68 (dd, J = 8.4, 2.9 Hz, 2H), 7.41(td, J = 7.9, 2.6 Hz, 1H), 7.25 (ddq, J = 17.5, 9.6, 3.7, 3.2 Hz, 7H), 7.16(dd, J = 7.5, 2.6 Hz, 1H), 5.42 - 5.30 (m, 1H), 5.27 - 5.14 (m, 1H), 4.31(td, J = 6.3, 2.7 Hz, 1H), 3.35 (dtq, J = 19.9, 14.1, 5.7 Hz, 2H), 3.00 (ddd,J = 14.0, 7.8, 2.8 Hz, 1H), 2.93 – 2.81 (m, 1H), 2.44 (d, J = 2.9 Hz, 3H),1.64 (s, 9H) ; 13C NMR (101 MHz, CDCl3) δ 175.56, 149.07, 143.47, 140.84,139.71, 136.83, 134.62, 130.42, 129.91, 129.72, 129.39, 128.97, 128.03,127.49, 127.28, 127.14, 125.53, 125.11, 124.72, 115.30, 84.90, 56.39, 44.88,41.05, 28.08, 21.53; IR (KBr) v max: 3281, 2980, 2361, 1731, 1287, 1145, 813,753, 659, 549 cm-1 ; HRMS (ESI) m/z: calcd for C30H31ClN2NaO5S+ [M+Na+] 589.1535,found 589.1539. 以上数据证明目的产物合成成功。
实施例五:
反应瓶中依次加入Pd2(dba)3·CHCl3 (2.6 mg,0.0025 mmol)、手性草酰胺膦配体(4.2 mg,0.005 mmol)、1e(64.7mg, 0.2 mmol),2 (44.7 mg, 0.2 mmol),加入2 mL甲醇,在-10℃下搅拌反应4小时,反应体系通过简单的柱层析(洗脱剂为乙酸乙酯:石油醚=1:5)即可得到目标产物3e(收率为91.6 mg, 83%),半固体,97% ee。
对产物3e进行分析,结果如下:96% ee, 用HPLC测定 [Daicel Chiralcel IA,hexanes/i-propanol = 85/15, flow rate = 1.0 mL/min, λ = 254.4 nm, t (major) =12.429, t (minor) = 13.960]; [α]= +129.1 (c 0.10, CHCl3); 1H NMR (400 MHz,CDCl3) δ 7.88 (d, J = 8.2 Hz, 1H), 7.70 - 7.62 (m, 2H), 7.36 (td, J = 7.9,1.5 Hz, 1H), 7.27 (d, J = 8.2 Hz, 2H), 7.23 - 7.11 (m, 3H), 7.10 - 7.02 (m,3H), 5.34 (dt, J = 15.0, 6.3 Hz, 1H), 5.24 - 5.11 (m, 1H), 4.25 (t, J = 6.1Hz, 1H), 3.32 (qt, J = 13.7, 6.2 Hz, 2H), 3.01 (dd, J = 13.6, 7.7 Hz, 1H),2.90 - 2.81 (m, 1H), 2.41 (s, 3H), 2.29 (s, 3H), 1.61 (s, 9H) ; 13C NMR (101MHz, CDCl3) δ 176.22, 149.26, 143.42, 139.72, 138.84, 138.37, 136.85, 130.37,129.94, 129.71, 128.58, 128.57, 128.53, 127.97, 127.80, 127.15, 125.14,124.52, 124.21, 115.09, 84.65, 56.64, 44.97, 40.93, 28.10, 21.60, 21.53; IR(KBr) v max: 3282, 2979, 2362, 1729, 1463, 1249, 1144, 754, 659, 549 cm-1 ; HRMS(ESI) m/z: calcd for C31H34N2NaO5S+ [M+Na+] 569.2081, found 569.2071. 以上数据证明目的产物合成成功。
实施例六:
反应瓶中依次加入Pd2(dba)3·CHCl3 (2.6 mg,0.0025 mmol)、手性草酰胺膦配体(4.2 mg,0.005 mmol)、1f(67.9mg, 0.2 mmol),2 (44.7 mg, 0.2 mmol),加入2 mL甲醇,在-10℃下搅拌反应4小时,反应体系通过简单的柱层析(洗脱剂为乙酸乙酯:石油醚=1:5)即可得到目标产物3f(收率为101.4 mg, 90%),半固体,93% ee。
对产物3f进行分析,结果如下:93% ee, 用HPLC测定 [Daicel Chiralcel IA,hexanes/i-propanol = 85/15, flow rate = 1.0 mL/min, λ = 254.4 nm, t (major) =16.432, t (minor) = 25.597]; [α]= +102.1 (c 0.10, CHCl3); 1H NMR (400 MHz,CDCl3) δ 7.90 (d, J = 8.2 Hz, 1H), 7.68 (d, J = 7.9 Hz, 2H), 7.43 - 7.35 (m,1H), 7.29 (d, J = 7.7 Hz, 2H), 7.23 (td, J = 7.7, 4.9 Hz, 2H), 7.19 - 7.13(m, 1H), 6.93 - 6.78 (m, 3H), 5.36 (dt, J = 15.4, 6.3 Hz, 1H), 5.21 (dt, J =15.0, 7.2 Hz, 1H), 4.30 (t, J = 6.1 Hz, 1H), 3.77 (s, 3H), 3.34 (qt, J =13.8, 6.1 Hz, 2H), 3.01 (dd, J = 13.7, 7.7 Hz, 1H), 2.90 (dd, J = 13.6, 6.5Hz, 1H), 2.43 (s, 3H), 1.63 (s, 9H) ; 13C NMR (101 MHz, CDCl3) δ 175.96,159.70, 149.20, 143.43, 140.40, 139.68, 136.81, 130.09, 130.00, 129.71,129.63, 128.67, 127.86, 127.14, 125.16, 124.52, 119.54, 115.12, 113.79,112.52, 84.66, 56.56, 55.24, 44.96, 40.91, 28.08, 21.53; IR (KBr) v max: 3284,2928, 1730, 1599, 1463, 1248, 1144, 752, 660, 550 cm-1 ; HRMS (ESI) m/z: calcdfor C31H34N2NaO6S+ [M+Na+] 585.2030, found 585.2025. 以上数据证明目的产物合成成功。
实施例七:
反应瓶中依次加入Pd2(dba)3·CHCl3 (2.6 mg,0.0025 mmol)、手性草酰胺膦配体(4.2 mg,0.005 mmol)、1g(65.5mg, 0.2 mmol),2 (44.7 mg, 0.2 mmol),加入2 mL甲醇,在-10℃下搅拌反应4小时,反应体系通过简单的柱层析(洗脱剂为乙酸乙酯:石油醚=1:5)即可得到目标产物3g(收率为105.0 mg, 96%),白色固体,mp 102-103 ℃,91% ee。
对产物3g进行分析,结果如下:91% ee, 用HPLC测定 [Daicel Chiralcel IA,hexanes/i-propanol = 85/15, flow rate = 1.0 mL/min, λ = 254.4 nm, t (major) =13.299, t (minor) = 15.660]; [α]= +89.7 (c 0.50, CHCl3); 1H NMR (400 MHz,CDCl3) δ 7.81 (d, J = 8.2 Hz, 1H), 7.58 (d, J = 8.1 Hz, 2H), 7.33 - 7.26 (m,1H), 7.22 - 7.04 (m, 6H), 6.89 (t, J = 8.6 Hz, 2H), 5.27 (dt, J = 15.2, 6.3Hz, 1H), 5.10 (dt, J = 14.9, 7.2 Hz, 1H), 4.26 (t, J = 6.1 Hz, 1H), 3.24 (qt,J = 13.9, 6.0 Hz, 2H), 2.83 (ddd, J = 49.9, 13.7, 7.2 Hz, 2H), 2.33 (s, 3H),1.53 (s, 9H) ; 13C NMR (101 MHz, CDCl3) δ 176.05, 163.49, 161.03, 149.14,143.45, 139.70, 136.83, 134.58, 134.55, 130.26, 129.84, 129.71, 129.04,128.96, 128.83, 127.48, 127.13, 125.13, 124.63, 115.63, 115.42, 115.25,84.81, 56.07, 44.89, 41.23, 28.07, 21.52; 19F NMR (376 MHz, CDCl3) δ-114.55;IR (KBr) v max: 3278, 2918, 2362, 1732, 1507, 1339, 1154, 774, 660, 551 cm-1 ;HRMS (ESI) m/z: calcd for C30H31FN2NaO5S+ [M+Na+] 573.1830, found 573.1830. 以上数据证明目的产物合成成功。
实施例八:
反应瓶中依次加入Pd2(dba)3·CHCl3 (2.6 mg,0.0025 mmol)、手性草酰胺膦配体(4.2 mg,0.005 mmol)、1h(68.8mg, 0.2 mmol),2 (44.7 mg, 0.2 mmol),加入2 mL甲醇,在-10℃下搅拌反应4小时,反应体系通过简单的柱层析(洗脱剂为乙酸乙酯:石油醚=1:5)即可得到目标产物3h(收率为100.6 mg, 88%),白色固体,mp 55-56 ℃,93% ee。
对产物3h进行分析,结果如下:93% ee, 用HPLC测定 [Daicel Chiralcel IA,hexanes/i-propanol = 85/15, flow rate = 1.0 mL/min, λ = 254.4 nm, t (major) =14.191, t (minor) = 16.642]; [α]= +77.8 (c 0.50, CHCl3); 1H NMR (400 MHz,CDCl3) δ 7.89 (d, J = 8.2 Hz, 1H), 7.69 - 7.62 (m, 2H), 7.38 (td, J = 7.9,1.5 Hz, 1H), 7.30 - 7.26 (m, 3H), 7.26 - 7.20 (m, 4H), 7.13 (dd, J = 7.6, 1.4Hz, 1H), 5.35 (dt, J = 15.2, 6.3 Hz, 1H), 5.23 - 5.12 (m, 1H), 4.19 (t, J =6.1 Hz, 1H), 3.41 - 3.24 (m, 2H), 2.98 (dd, J = 13.7, 7.7 Hz, 1H), 2.90 -2.80(m, 1H), 2.42 (s, 3H), 1.61 (s, 9H) ; 13C NMR (101 MHz, CDCl3) δ 175.76,149.10, 143.48, 139.73, 137.31, 136.80, 133.90, 130.34, 129.72, 129.58,128.91, 128.82, 128.65, 127.42, 127.13, 125.08, 124.66, 115.28, 84.87, 56.19,44.89, 41.06, 28.07, 21.53; IR (KBr) v max: 3277, 2973, 2325, 1732, 1507, 1339,1148, 815, 756, 662, 550 cm-1 ; calcd for C30H31ClN2NaO5S+ [M+Na+] 589.1535,found 589.1536. 以上数据证明目的产物合成成功。
实施例九:
反应瓶中依次加入Pd2(dba)3·CHCl3 (2.6 mg,0.0025 mmol)、手性草酰胺膦配体(4.2 mg,0.005 mmol)、1i(77.7mg, 0.2 mmol),2 (44.7 mg, 0.2 mmol),加入2 mL甲醇,在-10℃下搅拌反应4小时,反应体系通过简单的柱层析(洗脱剂为乙酸乙酯:石油醚=1:5)即可得到目标产物3i(收率为105.7 mg, 86%),白色固体,mp 57-58 ℃,92% ee。
对产物3i进行分析,结果如下:92% ee, 用HPLC测定 [Daicel Chiralcel IA,hexanes/i-propanol = 85/15, flow rate = 1.0 mL/min, λ = 254.4 nm, t (major) =15.529, t (minor) = 18.069]; [α]= +63.1 (c 0.50, CHCl3); 1H NMR (400 MHz,CDCl3) δ 7.91 (d, J = 8.0 Hz, 1H), 7.71 - 7.63 (m, 2H), 7.41 (dd, J = 14.6,8.4 Hz, 3H), 7.30 (s, 2H), 7.27 - 7.13 (m, 4H), 5.37 (dt, J = 15.3, 6.3 Hz,1H), 5.25 - 5.14 (m, 1H), 4.39 (t, J = 6.1 Hz, 1H), 3.34 (qt, J = 13.9, 6.2Hz, 2H), 2.98 (dd, J = 13.7, 7.9 Hz, 1H), 2.87 (dd, J = 13.7, 6.7 Hz, 1H),2.43 (s, 3H), 1.63 (s, 9H) ; 13C NMR (101 MHz, CDCl3) δ 175.72, 149.09,143.47, 139.69, 137.84, 136.77, 131.77, 130.37, 129.73, 129.48, 129.02,128.92, 127.32, 127.13, 125.12, 124.68, 122.08, 115.29, 84.87, 56.23, 44.89,40.98, 28.07, 21.55; IR (KBr) v max: 3286, 2360, 1732, 1457, 1339, 1147, 814,756, 660, 550 cm-1 ; calcd for C30H31BrN2NaO5S+ [M+Na+] 635.1009, found 635.0951.以上数据证明目的产物合成成功。
实施例十:
反应瓶中依次加入Pd2(dba)3·CHCl3 (2.6 mg,0.0025 mmol)、手性草酰胺膦配体(4.2 mg,0.005 mmol)、1j(64.7mg, 0.2 mmol),2 (44.7 mg, 0.2 mmol),加入2 mL甲醇,在-10℃下搅拌反应4小时,反应体系通过简单的柱层析(洗脱剂为乙酸乙酯:石油醚=1:5)即可得到目标产物3j(收率为108.9 mg, 99%),白色固体,mp 46-47 ℃,92% ee。
对产物3j进行分析,结果如下:92% ee, 用HPLC测定 [Daicel Chiralcel IA,hexanes/i-propanol = 85/15, flow rate = 1.0 mL/min, λ = 254.4 nm, t (major) =13.901, t (minor) = 17.952]; [α]= +71.2 (c 0.50, CHCl3); 1H NMR (400 MHz,CDCl3) δ 7.91 - 7.77 (m, 1H), 7.70 - 7.61 (m, 2H), 7.36 (td, J = 7.9, 1.5 Hz,1H), 7.29 - 7.24 (m, 2H), 7.22 - 7.07 (m, 6H), 5.33 (dt, J = 15.2, 6.3 Hz,1H), 5.26 -5.14 (m, 1H), 4.33 - 4.21 (m, 1H), 3.32 (tq, J = 14.1, 7.9, 6.9Hz, 2H), 3.00 (dd, J = 13.7, 7.7 Hz, 1H), 2.91 -2.80 (m, 1H), 2.41 (s, 3H),2.29 (s, 3H), 1.60 (s, 9H) ; 13C NMR (101 MHz, CDCl3) δ 176.27, 149.27,143.44, 139.73, 137.57, 136.82, 135.92, 130.34, 129.89, 129.71, 129.40,128.58, 128.01, 127.15, 127.04, 125.13, 124.50, 115.11, 84.61, 56.36, 44.98,40.92, 28.09, 21.54, 20.97; IR (KBr) v max: 3278, 2360, 1732, 1507, 1339, 1145,812, 754, 659, 549 cm-1 ; calcd for C31H34N2NaO5S+ [M+Na+] 569.2081, found569.2081. 以上数据证明目的产物合成成功。
实施例十一:
反应瓶中依次加入Pd2(dba)3·CHCl3 (2.6 mg,0.0025 mmol)、手性草酰胺膦配体(4.2 mg,0.005 mmol)、1k(67.9mg, 0.2 mmol),2(44.7 mg, 0.2 mmol),加入2 mL甲醇,在-10℃下搅拌反应4小时,反应体系通过简单的柱层析(洗脱剂为乙酸乙酯:石油醚=1:5)即可得到目标产物3k(收率为101.1 mg, 89%),白色固体,mp 51-52 ℃,92% ee。
对产物3k进行分析,结果如下:92% ee, 用HPLC测定 [Daicel Chiralcel IA,hexanes/i-propanol = 85/15, flow rate = 1.0 mL/min, λ = 254.4 nm, t (major) =17.968, t (minor) = 24.550]; [α]= +76.8 (c 0.50, CHCl3); 1H NMR (400 MHz,CDCl3) δ 7.88 (d, J = 8.2 Hz, 1H), 7.69 - 7.62 (m, 2H), 7.36 (td, J = 7.9,1.5 Hz, 1H), 7.29 - 7.25 (m, 2H), 7.23 - 7.16 (m, 3H), 7.14 (dd, J = 7.5, 1.5Hz, 1H), 6.86 - 6.77 (m, 2H), 5.33 (dt, J = 15.2, 6.3 Hz, 1H), 5.25 - 5.13(m, 1H), 4.27 (t, J = 6.2 Hz, 1H), 3.75 (s, 3H), 3.32 (qt, J = 13.7, 6.2 Hz,2H), 2.98 (dd, J = 13.7, 7.7 Hz, 1H), 2.89 - 2.80 (m, 1H), 2.41 (s, 3H), 1.60(s, 9H) ; 13C NMR (101 MHz, CDCl3) δ 176.38, 159.10, 149.27, 143.42, 139.72,136.85, 130.86, 130.33, 129.90, 129.71, 128.59, 128.34, 127.99, 127.14,125.14, 124.49, 115.12, 114.04, 84.60, 55.98, 55.28, 44.97, 41.06, 28.09,21.53; IR (KBr) v max: 3274, 2362, 1716, 1508, 1249, 1146, 815, 755, 660, 550cm-1 ; calcd for C31H34N2NaO6S+ [M+Na+] 585.2030, found 585.2022. 以上数据证明目的产物合成成功。
实施例十二:
反应瓶中依次加入Pd2(dba)3·CHCl3 (2.6 mg,0.0025 mmol)、手性草酰胺膦配体(4.2 mg,0.005 mmol)、1l(70.5mg, 0.2 mmol),2 (44.7 mg, 0.2 mmol),加入2 mL甲醇,在-10℃下搅拌反应4小时,反应体系通过简单的柱层析(洗脱剂为乙酸乙酯:石油醚=1:5)即可得到目标产物3l(收率为107.3 mg, 93%),白色固体,mp 55-56 ℃,93% ee。
对产物3l进行分析,结果如下:93% ee, 用HPLC测定 [Daicel Chiralcel IA,hexanes/i-propanol = 85/15, flow rate = 1.0 mL/min, λ = 254.4 nm, t (major) =18.393, t (minor) = 27.606]; [α]= +65.6 (c 0.50, CHCl3); 1H NMR (400 MHz,CDCl3) δ 7.91 (d, J = 8.2 Hz, 1H), 7.68 (d, J = 8.0 Hz, 2H), 7.38 (td, J =7.8, 1.6 Hz, 1H), 7.32 - 7.28 (m, 2H), 7.23 (td, J = 7.4, 1.1 Hz, 1H), 7.20 -7.11 (m, 3H), 6.70 - 6.59 (m, 2H), 5.35 (dt, J = 15.2, 6.3 Hz, 1H), 5.23 (dt,J = 15.0, 6.9 Hz, 1H), 4.28 (t, J = 6.1 Hz, 1H), 3.35 (dtd, J = 20.3, 13.8,6.8 Hz, 2H), 3.00 (dd, J = 13.7, 7.5 Hz, 1H), 2.93 (s, 6H), 2.86 (dd, J =13.8, 6.5 Hz, 1H), 2.44 (s, 3H), 1.63 (s, 9H) ; 13C NMR (101 MHz, CDCl3) δ176.62, 149.91, 149.40, 143.41, 139.74, 136.81, 130.64, 129.71, 129.57,128.45, 128.39, 127.87, 127.15, 126.19, 125.18, 124.36, 115.04, 112.40,84.41, 55.82, 45.05, 40.92, 40.41, 28.10, 21.55; IR (KBr) v max: 3274, 2360,1717, 1520, 1287, 1146, 813, 754, 661, 550 cm-1 ; calcd for C32H37N3NaO5S+ [M+Na+] 598.2347, found 598.2337. 以上数据证明目的产物合成成功。
实施例十三:
反应瓶中依次加入Pd2(dba)3·CHCl3 (2.6 mg,0.0025 mmol)、手性草酰胺膦配体(4.2 mg,0.005 mmol)、1m(67.5mg, 0.2 mmol),2 (44.7 mg, 0.2 mmol),加入2 mL甲醇,在-10℃下搅拌反应4小时,反应体系通过简单的柱层析(洗脱剂为乙酸乙酯:石油醚=1:5)即可得到目标产物3m(收率为108.2 mg, 96%),半固体,92% ee。
对产物3m进行分析,结果如下:92% ee, 用HPLC测定 [Daicel Chiralcel IA,hexanes/i-propanol = 85/15, flow rate = 1.0 mL/min, λ = 254.4 nm, t (major) =13.728, t (minor) = 16.746]; [α]= +66.2 (c 0.50, CHCl3); 1H NMR (400 MHz,CDCl3) δ 7.91 (d, J = 8.2 Hz, 1H), 7.73 - 7.64 (m, 2H), 7.39 (td, J = 7.9,1.5 Hz, 1H), 7.30 (d, J = 8.0 Hz, 2H), 7.26- 7.19 (m, 3H), 7.18 - 7.12 (m,3H), 5.41 - 5.30 (m, 1H), 5.26 - 5.16 (m, 1H), 4.18 (t, J = 6.1 Hz, 1H), 3.35(qt, J = 13.6, 6.2 Hz, 2H), 3.05 (dd, J = 13.7, 7.7 Hz, 1H), 2.89 (dd, J =13.3, 6.8 Hz, 1H), 2.63 (q, J = 7.6 Hz, 2H), 2.44 (s, 3H), 1.63 (s, 9H), 1.22(t, J = 7.6 Hz, 3H) ; 13C NMR (101 MHz, CDCl3) δ 176.28, 149.27, 143.84,143.45, 139.74, 136.78, 136.10, 130.33, 129.85, 129.72, 128.58, 128.20,128.09, 127.14, 127.08, 125.13, 124.48, 115.10, 84.63, 56.40, 44.98, 40.96,28.34, 28.09, 21.54, 15.39; IR (KBr) v max: 3282, 2966, 1729, 1287, 1145, 814,750, 661, 549 cm-1 ; calcd for C32H36N2NaO5S+ [M+Na+] 583.2238, found 583.2256.以上数据证明目的产物合成成功。
实施例十四:
反应瓶中依次加入Pd2(dba)3·CHCl3 (2.6 mg,0.0025 mmol)、手性草酰胺膦配体(4.2 mg,0.005 mmol)、1n(73.1mg, 0.2 mmol),2 (44.7 mg, 0.2 mmol),加入2 mL甲醇,在-10℃下搅拌反应4小时,反应体系通过简单的柱层析(洗脱剂为乙酸乙酯:石油醚=1:5)即可得到目标产物3n(收率为107.8 mg, 91%),白色固体,mp 62-63 ℃,88% ee。
对产物3n进行分析,结果如下:88% ee, 用HPLC测定 [Daicel Chiralcel IA,hexanes/i-propanol = 85/15, flow rate = 1.0 mL/min, λ = 254.4 nm, t (major) =10.116, t (minor) = 12.148]; [α]= +55.6 (c 0.50, CHCl3); 1H NMR (400 MHz,CDCl3) δ 7.88 (d, J = 8.2 Hz, 1H), 7.69 - 7.62 (m, 2H), 7.36 (td, J = 7.9,1.6 Hz, 1H), 7.32 - 7.25 (m, 4H), 7.24 - 7.17 (m, 3H), 7.15 (dd, J = 7.5, 1.5Hz, 1H), 5.33 (dt, J = 15.3, 6.3 Hz, 1H), 5.25 - 5.13 (m, 1H), 4.22 (t, J =6.1 Hz, 1H), 3.32 (dtt, J = 20.2, 13.6, 6.1 Hz, 2H), 3.03 (dd, J = 13.7, 7.6Hz, 1H), 2.91 - 2.81 (m, 1H), 2.41 (s, 3H), 1.61 (s, 9H), 1.27 (s, 9H) ; 13CNMR (101 MHz, CDCl3) δ 176.30, 150.63, 149.26, 143.41, 139.76, 136.87,135.86, 130.31, 129.88, 129.70, 128.56, 128.05, 127.15, 126.78, 125.64,125.18, 124.46, 115.09, 84.61, 56.37, 44.97, 40.98, 34.44, 31.25, 28.10,21.53; IR (KBr) v max: 3273, 2961, 2363, 1732, 1457, 1249, 1147, 814, 754, 660,550 cm-1 ; calcd for C34H40N2NaO5S+ [M+Na+] 611.2551, found 611.2550. 以上数据证明目的产物合成成功。
实施例十五:
反应瓶中依次加入Pd2(dba)3·CHCl3 (2.6 mg,0.0025 mmol)、手性草酰胺膦配体(4.2 mg,0.005 mmol)、1o(77.1mg, 0.2 mmol),2 (44.7 mg, 0.2 mmol),加入2 mL甲醇,在-10℃下搅拌反应4小时,反应体系通过简单的柱层析(洗脱剂为乙酸乙酯:石油醚=1:5)即可得到目标产物3o(收率为109.1 mg, 90%),白色固体,mp 58-59 ℃,90% ee。
对产物3o进行分析,结果如下:90% ee, 用HPLC测定 [Daicel Chiralcel IA,hexanes/i-propanol = 85/15, flow rate = 1.0 mL/min, λ = 254.4 nm, t (major) =20.584, t (minor) = 28.281]; [α]= +48.6 (c 0.5, CHCl3); 1H NMR (400 MHz,CDCl3) δ 7.95 (d, J = 8.1 Hz, 1H), 7.73 - 7.66 (m, 2H), 7.56 (td, J = 7.0,1.7 Hz, 4H), 7.48 - 7.33 (m, 6H), 7.29 (t, J = 7.6 Hz, 3H), 7.23 (td, J =7.5, 1.3 Hz, 1H), 5.41 (dt, J = 15.3, 6.3 Hz, 1H), 5.26 (dt, J = 15.0, 7.1Hz, 1H), 4.39 (t, J = 6.1 Hz, 1H), 3.37 (qt, J = 13.8, 6.1 Hz, 2H), 3.09 (dd,J = 13.7, 7.7 Hz, 1H), 2.96 (dd, J = 13.6, 6.5 Hz, 1H), 2.44 (s, 3H), 1.65(s, 9H) ; 13C NMR (101 MHz, CDCl3) δ 176.17, 149.24, 143.46, 140.67, 140.39,139.77, 137.86, 136.82, 130.13, 130.11, 129.74, 128.84, 128.75, 127.79,127.64, 127.51, 127.40, 127.16, 127.08, 125.23, 124.63, 115.22, 84.75, 56.49,44.98, 41.01, 28.11, 21.56; IR (KBr) v max: 3273, 2983, 2361, 1716, 1521, 1287,1147, 756, 697, 660, 551 cm-1 ; calcd for C36H36N2NaO5S+ [M+Na+] 631.2238, found631.2211. 以上数据证明目的产物合成成功。
实施例十六:
反应瓶中依次加入Pd2(dba)3·CHCl3 (2.6 mg,0.0025 mmol)、手性草酰胺膦配体(4.2 mg,0.005 mmol)、1p(79.9mg, 0.2 mmol),2 (44.7 mg, 0.2 mmol),加入2 mL甲醇,在-10℃下搅拌反应4小时,反应体系通过简单的柱层析(洗脱剂为乙酸乙酯:石油醚=1:5)即可得到目标产物3p(收率为101.9 mg, 82%),白色固体,mp 43-44 ℃,99% ee。
对产物3p进行分析,结果如下:99% ee, 用HPLC测定 [Daicel Chiralcel IA,hexanes/i-propanol = 90/10, flow rate = 1.0 mL/min, λ = 254.4 nm, t (major) =12.742, t (minor) = 14.726]; [α]= -53.8 (c 0.10, CHCl3); 1H NMR (400 MHz,CDCl3) δ 7.79 (d, J = 8.2 Hz, 1H), 7.70 - 7.65 (m, 2H), 7.36 (td, J = 7.8,1.4 Hz, 1H), 7.28 (d, J = 8.0 Hz, 2H), 7.16 (td, J = 7.5, 1.0 Hz, 1H), 7.07(dd, J = 7.5, 1.4 Hz, 1H), 5.35 - 5.18 (m, 2H), 4.37 (s, 1H), 3.35 (ddt, J =14.7, 11.2, 5.5 Hz, 2H), 3.13 - 3.02 (m, 2H), 2.42 (s, 3H), 1.65 (s, 9H) ; 13CNMR (101 MHz, CDCl3) δ 174.28, 148.86, 143.44, 139.38, 139.08, 136.83,136.56, 131.48, 129.69, 129.42, 129.18, 129.13, 127.12, 127.08, 125.62,125.17, 123.13, 115.09, 85.33, 54.22, 44.83, 39.73, 39.67, 39.61, 28.06,21.50 ; 19F NMR (376 MHz, CDCl3) δ-136.80 (d, J = 21.0 Hz), -153.48 (t, J =21.2 Hz), -160.72 (td, J = 22.0, 6.7 Hz). IR (KBr) v max: 3285, 2926, 2356,1733, 1488, 1288, 1148, 973, 753, 662, 550 cm-1 ; calcd for C30H27F5N2NaO5S+ [M+Na+] 645.1454, found 645.1447. 以上数据证明目的产物合成成功。
实施例十七:
反应瓶中依次加入Pd2(dba)3·CHCl3 (2.6 mg,0.0025 mmol)、手性草酰胺膦配体(4.2 mg,0.005 mmol)、1q(67.5mg, 0.2 mmol),2(44.7 mg, 0.2 mmol),加入2 mL甲醇,在-10℃下搅拌反应4小时,反应体系通过简单的柱层析(洗脱剂为乙酸乙酯:石油醚=1:5)即可得到目标产物3q(收率为84.8 mg, 76%),半固体,96% ee。
对产物3q进行分析,结果如下:96% ee, 用HPLC测定 [Daicel Chiralcel OD,hexanes/i-propanol = 90/10, flow rate = 1.0 mL/min, λ = 254.4 nm, t (major) =19.218, t (minor) = 15.699]; [α]= +134.4 (c 0.10, CHCl3); 1H NMR (400 MHz,CDCl3) δ 7.80 (d, J = 8.1 Hz, 1H), 7.62 - 7.54 (m, 2H), 7.29 (td, J = 7.8,1.4 Hz, 1H), 7.19 (d, J = 8.0 Hz, 2H), 7.13 (td, J = 7.5, 1.1 Hz, 1H), 7.05(dd, J = 7.5, 1.5 Hz, 1H), 6.82 (s, 1H), 6.78 (d, J = 1.5 Hz, 2H), 5.25 (dt,J = 15.3, 6.3 Hz, 1H), 5.16 - 5.04 (m, 1H), 4.09 (t, J = 6.1 Hz, 1H), 3.33 -3.15 (m, 2H), 2.94 (dd, J = 13.6, 7.7 Hz, 1H), 2.82 - 2.73 (m, 1H), 2.34 (s,3H), 2.17 (s, 6H), 1.54 (s, 9H) ; 13C NMR (101 MHz, CDCl3) δ 176.27, 149.29,143.43, 139.69, 138.80, 138.18, 136.81, 130.53, 129.82, 129.71, 129.50,128.52, 128.13, 127.14, 125.11, 124.88, 124.51, 115.03, 84.61, 56.60, 44.99,40.90, 28.10, 21.53, 21.47 ; IR (KBr) v max: 3279, 2922, 1728, 1599, 1463,1249, 1145, 751, 660, 549 cm-1 ; calcd for C32H36N2NaO5S+ [M+Na+] 583.2238, found583.2301. 以上数据证明目的产物合成成功。
实施例十八:
反应瓶中依次加入Pd2(dba)3·CHCl3 (2.6 mg,0.0025 mmol)、手性草酰胺膦配体(4.2 mg,0.005 mmol)、1r(65.5mg, 0.2 mmol),2 (44.7 mg, 0.2 mmol),加入2 mL甲醇,在-10℃下搅拌反应4小时,反应体系通过简单的柱层析(洗脱剂为乙酸乙酯:石油醚=1:5)即可得到目标产物3r(收率为105.4 mg, 96%),白色固体,mp 63-64 ℃,95% ee。
对产物3r进行分析,结果如下:95% ee, 用HPLC测定 [Daicel Chiralcel IA,hexanes/i-propanol = 85/15, flow rate = 1.0 mL/min, λ = 254.4 nm, t (major) =13.308, t (minor) = 16.496]; [α]= +53.4 (c 0.50, CHCl3); 1H NMR (400 MHz,CDCl3) δ 7.89 (dd, J = 9.0, 4.6 Hz, 1H), 7.69 - 7.63 (m, 2H), 7.34 - 7.24 (m,7H), 7.06 (td, J = 8.9, 2.7 Hz, 1H), 6.86 (dd, J = 7.8, 2.7 Hz, 1H), 5.37(dt, J = 15.2, 6.2 Hz, 1H), 5.29 - 5.13 (m, 1H), 4.34 (t, J = 6.1 Hz, 1H),3.35 (q, J = 6.2 Hz, 2H), 3.01 (dd, J = 13.8, 7.9 Hz, 1H), 2.86 (ddd, J =13.8, 6.5, 1.3 Hz, 1H), 2.41 (s, 3H), 1.60 (s, 9H) ; 13C NMR (101 MHz, CDCl3)δ 175.70, 161.06, 158.63, 149.15, 143.48, 138.29, 136.86, 135.68, 132.19,132.11, 130.47, 129.73, 128.85, 128.00, 127.19, 127.14, 127.02, 116.61,116.53, 115.40, 115.18, 112.52, 112.28, 84.90, 56.90, 56.88, 44.85, 40.74,28.07, 21.52 ; 19F NMR (376 MHz, CDCl3) δ-117.02 ; IR (KBr) v max: 2324, 1732,1541, 1474, 1295, 1143, 814, 719, 695, 658, 549 cm-1 ; calcd for C30H31FN2NaO5S+ [M+Na+] 573.1830, found 573.1835. 以上数据证明目的产物合成成功。
实施例十九:
反应瓶中依次加入Pd2(dba)3·CHCl3 (2.6 mg,0.0025 mmol)、手性草酰胺膦配体(4.2 mg,0.005 mmol)、1s(68.8mg, 0.2 mmol),2 (44.7 mg, 0.2 mmol),加入2 mL甲醇,在-10℃下搅拌反应4小时,反应体系通过简单的柱层析(洗脱剂为乙酸乙酯:石油醚=1:5)即可得到目标产物3s(收率为104.1 mg, 92%),白色固体,mp 63-64 ℃,96% ee。
对产物3s进行分析,结果如下:96% ee, 用HPLC测定 [Daicel Chiralcel IA,hexanes/i-propanol = 85/15, flow rate = 1.0 mL/min, λ = 254.4 nm, t (major) =12.980, t (minor) = 18.289]; [α]= +101.1 (c 0.10, CHCl3); 1H NMR (400 MHz,CDCl3) δ 7.88 (d, J = 8.8 Hz, 1H), 7.69 (d, J = 8.1 Hz, 2H), 7.38 - 7.34 (m,2H), 7.31 (t, J = 4.9 Hz, 3H), 7.30 - 7.28 (m, 2H), 7.26 (d, J = 1.5 Hz, 1H),7.14 (d, J = 2.3 Hz, 1H), 5.40 (dt, J = 15.2, 6.3 Hz, 1H), 5.27 - 5.15 (m,1H), 4.38 (t, J = 6.0 Hz, 1H), 3.38 (d, J = 6.8 Hz, 2H), 3.03 (dd, J = 13.7,8.0 Hz, 1H), 2.89 (dd, J = 13.7, 6.3 Hz, 1H), 2.44 (s, 3H), 1.63 (s, 9H) ; 13CNMR (101 MHz, CDCl3) δ 175.41, 149.02, 143.48, 138.28, 138.18, 136.81,132.13, 130.56, 129.98, 129.73, 128.88, 128.74, 128.04, 127.16, 127.15,127.02, 125.12, 116.49, 85.09, 56.76, 44.86, 40.70, 28.06, 21.54 ; IR (KBr)v max: 3279, 2985, 1731, 1472, 1333, 1292, 1150, 815, 696, 663, 551 cm-1 ; calcdfor C30H31ClN2NaO5S+ [M+Na+] 589.1535, found 589.1538. 以上数据证明目的产物合成成功。
实施例二十:
反应瓶中依次加入Pd2(dba)3·CHCl3 (2.6 mg,0.0025 mmol)、手性草酰胺膦配体(4.2 mg,0.005 mmol)、1t(77.7mg, 0.2 mmol),2(44.7 mg, 0.2 mmol),加入2 mL甲醇,在-10℃下搅拌反应4小时,反应体系通过简单的柱层析(洗脱剂为乙酸乙酯:石油醚=1:5)即可得到目标产物3t(收率为121.8 mg, 99%),白色固体,mp 63-64 ℃,96% ee。
对产物3t进行分析,结果如下:96% ee, 用HPLC测定 [Daicel Chiralcel IA,hexanes/i-propanol = 85/15, flow rate = 1.0 mL/min, λ = 254.4 nm, t (major) =13.207, t (minor) = 19.183]; [α]= +92.1 (c 0.10, CHCl3); 1H NMR (400 MHz,CDCl3) δ 7.83 (dd, J = 9.2, 3.8 Hz, 1H), 7.69 (dd, J = 8.0, 3.8 Hz, 2H), 7.54- 7.48 (m, 1H), 7.31 (dt, J = 13.6, 6.7 Hz, 8H), 5.40 (dt, J = 15.7, 5.6 Hz,1H), 5.21 (dt, J = 14.9, 6.7 Hz, 1H), 4.37 (t, J = 5.8 Hz, 1H), 3.37 (t, J =5.9 Hz, 2H), 3.07 - 2.97 (m, 1H), 2.95 - 2.84 (m, 1H), 2.44 (d, J = 3.6 Hz,3H), 1.62 (s, 9H) ; 13C NMR (101 MHz, CDCl3) δ 175.27, 149.00, 143.47, 138.79,138.16, 136.81, 132.49, 131.65, 130.60, 129.74, 128.89, 128.04, 127.97,127.16, 127.02, 117.47, 116.89, 85.11, 56.70, 44.87, 40.70, 28.06, 21.55 ; IR(KBr) v max: 2924, 2364, 1732, 1472, 1330, 1289, 1147, 813, 659, 549 cm-1 ;calcd for C30H31BrN2NaO5S+ [M+Na+] 635.1009, found 635.1011. 以上数据证明目的产物合成成功。
实施例二十一:
反应瓶中依次加入Pd2(dba)3·CHCl3 (2.6 mg,0.0025 mmol)、手性草酰胺膦配体(4.2 mg,0.005 mmol)、1u(64.7mg, 0.2 mmol),2 (44.7 mg, 0.2 mmol),加入2 mL甲醇,在-10℃下搅拌反应4小时,反应体系通过简单的柱层析(洗脱剂为乙酸乙酯:石油醚=1:5)即可得到目标产物3u(收率为95.0 mg, 87%),白色固体,mp 56-57 ℃,96% ee。
对产物3u进行分析,结果如下:96% ee, 用HPLC测定 [Daicel Chiralcel IA,hexanes/i-propanol = 85/15, flow rate = 1.0 mL/min, λ = 254.4 nm, t (major) =12.595, t (minor) = 17.114]; [α]= +65.6 (c 0.50, CHCl3); 1H NMR (400 MHz,CDCl3) δ 7.78 (d, J = 8.3 Hz, 1H), 7.72 - 7.65 (m, 2H), 7.33 - 7.27 (m, 7H),7.19 (dd, J = 8.3, 1.9 Hz, 1H), 6.98 (d, J = 1.9 Hz, 1H), 5.39 (dt, J = 15.1,6.4 Hz, 1H), 5.27 - 5.15 (m, 1H), 4.33 (t, J = 6.0 Hz, 1H), 3.34 (qt, J =13.6, 6.2 Hz, 2H), 3.05 (dd, J = 13.6, 7.8 Hz, 1H), 2.93 - 2.84 (m, 1H), 2.44(s, 3H), 2.39 (s, 3H), 1.63 (s, 9H) ; 13C NMR (101 MHz, CDCl3) δ 176.35,149.27, 143.43, 139.11, 137.33, 136.79, 134.27, 130.23, 129.94, 129.71,129.18, 128.68, 127.98, 127.71, 127.18, 127.15, 125.57, 114.90, 84.52, 56.78,44.98, 40.81, 28.10, 21.54, 21.23 ; IR (KBr) v max: 3262, 2928, 2364, 1731,1474, 1336, 1152, 814, 662, 550 cm-1 ; calcd for C31H34N2NaO5S+ [M+Na+] 569.2081,found 569.2078. 以上数据证明目的产物合成成功。
实施例二十二:
反应瓶中依次加入Pd2(dba)3·CHCl3 (2.6 mg,0.0025 mmol)、手性草酰胺膦配体(4.2 mg,0.005 mmol)、1v(67.9mg, 0.2 mmol),2 (44.7 mg, 0.2 mmol),加入2 mL甲醇,在-10℃下搅拌反应4小时,反应体系通过简单的柱层析(洗脱剂为乙酸乙酯:石油醚=1:5)即可得到目标产物3v(收率为96.0 mg, 80%),白色固体,mp 57-58 ℃,94% ee。
对产物3v进行分析,结果如下:94% ee, 用HPLC测定 [Daicel Chiralcel IA,hexanes/i-propanol = 85/15, flow rate = 1.0 mL/min, λ = 254.4 nm, t (major) =18.345, t (minor) = 24.322]; [α]= +81.1 (c 0.10, CHCl3); 1H NMR (400 MHz,CDCl3) δ 7.84 (d, J = 8.9 Hz, 1H), 7.68 (d, J = 8.0 Hz, 2H), 7.30 (q, J =4.7, 4.2 Hz, 7H), 6.92 (dd, J = 9.0, 2.7 Hz, 1H), 6.73 (d, J = 2.7 Hz, 1H),5.38 (dt, J = 15.3, 6.4 Hz, 1H), 5.22 (dt, J = 15.0, 7.1 Hz, 1H), 4.35 (t, J= 6.1 Hz, 1H), 3.82 (s, 3H), 3.35 (qd, J = 14.4, 14.0, 6.8 Hz, 2H), 3.04 (dd,J = 13.6, 7.8 Hz, 1H), 2.88 (dd, J = 13.6, 6.5 Hz, 1H), 2.43 (s, 3H), 1.62(s, 9H) ; 13C NMR (101 MHz, CDCl3) δ 176.17, 156.83, 149.27, 143.43, 138.82,136.80, 133.10, 131.58, 130.07, 129.72, 128.72, 127.84, 127.78, 127.17,127.14, 116.05, 113.11, 111.52, 84.49, 57.00, 55.70, 44.96, 40.82, 28.10,21.53 ; IR (KBr) v max: 3272, 2365, 1716, 1541, 1488, 1338, 1149, 815, 660, 549cm-1 ; calcd for C31H34N2NaO6S+ [M+Na+] 585.2030, found 585.2033. 以上数据证明目的产物合成成功。
实施例二十三:
反应瓶中依次加入Pd2(dba)3·CHCl3 (2.6 mg,0.0025 mmol)、手性草酰胺膦配体(4.2 mg,0.005 mmol)、1w(65.5mg, 0.2 mmol),2 (44.7 mg, 0.2 mmol),加入2 mL甲醇,在-10℃下搅拌反应4小时,反应体系通过简单的柱层析(洗脱剂为乙酸乙酯:石油醚=1:5)即可得到目标产物3w(收率为81.0 mg, 74%),白色固体,mp 44-45 ℃,95% ee。
对产物3w进行分析,结果如下:95% ee, 用HPLC测定 [Daicel Chiralcel IA,hexanes/i-propanol = 85/15, flow rate = 1.0 mL/min, λ = 254.4 nm, t (major) =12.431, t (minor) = 13.482]; [α]= +95.1 (c 0.10, CHCl3); 1H NMR (400 MHz,CDCl3) δ 7.64 - 7.55 (m, 3H), 7.23 - 7.14 (m, 7H), 7.02 (dd, J = 8.4, 5.6 Hz,1H), 6.83 (td, J = 8.6, 2.5 Hz, 1H), 5.36 - 5.24 (m, 1H), 5.18 - 5.06 (m,1H), 4.28 (t, J = 6.1 Hz, 1H), 3.33 - 3.17 (m, 2H), 2.90 (dd, J = 13.8, 7.9Hz, 1H), 2.81 (ddd, J = 13.8, 6.4, 1.3 Hz, 1H), 2.34 (s, 3H), 1.53 (s, 9H) ;13C NMR (101 MHz, CDCl3) δ 175.91, 163.85, 161.42, 148.95, 143.50, 140.84,140.72, 138.60, 136.83, 130.30, 129.73, 128.78, 127.90, 127.45, 127.13,127.08, 126.22, 126.12, 125.49, 125.46, 111.35, 111.13, 104.09, 103.80,85.14, 56.27, 44.90, 40.96, 28.04, 21.53 ; 19F NMR (376 MHz, CDCl3) δ-110.55 ;IR (KBr) v max: 3279, 2926, 1731, 1604, 1493, 1254, 1140, 1091, 812, 660, 549cm-1 ; calcd for C30H31FN2NaO5S+ [M+Na+] 573.1830, found 573.1840. 以上数据证明目的产物合成成功。
实施例二十四:
反应瓶中依次加入Pd2(dba)3·CHCl3 (2.6 mg,0.0025 mmol)、手性草酰胺膦配体(4.2 mg,0.005 mmol)、1x(68.8mg, 0.2 mmol),2 (44.7 mg, 0.2 mmol),加入2 mL甲醇,在-10℃下搅拌反应4小时,反应体系通过简单的柱层析(洗脱剂为乙酸乙酯:石油醚=1:5)即可得到目标产物3x(收率为82.5 mg, 72%),白色固体,mp 48-49 ℃,91% ee。
对产物3x进行分析,结果如下:91% ee, 用HPLC测定 [Daicel Chiralcel IA,hexanes/i-propanol = 85/15, flow rate = 1.0 mL/min, λ = 254.4 nm, t (major) =11.831, t (minor) = 12.999]; [α]= +66.0 (c 0.10, CHCl3); 1H NMR (400 MHz,CDCl3) δ 8.00 (d, J = 1.9 Hz, 1H), 7.75 - 7.66 (m, 2H), 7.36 - 7.25 (m, 7H),7.21 (dd, J = 8.1, 2.0 Hz, 1H), 7.10 (d, J = 8.0 Hz, 1H), 5.41 (dt, J = 15.2,6.3 Hz, 1H), 5.27 - 5.16 (m, 1H), 4.46 (t, J = 6.1 Hz, 1H), 3.37 (t, J = 6.3Hz, 2H), 3.00 (dd, J = 13.8, 7.9 Hz, 1H), 2.96 - 2.87 (m, 1H), 2.44 (s, 3H),1.63 (s, 9H) ; 13C NMR (101 MHz, CDCl3) δ 175.61, 148.97, 143.50, 140.61,138.32, 136.78, 134.37, 130.43, 129.74, 128.82, 128.50, 127.96, 127.28,127.13, 127.05, 126.07, 124.62, 115.93, 85.19, 56.35, 44.90, 40.80, 28.03,21.55 ; IR (KBr) v max: 3279, 2980, 1729, 1603, 1422, 1283, 1143, 813, 754,659, 549 cm-1 ; calcd for C30H31ClN2NaO5S+ [M+Na+] 589.1535, found 589.1530. 以上数据证明目的产物合成成功。
实施例二十五:
反应瓶中依次加入Pd2(dba)3·CHCl3 (2.6 mg,0.0025 mmol)、手性草酰胺膦配体(4.2 mg,0.005 mmol)、1y(77.7mg, 0.2 mmol),2 (44.7 mg, 0.2 mmol),加入2 mL甲醇,在-10℃下搅拌反应4小时,反应体系通过简单的柱层析(洗脱剂为乙酸乙酯:石油醚=1:5)即可得到目标产物3y(收率为86.0 mg, 70%),白色固体,mp 60-61 ℃,90% ee。
对产物3y进行分析,结果如下:90% ee, 用HPLC测定 [Daicel Chiralcel IA,hexanes/i-propanol = 85/15, flow rate = 1.0 mL/min, λ = 254.4 nm, t (major) =12.431, t (minor) = 13.778]; [α]= +83.0 (c 0.10, CHCl3); 1H NMR (400 MHz,CDCl3) δ 8.13 (d, J = 1.8 Hz, 1H), 7.70 - 7.63 (m, 2H), 7.35 (dd, J = 8.0,1.8 Hz, 1H), 7.29 (td, J = 6.6, 5.8, 3.4 Hz, 5H), 7.26 - 7.23 (m, 2H), 7.01(d, J = 8.0 Hz, 1H), 5.39 (dt, J = 15.3, 6.2 Hz, 1H), 5.25 - 5.13 (m, 1H),4.28 (t, J = 6.1 Hz, 1H), 3.35 (t, J = 6.2 Hz, 2H), 2.99 (dd, J = 13.8, 7.9Hz, 1H), 2.94 - 2.84 (m, 1H), 2.42 (s, 3H), 1.61 (s, 9H) ; 13C NMR (101 MHz,CDCl3) δ 175.46, 148.97, 143.52, 140.79, 138.24, 136.79, 130.45, 129.75,129.07, 128.83, 127.99, 127.53, 127.32, 127.14, 127.03, 126.38, 122.28,118.70, 85.22, 56.43, 44.90, 40.73, 28.03, 21.55 ; IR (KBr) v max: 3278, 2982,2360, 1732, 1473, 1283, 1146, 813, 661, 550 cm-1 ; calcd for C30H31BrN2NaO5S+ [M+Na+] 635.1009, found 635.1006. 以上数据证明目的产物合成成功。
实施例二十六:
反应瓶中依次加入Pd2(dba)3·CHCl3 (2.6 mg,0.0025 mmol)、手性草酰胺膦配体(4.2 mg,0.005 mmol)、1z(67.9mg, 0.2 mmol),2 (44.7 mg, 0.2 mmol),加入2 mL甲醇,在-10℃下搅拌反应4小时,反应体系通过简单的柱层析(洗脱剂为乙酸乙酯:石油醚=1:5)即可得到目标产物3z(收率为76.4 mg, 68%),白色固体,mp 56-57 ℃,90% ee。
对产物3z进行分析,结果如下:90% ee, 用HPLC测定 [Daicel Chiralcel IA,hexanes/i-propanol = 85/15, flow rate = 1.0 mL/min, λ = 254.4 nm, t (major) =17.022, t (minor) = 22.005]; [α]= +69.0 (c 0.10, CHCl3); 1H NMR (400 MHz,CDCl3) δ 7.73 - 7.66 (m, 2H), 7.55 (d, J = 2.4 Hz, 1H), 7.33 - 7.27 (m, 7H),7.06 (d, J = 8.4 Hz, 1H), 6.78 (dd, J = 8.4, 2.4 Hz, 1H), 5.37 (dt, J = 15.2,6.3 Hz, 1H), 5.30 - 5.14 (m, 1H), 4.31 (t, J = 6.1 Hz, 1H), 3.89 (s, 3H),3.36 (qt, J = 13.8, 6.2 Hz, 2H), 3.01 (dd, J = 13.6, 7.7 Hz, 1H), 2.91 - 2.84(m, 1H), 2.44 (s, 3H), 1.63 (s, 9H) ; 13C NMR (101 MHz, CDCl3) δ 176.58,160.01, 149.17, 143.44, 140.69, 139.23, 136.81, 129.82, 129.72, 128.65,128.13, 127.69, 127.17, 127.14, 125.78, 121.72, 110.23, 101.75, 84.66, 56.18,55.58, 44.99, 41.12, 28.08, 21.53 ; IR (KBr) v max: 3277, 2914, 2360, 1731,1615, 1490, 1253, 1145, 813, 661, 550 cm-1 ; calcd for C31H34N2NaO6S+ [M+Na+]585.2030, found 585.2021. 以上数据证明目的产物合成成功。/>

Claims (1)

1.一种含有丁烯胺结构的吲哚酮衍生物的合成方法,其特征在于,包括以下步骤,以3-芳基吲哚酮和2-乙烯基氮杂环丙烷为反应物,以钯盐和膦配体为催化体系,在有机溶剂中,-40℃~30℃下反应得到含有丁烯胺结构的吲哚酮衍生物;以摩尔量计,所述钯盐的用量为3-芳基吲哚酮的1%~10%;2-乙烯基氮杂环丙烷的用量为3-芳基吲哚酮的0.5~2倍;
3-芳基吲哚酮化学结构式为:
含有丁烯胺结构的吲哚酮衍生物的结构式为:
上述化学结构式中,R1选自:氢、5-氟、5-氯、5-溴、5-甲基、5-甲氧基、6-氟、6-氯、6-溴、6-甲氧基中的一种;R2选自:氢、3-三氟甲基、3-氟、3-氯、3-甲基、3-甲氧基、4-氟、4-氯、4-溴、4-甲基、4-乙基、4-甲氧基、4-二甲氨基、4-叔丁基、4-苯基、2,3,4,5,6-五氟、3,5-二甲基中的一种;
2-乙烯基氮杂环丙烷的化学结构式为:
所述钯盐为Pd2(dba)3·CHCl3,膦配体的化学结构式为:
其中R选自:异丙基、苯基、苄基、4-甲氧基苯甲基、4-三氟甲基苯甲基、3,5-二甲基苯甲基中的一种;
所述有机溶剂为醚类溶剂、苯类溶剂或者醇类溶剂;反应的时间为4~12小时。
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