CN112321627B - 一种轴手性芳乙炔基硅烷化合物及其制备方法 - Google Patents

一种轴手性芳乙炔基硅烷化合物及其制备方法 Download PDF

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CN112321627B
CN112321627B CN202011271503.4A CN202011271503A CN112321627B CN 112321627 B CN112321627 B CN 112321627B CN 202011271503 A CN202011271503 A CN 202011271503A CN 112321627 B CN112321627 B CN 112321627B
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崔玉明
徐利文
李钊
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Hangzhou Normal University
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Abstract

本发明涉及有机合成技术领域,公开了一种轴手性芳乙炔基硅烷化合物及其制备方法,所述一种轴手性芳乙炔基硅烷化合物,其结构式通式如式(1)所示,其制备方法为以钯盐与配体形成的络合物为催化剂前体,以2‑芳基环己‑2‑烯‑1‑酮肟和2‑溴乙炔基硅烷为反应物,在氧化剂的存在下,在反应介质中对反应物中碳‑氢键进行不对称炔基化,得到所述轴手性芳乙炔基硅烷化合物;该方法对含有不同性质取代基的芳基和炔基硅烷具有较好的适应性,可以以中等至良好的产率和对映选择性获得一系列轴手性芳乙炔基硅烷化合物,且此类化合物中的硅取代基容易进行一系列转化,衍生物可作为手性配体和催化剂用于不对称催化反应中。

Description

一种轴手性芳乙炔基硅烷化合物及其制备方法
技术领域
本发明涉及有机合成技术领域,具体涉及一种轴手性芳乙炔基硅烷化合物及其制备方法。
背景技术
轴手性化合物广泛存在于生物活性和药物分子中,作为手性配体和催化剂在不对称催化反应中也有较为广泛的应用。相对于研究较多的联芳(杂)环类轴手性化合物,在芳环和烯烃之间具有一个手性轴的芳基烯烃化合物无论是在合成还是应用方面的研究相对滞后,究其原因主要是这类化合物旋转能垒较低易于消旋且难以控制反应的立体选择性。制备轴手性芳基烯烃化合物早期是通过化学拆分方式得到的,通过不对称催化反应合成此类化合物直到最近才有文献报道,如谭斌(有机催化合成轴手性苯乙烯,NatureCommunications,2017,8,15238-15245)、阎海龙(有机对映选择性催化合成含砜轴手性苯乙烯,J.Am.Chem.Soc.2018,140,7056-7060)、石枫(轴手性芳乙烯-吲哚骨架:阻转异构体家庭的一个新成员及其催化不对称合成,Chinese Journal of Chemistry,2020,38,543-552)等开发的有机催化反应及顾振华(钯催化合成轴手性芳乙烯:卡宾策略.Angew.Chem.Int.Ed.,2016,55,2186-2190)报道的钯催化偶联反应(钯催化合成2-芳基环己-2-烯酮:轴手性联芳基化合物合成的平台分子,Angew.Chem.Int.Ed.,2017,56,4777-4781)。尽管人们在催化合成轴手性芳基烯烃方面已取得一定的进展,但还有很大的研究空间值得合成化学家去挖掘。比如说,为了得到稳定结构的目标轴手性芳基烯烃化合物,通常需要冗长的合成路线以制备多取代和大位阻的芳基卤化物和有机金属试剂,这在一定程度上阻碍了不对称交叉偶联方法学在轴手性芳基烯烃合成领域中的应用。另外,这些催化反应或多或少存在着一些问题,如原子经济性较低,反应底物范围受限,低转换率和较低的立体选择性。
C-H键活化策略是一种最直接、快捷构建C-C键和C-杂原子键的有效方法,大大提高了原子经济利用率和合成效率,减少了废物的排放,是一种绿色化学方法。近年来随着化学家在此领域的持续深入研究,通过催化不对称C-H功能化尤其是动态动力学拆分反应合成联芳(杂)环类轴手性化合物已有多例报道,能够对特定结构的芳基底物实现区域选择性和立体选择性的功能化。2018年,徐利文等以肟醚作为导向基,利用钯催化不对称芳基C-H键烯基化反应在轴手性芳基烯烃化合物的催化合成中取得了较高的收率和对映选择性,产物中的导向基可在酸性条件下移除(通过钯催化不对称碳-氢键烯基化合成轴手性芳乙烯,Chem.Commun.,2018,54,10706-10709)。2020年,史炳峰等(基于氨基酰胺瞬时定向基策略的钯催化烯基化合成轴手性苯乙烯,Angew.Chem.Int.Ed.,2020,59,6576-6580)利用瞬时导向基策略实现了芳基C-H键烯基化反应,合成了相应的轴手性芳基烯烃。同样是基于钯催化剂,史炳峰等(基于钯催化不对称碳-氢键功能化合成轴手性苯乙烯,Chem,2020,6,1-15)还使用吡啶作为导向基团实现了对芳基C-H键烯基化、炔基化反应,但催化体系中使用了非常见的配体和大量高沸点溶剂。另外,据我们所知,从更加简单的底物出发,通过二次C-H键功能化合成轴手性芳基烯烃的研究还未见报道。
发明内容
本发明针对现有技术中制备轴手性芳基烯烃的方法底物复杂,配体等原料来源稀缺,溶剂熔点高等缺陷,提供一种轴手性芳乙炔基硅烷化合物的制备方法,该方法采用的配体和底物价廉易得,且反应选择性优异。
为实现上述目的,本发明采用的技术方案是:
一种轴手性芳乙炔基硅烷化合物,其结构式通式(1)表示为:
其中,R1、R4、R5、R6独自为C1~6烷基或C6~10芳基中任一种;R2选自氢、C1~6的烷基或C6~10芳基中任一种;R3选自C1~6的烷基、烷氧基、C6~10芳基或卤素中任一种。此类化合物可作为不对称催化反应中的手性配体和催化剂。
优选地,R1、R4、R5、R6独自为甲基、异丙基、叔丁基或苯基中任一种;R2选自氢、甲基、苯基或苄基中任一种;R3选自甲基、甲氧基、苯基、氟、氯或溴中任一种。
本发明还提供所述的轴手性芳乙炔基硅烷化合物的制备方法,以钯盐与配体形成的络合物为催化剂前体,以2-芳基环己-2-烯-1-酮肟和2-溴乙炔基硅烷为反应物,在氧化剂的存在下,在反应介质中对反应物中碳-氢键进行不对称炔基化,得到所述轴手性芳乙炔基硅烷化合物;
所述2-芳基环己-2-烯-1-酮肟的结构通式如(2)所示,所述2-溴乙炔基硅烷的结构通式如(3)所示:
其中R1、R2、R3、R4、R5、R6的定义如上所述。具体反应式如下:
该方法对含有不同性质取代基的芳基和炔基硅烷具有较好的适应性,可以以中等至良好的产率和对映选择性获得一系列轴手性芳乙炔基硅烷化合物,且此类化合物中的硅取代基容易进行一系列转化,衍生物可作为手性配体和催化剂用于不对称催化反应中。
具体地,所述的轴手性芳乙炔基硅烷化合物的制备方法为:将2-芳基环己-2-烯-1-酮肟、2-溴乙炔基硅烷、钯盐、配体、氧化剂在反应介质中混合反应,得到所述轴手性芳乙炔基硅烷化合物。
所述配体为N-单保护手性氨基酸,包括Boc-D-缬氨酸(Boc-D-Val-OH)、Boc-L-异亮氨酸(Boc-lle-OH)、Boc-L-苯丙氨酸(Boc-phe-OH)、N-Boc-L-叔亮氨酸(Boc-L-TLE-OH)、N-乙酰-L-丙氨酸(N-Ac-L-Ala-OH)、N-苄氧羰基-L-缬氨酸(N-CBZ-L-Val-OH)、N-苄氧羰基-L-苯丙氨酸(CBZ-L-Phe-OH)、N-乙酰-L-亮氨酸(N-Ac-L-Leu-OH)中任一种,其结构式分别如下所示:
所述钯盐选自醋酸钯、三氟乙酸钯,四乙腈四氟硼酸钯或氯化钯中任一种或多种。
所述氧化剂选自醋酸银、三氟甲烷磺酸银、氧化银、碳酸银中一种或多种。
所述反应介质包括甲醇、四氢呋喃、二氯甲烷、***、乙酸乙酯、丙酮中任一种或多种的混合物。
反应液中2-芳基环己-2-烯-1-酮肟的摩尔浓度为0.1~1mol/L;2-溴乙炔基硅烷的用量为2-芳基环己-2-烯-1-酮肟的110~300mol%。
所述钯盐的用量为2-芳基环己-2-烯-1-酮肟的1~10mol%;所述配体的用量为2-芳基环己-2-烯-1-酮肟的2~20mol%;所述氧化剂的用量为2-芳基环己-2-烯-1-酮肟的110~300mol%。
反应条件为空气环境下40~70℃,反应时间为10~48h。
与现有技术相比,本发明具有以下有益效果:
(1)本发明制备方法的催化剂钯盐和N-单保护手性氨基酸配体均为商品化试剂,原料2-芳基环己-2-烯-1-酮肟和炔烃衍生物价廉易得,生产成本低,易于工业化推广。
(2)本发明制备的轴手性芳乙炔基硅烷化合物具有中等至良好的产率和对映选择性,且此类化合物中的硅取代基容易进行一系列转化,衍生物可作为手性配体和催化剂用于不对称催化反应中。
(3)本发明的制备方法在40~70℃下即可进行,使用低沸点甲醇为溶剂,催化体系简单,得到的衍生物用于催化体系效果良好。
附图说明
图1为实施例1中反应产物(E)-3-甲基-2-(2-((三异丙基硅基)乙炔基)萘-1-基)环己-2-烯-1-酮-O-甲基肟的核磁氢谱。
图2为实施例1中反应产物(E)-3-甲基-2-(2-((三异丙基硅基)乙炔基)萘-1-基)环己-2-烯-1-酮-O-甲基肟的碳谱。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白,以下结合实施例,对本发明进行进一步详细说明。应当理解,此处所描述的具体实施例仅仅用以解释本发明,并不用于限定本发明。本领域技术人员在理解本发明的技术方案基础上进行修改或等同替换,而未脱离本发明技术方案的精神和范围,均应涵盖在本发明的保护范围内。
实施例1
(E)-3-甲基-2-(2-((三异丙基硅基)乙炔基)萘-1-基)环己-2-烯-1-酮-O-甲基肟
向25mL反应管中加入3-甲基-2-萘基环己-2-烯-1-酮-O-甲基肟(0.13g,0.2mmol),(2-溴乙炔基)三异丙基硅烷(0.16g,0.6mmol),醋酸钯(0.005g,10mol%),N-乙酰-L-丙氨酸(0.0053g,20mol%),碳酸银(0.165g,0.6mmol),再加入甲醇(2mL)。将反应管移至40℃油浴反应48小时。混合物经快速柱层析纯化得到黄色液体(82mg,0.184mmol),产率92%。
核磁氢谱如图1所示,1H NMR(400MHz,CDCl3)δ7.82-7.77(m,1H),7.68(dd,J=12.8,4.9Hz,2H),7.56(d,J=8.4Hz,1H),7.43(m,2H),3.52(s,3H),2.88-2.75(m,1H),2.59(m,1H),2.34(m,2H),1.95(m,2H),1.44(s,3H),1.11(d,J=2.1Hz,18H).碳谱如图2所示,13CNMR(100MHz,CDCl3)δ155.78(s),143.66(s),140.31(s),133.01(s),132.15(s),129.28(s),128.61(s),128.07(s),126.69(s),126.32(s),126.26(s),126.14(s),120.92(s),107.35(s),92.41(s),61.53(s),31.92(s),23.01(s),21.44(s),21.22(s),18.85(d,J=1.6Hz),11.45(s).HRMS(ESI)m/z:[M+Na]+calculated for C29H40NOSi:446.2859:446.2874.HPLC采用Chiralpak AD-H+OX-H柱(己烷:2-丙醇=99.2:0.8,0.3mL/min,254nm,99%ee);主要对映体tr=26.590min,次要对映体tr=27.771min。[α]25D=31(c=0.01,CHCl3)
实施例2:
(E)-3-甲基-2-(4-甲基-2-((三异丙基硅烷基)乙炔基)萘-1-基)环己-2-烯-1-酮-O-甲基肟
向25mL反应管中加入3-甲基-2-萘甲基-2-环己烯-1-酮-O-甲基肟(0.056g,0.2mmol),(2-溴乙炔基)三异丙基硅烷(0.16g,0.6mmol),氯化钯(0.0018g,5mol%),Boc-D-缬氨酸(0.0043g,10mol%),三氟甲磺酸银(0.102g,0.4mmol),再加入甲醇(1mL)。将反应管移至50℃油浴反应40小时。混合物经快速柱层析纯化得到白色液体(36.8mg,0.08mmol),产率40%。
1H NMR(400MHz,CDCl3)δ7.95(d,J=8.0Hz,1H),7.74-7.65(m,1H),7.51-7.37(m,3H),3.53(s,3H),2.82(m,1H),2.67(s,3H),2.63-2.50(m,1H),2.34(m,2H),1.95(m,2H),1.45(s,3H),1.12(d,J=2.5Hz,18H).13C NMR(100MHz,CDCl3)δ155.89(s),143.69(s),138.62(s),132.85(s),132.40(s),132.24(s),129.72(s),128.75(s),126.92(s),125.99(s),125.88(s),124.24(s),120.44(s),107.56(s),91.98(s),61.52(s),31.94(s),23.05(s),21.47(s),21.24(s),19.38(s),18.86(d,J=1.5Hz),11.46(s).HRMS(ESI)m/z:[M+Na]+calculated for C30H42NOSi:460.3041:460.3030.HPLC采用Chiralpak AD-H+OX-H柱(己烷:2-丙醇=99.2:0.8,0.3mL/min,254nm,95%ee);主要对映体tr=28.538min,次要对映体tr=26.513min。[α]25D=10(c=0.007,CHCl3)
实施例3:
(E)-2'-甲氧基-6-甲基-6'((三异丙基硅烷基)乙炔基)-4,5-二氢-[1,1'-联苯]-2(3H)-O-甲基肟
向25mL反应管中加入3-甲基-2-(2-甲氧基苯基)环己-2-烯-1-酮-O-甲基肟(0.049g,0.2mmol),(2-溴乙炔基)三异丙基硅烷(0.16g,0.4mmol),四乙腈四氟硼酸钯(0.009g,10mol%),Boc-L-异亮氨酸(0.0093g,20mol%),碳酸银(0.11g,0.4mmol),再加入四氢呋喃(2mL)。将反应管移至60℃油浴反应36小时。混合物经快速柱层析纯化得到白色液体(32.4mg,0.076mmol),产率38%。
1H NMR(400MHz,CDCl3)δ7.16(m,2H),6.87(dd,J=7.9,1.3Hz,1H),3.74(s,3H),3.66(s,3H),2.68-2.52(m,2H),2.33-2.16(m,2H),1.89-1.77(m,2H),1.56(s,3H),1.08(d,J=2.7Hz,18H).13C NMR(100MHz,CDCl3)δ157.18(s),155.63(s),142.54(s),130.81(s),127.50(s),126.75(s),125.25(s),125.03(s),111.61(s),106.51(s),91.41(s),61.48(s),56.32(s),31.71(s),22.87(s),21.43(s),21.02(s),18.80(d,J=1.3Hz),11.43(s).HRMS(ESI)m/z:[M+Na]+calculated for C26H40NO2Si:426.2807:426.2823.HPLC采用Chiralpak AD-H+OX-H柱(己烷:2-丙醇=99.2:0.8,0.3mL/min,254nm,97%ee);主要对映体tr=30.165min,次要对映体tr=27.576min。[α]25D=52(c=0.01,CHCl3)。
实施例4:
(E)-2-(4-溴-2-((三异丙基硅基)乙炔基)萘-1-基)-3-甲基环己-2-烯-1-酮-O-甲基肟
向25mL反应管中加入3-甲基-2-萘溴基环己-2-烯-1-酮-O-甲基肟(0.0684g,0.2mmol),(2-溴乙炔基)三异丙基硅烷(0.059g,0.22mmol),三氟乙酸钯(0.0033g,5mol%),Boc-L-苯丙氨酸(0.0053g,10mol%),碳酸银(0.11g,0.4mmol),再加入二氯甲烷(0.5mL)。将反应管移至50℃油浴反应32小时。混合物经快速柱层析纯化得到黄色液体(38.9mg,0.074mmol),产率31%。
1H NMR(400MHz,CDCl3)δ8.32-8.15(m,1H),7.62(d,J=8.7Hz,1H),7.44(m,2H),6.89(s,1H),4.03(s,3H),3.55(s,3H),2.82(m,1H),2.67-2.51(m,1H),2.35(m,2H),1.94(m,2H),1.47(s,3H),1.13(s,18H).13C NMR(100MHz,CDCl3)δ155.9,153.9,144.0,133.0(d,J=3.3Hz),128.5,126.7,126.2,125.7,125.6,122.0,120.4,107.7,106.8,91.9,61.5,55.6,31.9,27.1,23.1,21.5,21.3,18.9(d,J=1.6Hz),11.5.HRMS(ESI)m/z:[M+Na]+calculated for C23H29BrNOSi:444.1168:442.1196.HPLC用Chiralpak AD-H+OX-H柱(己烷:2-丙醇=99:1,0.25mL/min,254nm,96%ee)测定ee值;主对映体tr=30.001min,次要对映体tr=28.961min。[α]25D=9(c=0.005,CHCl3)。
实施例5:
(E)-3-甲基-2-(4-((三异丙基硅基)乙炔基)-1,2-二氢苊基-5-基)环己-2-烯-1-酮-O-甲基肟
向25mL反应管中加入3-甲基-2-萘己环基环己-2-烯-1-酮-O-甲基肟(0.058g,0.2mmol),(2-溴乙炔基)三异丙基硅烷(0.11g,0.4mmol),醋酸钯(0.0005g,1mol%),N-乙酰-L-丙氨酸(0.0005g,2mol%),氧化银(0.05g,0.4mmol),再加入***(2mL)。将反应管移至40℃油浴反应27小时。混合物经快速柱层析纯化得到黄色液体(32.1mg,0.064mmol),产率32%。
1H NMR(400MHz,CDCl3)δ7.30(s,1H),7.29-7.22(m,2H),7.17-7.14(m,1H),3.46(s,3H),3.29(m,4H),2.79-2.68(m,1H),2.48(m,1H),2.24(m,2H),1.92-1.78(m,2H),1.39(s,3H),1.03(d,J=2.7Hz,18H).13C NMR(100MHz,CDCl3)δ155.9,145.8,144.3,143.6,139.0,136.1,130.5,128.1,128.0,122.8,122.3,121.4,119.8,108.3,91.7,61.5,31.9,30.6,30.0,23.1,21.5,21.3,18.9,18.9,11.5.HRMS(ESI)m/z:[M+Na]+calculated forC31H42NOSi:472.3040:472.3030.HPLC采用Chiralpak AD-H+OX-H柱(己烷:2-丙醇=99.2:0.8,0.3mL/min,254nm,90%ee);主要对映体tr=30.707min,次要对映体tr=27.450min。[α]25D=11(c=0.005,CHCl3)
实施例6:
(E)-2',4',6-三甲基-6'((三异丙基硅烷基)乙炔基)-4,5-二氢-[1,1'-联苯]-2(3H)-O-甲基肟
向25mL反应管中加入3-甲基-2-(2,3-二甲基苯基)环己-2-烯-1-酮-O-甲基肟(0.049g,0.2mmol),(2-溴乙炔基)三异丙基硅烷(0.16g,0.6mmol),醋酸钯(0.005g,10mol%),N-Boc-L-叔亮氨酸(0.0093g,20mol%),碳酸银(0.061g,0.22mmol),再加入甲醇(0.2mL)。将反应管移至40℃油浴反应23小时。混合物经快速柱层析纯化得到白色液体(56.0mg,0.13mmol),产率66%。
1H NMR(400MHz,CDCl3)δ7.19(s,1H),6.97(s,1H),3.67(s,3H),2.76-2.65(m,1H),2.51(m,1H),2.29(s,3H),2.24(t,J=6.1Hz,2H),2.07(s,3H),1.94-1.75(m,2H),1.51(s,3H),1.09(d,J=3.3Hz,18H).13C NMR(100MHz,CDCl3)δ155.5,142.1,138.1,136.6,135.7,130.8,130.7,129.6,123.4,107.3,90.2,61.6,31.7,22.9,21.2,21.1,21.0,19.8,18.8,18.8,11.5.HRMS(ESI)m/z:[M+Na]+calculated for C27H42NOSi:424.3041:424.3030.HPLC采用Chiralpak AD-H+OX-H柱(己烷:2-丙醇=99:1,0.3mL/min,254nm,98%ee);主对映体tr=26.812min,次要对映体tr=24.293min。[α]25D=8(c=0.02,CHCl3)
实施例7:
(E)-2’-氟-6-甲基-6’-((三异丙基硅烷基)乙炔基)-4,5-二氢-[1,1'-联苯]-2(3H)-O-甲基肟
向25mL反应管中加入3-甲基-2-(2-氟苯基)环己-2-烯-1-酮-O-甲基肟(0.047g,0.2mmol),(2-溴乙炔基)三异丙基硅烷(0.16g,0.6mmol),醋酸钯(0.005g,10mol%),N-乙酰-L-亮氨酸(0.0069g,20mol%),碳酸银(0.165g,0.6mmol),再加入乙酸乙酯(2mL)。将反应管移至70℃油浴反应18小时。混合物经快速柱层析纯化得到黄色液体(41.4mg,0.1mmol),产率50%。
1H NMR(400MHz,CDCl3)δ7.30(m,1H),7.18(m,1H),7.05-6.97(m,1H),3.67(s,3H),2.74-2.63(m,1H),2.60-2.47(m,1H),2.26(m,2H),1.90-1.77(m,2H),1.60(s,3H),1.08(s,18H).13C NMR(100MHz,CDCl3)δ161.1,158.6,155.2,143.9,129.1,128.9,128.5,128.4,128.1,127.9,126.0,125.9,124.6,115.6,115.3,105.3(d,J=4.1Hz),92.8,61.6,31.7,22.8,21.5,20.9,18.8,18.8,11.4.HRMS(ESI)m/z:[M+Na]+calculated for C25H37FNOSi:414.2634:414.2623.HPLC用Chiralpak AD-H+OX-H柱(己烷:2-丙醇=99:1,0.3mL/min,254nm,80%ee)测定ee值;主对映体tr=24.959min,次要对映体tr=26.866min。[α]25D=4(c=0.01,CHCl3)
实施例8:
(E)-2',4',6-三甲基-6'((三异丙基硅烷基)乙炔基)-4,5-二氢-[1,1'-联苯]-2(3H)-O-甲基肟
向25mL反应管中加入3-甲基-2-(2,3-二甲基苯基)环己-2-烯-1-酮-O-甲基肟(0.049g,0.2mmol),(2-溴乙炔基)三异丙基硅烷(0.16g,0.6mmol),四乙腈四氟硼酸钯(0.0054g,6mol%),N-苄氧羰基-L-缬氨酸(0.0060g,12mol%),碳酸银(0.165g,0.6mmol),再加入甲醇(2mL)。将反应管移至50℃油浴反应15小时。混合物经快速柱层析纯化得到黄色液体(58.5mg,0.138mmol),产率60%。
1H NMR(400MHz,CDCl3)δ7.19(s,1H),6.97(s,1H),3.67(s,3H),2.76-2.65(m,1H),2.51(m,1H),2.29(s,3H),2.24(t,J=6.1Hz,2H),2.07(s,3H),1.94-1.75(m,2H),1.51(s,3H),1.09(d,J=3.3Hz,18H).13C NMR(100MHz,CDCl3)δ155.5,142.1,138.1,136.6,135.7,130.8,130.7,129.6,123.4,107.3,90.2,61.6,31.7,22.9,21.2,21.1,21.0,19.8,18.8,18.8,11.5.HRMS(ESI)m/z:[M+Na]+calculated for C27H42NOSi:424.3041:424.3030.HPLC用Chiralpak AD-H+OX-H柱(己烷:2-丙醇=99:1,0.3mL/min,254nm,90%ee)测定ee值;主对映体tr=26.812min,次要对映体tr=24.293min。[α]25D=8(c=0.02,CHCl3)
实施例9:
(E)-3-甲基-2-(2-((三乙基硅烷基)乙炔基)萘-1-基)环己-2-烯-1-酮-O-甲基肟
向25mL反应管中加入3-苯基-2-萘基环己-2-烯-1-酮-O-甲基肟(0.053g,0.3mmol),(2-溴乙炔基)三乙基硅烷(0.13g,0.6mmol),醋酸钯(0.0025g,5mol%),N-乙酰-L-丙氨酸(0.0027g,10mol%),碳酸银(0.165g,0.6mmol),再加入丙酮(2mL)。将反应管移至50℃油浴反应10小时。混合物经快速柱层析纯化得到白色液体(29.9mg,0.074mmol),产率37%。
1H NMR(400MHz,CDCl3)δ7.79(d,J=7.6Hz,1H),7.69(t,J=7.6Hz,2H),7.55(d,J=8.5Hz,1H),7.47-7.37(m,2H),3.52(s,3H),2.86-2.74(m,1H),2.68-2.55(m,1H),2.42-2.29(m,2H),2.00-1.89(m,2H),1.45(s,3H),1.03(t,J=7.9Hz,9H),0.64(q,J=7.9Hz,6H).13C NMR(100MHz,CDCl3)δ155.8,143.7,140.7,133.0,132.2,128.9,128.5,128.1,126.7,126.5,126.2,126.2,120.6,106.6,93.6,61.6,32.0,23.1,21.4,21.3,7.7,4.7.HRMS(ESI)m/z:[M+Na]+calculated for C26H34NOSi:404.2420:404.2404.HPLC用Chiralpak AD-H+OX-H柱(己烷:2-丙醇=99:1,0.3mL/min,254nm,94%ee)测定ee值;主对映体tr=25.868min,次要对映体tr=25.514min。[α]25D=+19.5(c=0.4,CHCl3).
实施例10:
(E)-2-(4-溴-2-((三异丙基硅基)乙炔基)萘-1-基)-3-甲基环己-2-烯-1-酮-O-甲基肟
向25mL反应管中加入3-甲基-2-萘溴基环己-2-烯-1-酮-O-甲基肟(0.0684g,0.2mmol),(2-溴乙炔基)三异丙基硅烷(0.16g,0.6mmol),醋酸钯(0.0025g,5mol%),N-苄氧羰基-L-苯丙氨酸(0.006g,10mol%),碳酸银(0.083g,0.3mmol),再加入甲醇(2mL)。将反应管移至40℃油浴反应48小时。混合物经快速柱层析纯化得到黄色液体(57.8mg,0.11mmol),产率52%。
1H NMR(400MHz,CDCl3)δ8.32-8.15(m,1H),7.62(d,J=8.7Hz,1H),7.44(m,2H),6.89(s,1H),4.03(s,3H),3.55(s,3H),2.82(m,1H),2.67-2.51(m,1H),2.35(m,2H),1.94(m,2H),1.47(s,3H),1.13(s,18H).13C NMR(100MHz,CDCl3)δ156.0,153.9,144.0,133.0(d,J=3.3Hz),128.5,126.7,126.2,125.7,125.6,122.0,120.4,107.7,106.8,91.9,61.5,55.6,32.0,27.1,23.1,21.5,21.3,18.9(d,J=1.6Hz),11.5.HRMS(ESI)m/z:[M+Na]+calculated for C23H29BrNOSi:444.1168:442.1196.HPLC用Chiralpak AD-H+OX-H柱(己烷:2-丙醇=99:1,0.25mL/min,254nm,93%ee)测定ee值;主对映体tr=30.001min,次要对映体tr=28.961min。[α]25D=9(c=0.005,CHCl3)
实施例11:
(E)-2-(2-((叔丁基二甲基硅烷基)乙炔基)萘-1-基)-3-甲基环己-2-烯-1-酮-O-甲基肟
向25mL反应管中加入3-甲基-2-萘基环己-2-烯-1-酮-O-甲基肟(0.053g,0.2mmol),(2-溴乙炔基)叔丁基二甲基硅烷(0.09g,0.4mmol),醋酸钯(0.005g,10mol%),N-乙酰-L-丙氨酸(0.0053g,20mol%),碳酸银(0.165g,0.6mmol),再加入甲醇(2mL)。将反应管移至40℃油浴反应24小时。混合物经快速柱层析纯化得到黄色液体(45.3mg,0.112mmol),产率56%。
1H NMR(400MHz,CDCl3)δ7.63(d,J=8.4Hz,1H),7.52(t,J=7.4Hz,2H),7.39(d,J=8.5Hz,1H),7.30-7.20(m,2H),3.36(s,3H),2.69-2.58(m,1H),2.52-2.39(m,1H),2.26-2.14(m,2H),1.84-1.73(m,2H),1.29(s,3H),0.81(s,9H),-0.00(s,6H).13C NMR(100MHz,CDCl3)δ155.8(d,J=40.6Hz),143.7(d,J=37.6Hz),140.6,132.9(d,J=33.8Hz),132.2,128.9,128.5,128.1,126.7,126.5,126.2(d,J=2.8Hz),120.5,105.8,94.5,61.6,32.0,26.3,23.0,21.4,21.3,16.8,-4.3.HRMS(ESI)m/z:[M+Na]+calculated for C26H34NOSi:404.2388:404.2404.HPLC用Chiralpak AD-H+OX-H柱(己烷:2-丙醇=99:1,0.3mL/min,254nm,96%ee)测定ee值;主对映体tr=26.623min,次要对映体tr=25.496min。[α]25D=+20(c=0.4,CHCl3).
实施例12:
(E)-2-(2-((三异丙基硅烷基)乙炔基)萘-1-基)-5,6-二氢-[1,1'-联苯]-3(4H)-O-甲基肟
向25mL反应管中加入3-苯基-2-萘基环己-2-烯-1-酮-O-甲基肟(0.065g,0.2mmol),(2-溴乙炔基)三异丙基硅烷(0.16g,0.6mmol),醋酸钯(0.005g,10mol%),N-乙酰-L-丙氨酸(0.0053g,20mol%),碳酸银(0.165g,0.6mmol),再加入甲醇(2mL)。将反应管移至40℃油浴反应48小时。旋去甲醇后的混合物经快速柱层析纯化得到棕色液体(48.8mg,0.096mmol),产率48%。
1H NMR(400MHz,CDCl3)δ7.67(d,J=7.8Hz,1H),7.58-7.51(m,1H),7.45(d,J=8.5Hz,1H),7.32(d,J=8.5Hz,1H),7.25(m,2H),6.94(m,2H),6.85-6.75(m,3H),3.48(s,3H),2.86(m,1H),2.71-2.44(m,3H),2.15-1.90(m,2H),1.07(s,18H).
13C NMR(100MHz,CDCl3)δ155.7,146.2,142.2,139.8,132.7,132.2,130.1,128.9,127.9,127.4,127.0,126.7,126.7,126.4,126.0,125.9,122.2,108.0,93.1,61.7,32.6,23.2,21.6,18.9,18.9,11.5.HRMS(ESI)m/z:[M+Na]+calculated for C34H42NOSi:508.3046,found:508.3030.HPLC采用Chiralpak AD-H+OX-H柱(己烷:2-丙醇=99.2:0.8,0.3mL/min,254nm,98%ee);主要对映体tr=26.451min,次要对映体tr=27.181min。[α]25D=-51(c=0.02,CHCl3)
实施例13:
(E)-3'-甲氧基-6-甲基-2',6'-双((三异丙基硅烷基)乙炔基)-4,5-二氢-[1,1'-联苯]-2(3H)-O-甲基肟
将(E)-3'-甲氧基-6-甲基-4,5-二氢-[1,1'-联苯]-2(3H)-O-甲基肟(0.3mmol),醋酸钯(6.7mg,10mol%),N-乙酰-L-丙氨酸(7.9mg,20mol%),碳酸银(250mg,0.9mmol,0.9mmol)添加到含有磁子的管中。之后,使用注射器添加甲醇(3.0mL)。然后将(2-溴代乙炔基)三异丙基硅烷(240mg,0.9mmol)添加到上述中。将反应混合物在40℃下在油浴中搅拌48小时。将反应混合物冷却至室温。混合物经快速柱层析纯化得到白色液体(63mg,0.156mmol),产率52%。
1H NMR(400MHz,CDCl3)δ7.35(d,J=8.6Hz,1H),6.64(d,J=8.6Hz,1H),3.80(s,3H),3.58(s,3H),2.52-2.44(m,2H),2.13(t,J=6.0Hz,2H),1.76-1.71(m,2H),1.47(s,3H),1.00(d,J=9.1Hz,36H).13C NMR(101MHz,Chloroform-d)δ160.7,154.9,146.2,141.9,133.5,129.5,116.4,113.5,108.7,106.0,101.6,97.0,89.8,61.4,55.8,31.6,22.6,21.1,20.7,18.7,11.3.HRMS(ESI)m/z:[M+Na]+calculated for C37H60NO2Si2:606.4167:606.4157.用手性OD-H+OX-H柱(己烷:2-丙醇=99:1,0.3mL/min,254nm,90%ee)HPLC测定ee值;主要对映体tr=24.549min,次要对映体tr=25.522min。[α]25D=+21.2(c=0.5,CHCl3).
实施例14:
(E)-3',6-二甲基-2',6'-双((三异丙基硅烷基)乙炔基)-4,5-二氢-[1,1'-联苯]-2(3H)-O-甲基肟
将(E)-3',6-二甲基-4,5-二氢-[1,1'-联苯]-2(3H)-O-甲基肟(0.3mmol),醋酸钯(6.7mg,10mol%),N-乙酰-L-丙氨酸(7.9mg,20mol%),碳酸银(250mg,0.9mmol,0.9mmol)添加到含有磁子的管中。之后,使用注射器添加甲醇(3.0mL)。然后将(2-溴代乙炔基)三异丙基硅烷(240mg,0.9mmol)添加到上述中。将反应混合物在40℃下在油浴中搅拌48小时。将反应混合物冷却至室温。混合物经快速柱层析纯化得到白色液体(45.0mg,0.108mmol),产率36%。
1H NMR(400MHz,CDCl3)δ7.35(d,J=7.8Hz,1H),7.06(d,J=7.9Hz,1H),3.65(s,3H),2.57(t,J=6.7Hz,2H),2.47(s,3H),2.21(t,J=6.0Hz,2H),1.85-1.79(m,2H),1.53(s,3H),1.08(d,36H).13C NMR(100MHz,CDCl3)δ155.2,144.4,141.9,141.1,132.0,130.2,127.6,124.1,121.5,106.4,104.6,96.5,91.0,61.5,31.7,22.8,21.8,21.3,20.8,18.9,18.8,18.8,11.4,11.4.HRMS(ESI)m/z:[M+Na]+calculated for C23H29BrNOSi:444.1168:442.1196.HPLC用Chiralpak AD-H+OX-H柱(己烷:2-丙醇=99:1,0.3mL/min,254nm,98%ee)测定ee值;主对映体tr=35.237min,次要对映体tr=38.653min。[α]25D=-2(c=1.7,CHCl3).
实施例15:
(E)-3'-氟-6-甲基-2',6'-双((三异丙基硅烷基)乙炔基)-4,5-二氢-[1,1'-联苯]-2(3H)-O-甲基肟
将(E)-3'-氟-6-甲基-4,5-二氢-[1,1'-联苯]-2(3H)-O-甲基肟(0.3mmol),醋酸钯(6.7mg,10mol%),N-乙酰-L-丙氨酸(7.9mg,20mol%),碳酸银(250mg,0.9mmol,0.9mmol)添加到含有磁子的管中。之后,使用注射器添加甲醇(3.0mL)。然后将(2-溴代乙炔基)三异丙基硅烷(240mg,0.9mmol)添加到上述中。将反应混合物在40℃下在油浴中搅拌48小时。将反应混合物冷却至室温。混合物经快速柱层析纯化得到黄色液体(90.9mg,0.153mmol),产率51%。
1H NMR(400MHz,CDCl3)δ7.41(dd,J=8.6,5.5Hz,1H),6.92(t,J=8.6Hz,1H),3.66(s,3H),2.57(t,J=6.6Hz,2H),2.22(t,J=5.9Hz,2H),1.85-1.79(m,2H),1.56(s,3H),1.08(d,J=6.1Hz,36H).13C NMR(100MHz,CDCl3)δ164.4,161.9,154.8,146.9,142.5,133.6,133.6,129.1,120.2(d,J=3.5Hz),113.8,113.6,113.3,113.2,105.2,98.7,91.6,61.5,31.7,22.7,21.2,20.8,18.8,18.8,18.8,18.8,11.4,11.4,1.2.HRMS(ESI)m/z:[M+Na]+calculated for C36H57FNOSi2:594.3958:594.3957.用高效液相色谱法用ChiralpakINC柱(己烷:2-丙醇=98:2,1.0mL/min,254nm,34%ee)测定ee值;主要对映体tr=1.922min。[α]25D=-4.23(c=1.5,CHCl3).
实施例16:
(E)-3-((E)-2'-(甲氧基亚氨基)-4,6'-二甲基-6-((三异丙基硅烷基)乙炔基)-2',3',4',5'-四氢-[1,1'-联苯]-2-基)丙烯酸乙酯
将(E)-4',6-二甲基-4,5-二氢-[1,1'-联苯]-2(3H)-O-甲基肟(0.3mmol),醋酸钯(6.7mg,10mol%),N-乙酰-L-丙氨酸(7.9mg,20mol%),碳酸银(250mg,0.9mmol,0.9mmol)添加到含有磁子的管中。之后,使用注射器添加甲醇(2.0mL)。然后丙烯酸乙酯(98uL,0.9mmol)添加到上述中。将反应混合物在40℃下在油浴中搅拌48小时。将反应混合物冷却至室温。经快速柱层析纯化的中间产物(0.2mmol),醋酸钯(5.0mg,10mol%),N-乙酰-L-丙氨酸(5.3mg,20mol%),碳酸银(165mg,0.6mmol)添加到含有磁子的管中。之后,使用注射器添加甲醇(2.0mL)。然后将(2-溴代乙炔基)三异丙基硅烷(160mg,0.6mmol)添加到上述中。将反应混合物在40℃下在油浴中搅拌48小时,混合物经快速柱层析纯化得到黄色液体(71.1mg,0.142mmol),产率71%。
1H NMR(400MHz,CDCl3)δ7.51(d,J=16.0Hz,1H),7.31(d,J=17.6Hz,2H),6.25(d,J=16.0Hz,1H),4.14(q,J=7.1Hz,2H),3.55(s,3H),2.75-2.65(m,1H),2.42-2.32(m,1H),2.27(s,3H),2.23-2.14(m,2H),1.85-1.73(m,2H),1.39(s,3H),1.25-1.17(m,6H),1.00(d,J=2.5Hz,18H).13C NMR(100MHz,CDCl3)δ167.3,155.9,143.9,143.5,139.6,136.3,135.1,133.5,128.3,126.5,124.6,118.7,106.2,91.8,61.6,60.4,31.8,29.8,22.9,21.4,21.1,21.0,18.8,18.8,14.4,11.4.HRMS(ESI)m/z:[M+Na]+calculated for C31H46NO3Si:508.3221:508.3241.HPLC采用Chiralpak AD-H+OX-H柱(己烷:2-丙醇=99:1,0.3mL/min,254nm,98%ee)测定ee值;主对映体tr=28.850min,次要对映体tr=26.132min。[α]25D=-16(c=2.3,CHCl3).
实施例17:
(E)-3',6-二甲基-2'-((三异丙基硅烷基)乙炔基)-6'-((E)-2-(三甲基硅烷基)乙烯基)-4,5-二氢-[1,1'-联苯]-2(3H)-O-甲基肟
将(E)-3',6-二甲基-4,5-二氢-[1,1'-联苯]-2(3H)-O-甲基肟(0.3mmol),醋酸钯(6.7mg,10mol%),N-乙酰-L-丙氨酸(7.9mg,20mol%),碳酸银(250mg,0.9mmol,0.9mmol)添加到含有磁子的管中。之后,使用注射器添加甲醇(2.0mL)。然后乙烯基硅烷(132uL,0.9mmol)添加到上述中。将反应混合物在40℃下在油浴中搅拌48小时。经快速柱层析纯化的中间产物(0.2mmol),醋酸钯(5.0mg,10mol%),N-乙酰-L-丙氨酸(5.3mg,20mol%)和碳酸银(165mg,0.6mmol)添加到含有磁子的管中。之后,使用注射器添加甲醇(2.0mL)。然后将(2-溴代乙炔基)三异丙基硅烷(160mg,0.6mmol)添加到上述中。将反应混合物在40℃下在油浴中搅拌48小时,混合物经快速柱层析纯化得到黄色液体(52.8mg,0.104mmol),产率52%。
1H NMR(400MHz,CDCl3)δ7.46(d,J=8.0Hz,1H),7.11(d,J=8.0Hz,1H),6.75(d,J=19.2Hz,1H),6.26(d,J=19.2Hz,1H),3.64(s,3H),2.81-2.69(m,1H),2.54-2.47(m,1H),2.46(s,3H),2.28-2.21(m,2H),1.94-1.86(m,1H),1.81-1.74(m,1H),1.44(s,3H),1.09(d,J=2.6Hz,18H),0.08(s,9H).13C NMR(100MHz,CDCl3)δ155.6,142.8,142.4,140.3,140.2,134.9,129.2,128.7,128.0,124.1,123.9,105.3,95.9,61.6,31.9,22.9,21.6,21.4,21.2,18.9,18.8,11.5,-1.0.HRMS(ESI)m/z:[M+Na]+calculated for C31H50NOSi2:508.3430:508.3425.HPLC采用Chiralpak AD-H+OX-H柱(己烷:2-丙醇=99.2:0.8,0.3mL/min,254nm,100%ee);主要对映体tr=27.850min。[α]25D=-29(c=0.9,CHCl3).
实施例18:
(E)-2'-((叔丁基二甲基硅烷基)乙炔基)-4',6-二甲基-6'-((三异丙基硅烷基)乙炔基)-4,5-二氢-[1,1'-联苯]-2(3H)-O-甲基肟
将(E)-4'-氯-6-甲基-4,5-二氢-[1,1'-联苯]-2(3H)-O-甲基肟(0.3mmol),醋酸钯(6.7mg,10mol%),N-乙酰-L-丙氨酸(7.9mg,20mol%),碳酸银(250mg,0.9mmol,0.9mmol)添加到含有磁子的管中。之后,使用注射器添加甲醇(2.0mL)。然后(2-溴乙炔基)叔丁基二甲基硅烷(0.195g,0.9mmol)添加到上述中。将反应混合物在40℃下在油浴中搅拌48小时。经快速柱层析纯化的中间产物(0.2mmol),醋酸钯(5.0mg,10mol%),N-乙酰-L-丙氨酸(5.3mg,20mol%),碳酸银(165mg,0.6mmol)添加到含有磁子的管中。之后,使用注射器添加甲醇(2.0mL)。然后将(2-溴代乙炔基)三异丙基硅烷(160mg,0.6mmol)添加到上述中。将反应混合物在40℃下在油浴中搅拌48小时,混合物经快速柱层析纯化得到黄色液体(40.9mg,0.072mmol),产率36%。
1H NMR(400MHz,CDCl3)δ7.41(s,2H),3.66(s,3H),2.62-2.49(m,2H),2.23-2.19(m,2H),1.84-1.77(m,2H),1.54(s,3H),1.25(s,3H),1.06(s,18H),0.93(s,9H),0.11(s,6H).13CNMR(100MHz,CDCl3)δ155.0,142.9,142.7,132.3,132.0,131.7,128.8,125.9,125.5,104.7,103.4,95.7,93.7,61.6,31.7,29.9,26.2,22.8,21.2,20.8,18.8(d,J=1.6Hz),16.7,11.4,-4.5.HRMS(ESI)m/z:[M+Na]+calculated for C33H51ClNOSi2:568.3182:568.3192.HPLC采用Chiralpak AD-H+OX-H柱(己烷:2-丙醇=99:1,0.3mL/min,254nm,98%ee)测定ee值;主对映体tr=28.850min,次要对映体tr=26.132min。[α]25D=-9.17(c=0.6,CHCl3).
实施例19:
(E)-2-(2-乙炔基萘-1-基)-3-甲基环己-2-烯-1-酮-O-甲基肟
依次将(E)-3-甲基-2-(2-((三异丙基硅基)乙炔基)萘-1-基)环己-2-烯-1-酮-O-甲基肟(700mg,2.6mmol),***(11mL)加入到25毫升的圆底烧瓶中。磁子搅拌溶解后加入1M四丁基氟化铵的四氢呋喃溶液(3.2mL,3.2mmol),继续搅拌1h。混合物经快速柱层析纯化得到淡黄色液体(458.4mg,1.586mmol),产率61%。
1H NMR(400MHz,CDCl3)δ7.71-7.64(m,1H),7.59(d,J=8.5Hz,2H),7.45(d,J=8.5Hz,1H),7.35-7.26(m,2H),3.41(s,3H),2.98(s,1H),2.70-2.55(m,2H),2.26(t,J=6.1Hz,2H),1.89-1.77(m,2H),1.34(s,3H).13C NMR(100MHz,CDCl3)δ156.0,143.9,141.0,133.1,132.1,128.8,128.3,128.1,126.9,126.4,126.4,126.3,119.4,83.7,79.3,61.6,31.9,23.1,21.4,21.2.HRMS(ESI)m/z:[M+Na]+calculated for C20H20NO:568.3182:568.3192.HPLC采用Chiralpak IA+OX-H柱(己烷:2-丙醇=99:1,0.8mL/min,254nm,98%ee)测定ee值;主对映体tr=10.739min,次要对映体tr=11.377min。[α]25D=61(c=0.004,CHCl3)
实施例20:
(E)-2-(2-(1-苄基-1H-1,2,3-***-4-基)萘-1-基)-3-甲基环己-2-烯-1-酮-O-甲基肟
将(E)-2-(2-乙炔基萘-1-基)-3-甲基环己-2-烯-1-酮-O-甲基肟(0.2mmol),苄基叠氮(0.2mmol),CuI(10mol%),DMF(2mL)混合在烧瓶中,在80℃下搅拌反应12h。在优化过程中,使用GC(内标:二苯甲酮)和薄层色谱跟踪反应进程。待反应完全后,将反应混合物冷却至室温,混合物经快速柱层析纯化得到白色固体(51.5mg,0.122mmol),产率61%。
1H NMR(400MHz,CDCl3)δ8.11(d,J=8.6Hz,1H),7.74(dd,J=16.0,8.2Hz,2H),7.55(d,J=8.1Hz,1H),7.34-7.25(m,6H),7.14(d,J=7.5Hz,2H),5.51(d,J=14.8Hz,1H),5.34(d,J=14.8Hz,1H),3.34(s,3H),2.63-2.53(m,1H),2.23-2.09(m,2H),1.78-1.64(m,2H),1.44-1.34(m,1H),1.09(s,3H).13C NMR(100MHz,CDCl3)δ155.7,147.4,143.9,135.0,133.7,133.2,132.3,129.2,128.8,128.5,128.1,128.0,127.4,127.2,126.2,126.0,126.0,125.7,121.7,61.6,54.0,31.6,22.7,21.2,20.7.HRMS(ESI)m/z:[M+Na]+calculated for C27H26N4NaO:445.1983:445.1999.HPLC用Chiralpak AD-H+OX-H柱(己烷:2-丙醇=99:1,0.3mL/min,254nm,88%ee)测定ee值;主对映体tr=10.739min,次要对映体tr=11.377min。[α]25D=+10.6(c=0.57,CHCl3).
实施例21:
实施例20所得化合物(E)-2-(2-(1-苄基-1H-1,2,3-***-4-基)萘-1-基)-3-甲基环己-2-烯-1-酮-O-甲基肟与铜形成的催化剂可用于催化不对称合成手性胺,路线如下反应式所示:
在室温下及氮气中,将(CuOTf)C6H6(0.02mmol)加入到手性配体L(0.02mmol)的甲苯(2mL)溶液中。搅拌10min后,加入亚胺(0.2mmol)和苯乙炔(0.3mmol)。反应混合物在室温下搅拌72h,混合物经快速柱层析纯化得到黄色液体,产率72%,34%ee。
HPLC采用Chiralpak OX-H+OX-H柱(己烷:2-丙醇=98:2,0.7mL/min,254nm,34%ee)测定ee值;主对映体tr=11.106min,次要对映体tr=12.078min。[α]25 D=-7.12(c=2.60,CHCl3).
对比例1:
制备方法与实施例21相同,但不加入手性配体L,经相同处理后得到的产物经HPLC测定ee值为0,为消旋化合物,从而说明配体L在催化反应中发挥了手性诱导作用。

Claims (7)

1.一种轴手性芳乙炔基硅烷化合物,其特征在于,其结构式通式(1)表示为:
其中,R1为甲基、异丙基、叔丁基或苯基中任一种;R4、R5、R6独自为甲基、异丙基、叔丁基中任一种;R2选自氢、甲基中任一种;R3选自甲基、甲氧基、氟、氯或溴中任一种。
2.根据权利要求1所述的轴手性芳乙炔基硅烷化合物的制备方法,其特征在于,以钯盐与配体形成的络合物为催化剂前体,以2-芳基环己-2-烯-1-酮肟和2-溴乙炔基硅烷为反应物,在氧化剂的存在下,在反应介质中对反应物中碳-氢键进行不对称炔基化,得到所述轴手性芳乙炔基硅烷化合物;
所述氧化剂选自醋酸银、三氟甲烷磺酸银、氧化银、碳酸银中一种或多种;
所述2-芳基环己-2-烯-1-酮肟的结构通式如(2)所示,所述2-溴乙炔基硅烷的结构通式如(3)所示:
其中R1、R2、R3、R4、R5、R6的定义如权利要求1所述;
反应液中2-芳基环己-2-烯-1-酮肟的摩尔浓度为0.1~1mol/L;2-溴乙炔基硅烷的用量为2-芳基环己-2-烯-1-酮肟的110~300mol%。
3.根据权利要求2所述的轴手性芳乙炔基硅烷化合物的制备方法,其特征在于,所述配体为N-单保护手性氨基酸,包括Boc-D-Val-OH、Boc-lle-OH、Boc-phe-OH、Boc-L-TLE-OH、N-Ac-L-Ala-OH、N-CBZ-L-Val-OH、CBZ-L-Phe-OH、N-Ac-L-Leu-OH中任一种,其结构式分别如下所示:
4.根据权利要求2所述的轴手性芳乙炔基硅烷化合物的制备方法,其特征在于,所述钯盐选自醋酸钯、三氟乙酸钯,四乙腈四氟硼酸钯或氯化钯中任一种或多种。
5.根据权利要求2所述的轴手性芳乙炔基硅烷化合物的制备方法,其特征在于,所述反应介质包括甲醇、四氢呋喃、二氯甲烷、***、乙酸乙酯、丙酮中任一种或多种的混合物。
6.根据权利要求2所述的轴手性芳乙炔基硅烷化合物的制备方法,其特征在于,所述钯盐的用量为2-芳基环己-2-烯-1-酮肟的1~10mol%;所述配体的用量为2-芳基环己-2-烯-1-酮肟的2~20mol%;所述氧化剂的用量为2-芳基环己-2-烯-1-酮肟的110~300mol%。
7.根据权利要求2所述的轴手性芳乙炔基硅烷化合物的制备方法,其特征在于,反应条件为空气环境下40~70℃,反应时间为10~48h。
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108250229A (zh) * 2018-01-19 2018-07-06 浙江大学 一种钯催化不对称炔基化的方法合成轴手性联芳化合物

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Zhao Li 等.Combined Dynamic Kinetic Resolution and C-H Functionalization for Facile Synthesis of Non-Biaryl-Atropisomer-Type Axially Chiral Organosilanes.《Chem. Eur. J.》.2021,第27卷第4336-4340页. *

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