一种e式甲基苯乙烯类化合物的合成方法

文档序号:1417792 发布日期:2020-03-13 浏览:23次 >En<

阅读说明:本技术 一种e式甲基苯乙烯类化合物的合成方法 (Synthetic method of E-type methyl styrene compound ) 是由 朱少林 叶峰 韩博 于 2019-10-16 设计创作,主要内容包括:一种由烯丙基型苯异构成E式烷基苯乙烯类化合物的方法,它是在氮气保护下,将丙烯基型苯在金属镍盐、配体和添加剂存在下,在溶剂中,在0℃~50℃反应24-36h,即得E式烷基苯乙烯类化合物,所述的配体是2,2’-联吡啶或烷基取代的2,2’-联吡啶;所述的添加剂是锰粉、锌粉、亚磷酸二乙酯、苯基亚磷酸乙酯、乙酸的一种或多种。本发明的制备方法具有方法简单,原料便宜、易得,操作简便等优点。(A method for forming E-type alkyl styrene compounds from allyl benzene comprises the steps of reacting allyl benzene in a solvent for 24-36 hours at 0-50 ℃ in the presence of a metal nickel salt, a ligand and an additive under the protection of nitrogen to obtain the E-type alkyl styrene compounds, wherein the ligand is 2,2 &#39;-bipyridyl or alkyl-substituted 2,2&#39; -bipyridyl; the additive is one or more of manganese powder, zinc powder, diethyl phosphite, phenyl ethyl phosphite and acetic acid. The preparation method has the advantages of simple method, cheap and easily obtained raw materials, simple and convenient operation and the like.)

一种E式甲基苯乙烯类化合物的合成方法

技术领域

本发明方法属于有机化学和药物化学领域,涉及E式甲基苯乙烯类化合物及其合成方法。

背景技术

β-甲基取代的芳基乙烯广泛存在于各种天然产物、药物分子和香料中 ((a)Dewick,P.M.Medicinal Natural Products-A Biosynthetic Approach,3rd ed.;Wiley:Chippenham,2009;pp 156–159.(b)Petersen,M.;Hans,J.;Matern,U. Biosynthesis ofPhenylpropanoids and Related Compounds.In Annual Plant Reviews, 2nd ed.;Wink,M.,Ed.;Wiley-Blackwell:Oxford,2010;Vol.40,pp 182–257.(c) Chapuis,C.;Jacoby,D.Catalysis in the Preparation of Fragrances and Flavours.Appl. Catal.,A2001,221,93–117.)。由于通过引入烯丙基制备烯丙基芳烃相对简单,因此工业上合成β-甲基取代的芳基乙烯类化合物最常见的合成方法是从易获得的烯丙基芳烃前体出发,通过烯烃的异构化来实现。

Figure DEST_PATH_IMAGE001

目前已报道的双键异构化的方法主要包括碱催化和过渡金属催化 (Isomerizationof Allylbenzenes.Chem.Rev.2015,115,5462–5569;and references cited therein):

目前工业上大量制备的路线是使用过量的碱在200℃高温下反应,反应成本较低,但是反应条件较为剧烈,同时产物的双键顺反构型比例也不是很理想 (~80:20E/Z)。(GreenChem.2002,4,607–610.)。

作为替代路线,通常来讲,使用过渡金属催化能克服以上问题(综述详见 Larsen,C.R.;Grotjahn,D.B.“The Value and Application of Transition Metal CatalyzedAlkene Isomerization in Industry”in Applied Homogeneous Catalysis withOrganometallic Compounds;Cornils,B.;Herrmann,W.A.;Beller,M.;Paciello,R.,Eds.;Wiley-VCH:Weinheim,Germany,2017;Vol.4,pp.1365–1378.)。

2009年Lindhard报道了钯氢催化的烯烃异构化,反应温度需要加热到80℃。(J.Am.Chem.Soc.2010,132,7998–8009)。

Figure DEST_PATH_IMAGE002

2011年Wangelin报道了铁催化的烯烃异构化。(ChemCatChem2011,3, 1567–1571)。

Figure DEST_PATH_IMAGE003

2015年Hilt报道了钴催化的烯烃异构化,反应使用到10mol%的催化剂。(Angew.Chem.,Int.Ed.2015,54,801–804)。

Figure DEST_PATH_IMAGE004

2017年Kegnas报道了镍钴的纳米颗粒催化剂实现了烯烃异构化,催化剂当量较高(8mol%),反应温度需要加热到140℃。(ChemCatChem2017,9, 2930–2934)。

Figure DEST_PATH_IMAGE005

2019年Schoenebeck报道了镍自由基催化的1,3-H原子转移的途径实现了相关转化。催化剂当量较高,需要使用5mol%的双核镍催化剂,同时使用到的NHC 氮杂卡宾配体价格也较高,不适合工业化。

发明内容

本发明的目的提供一种E式甲基苯乙烯类化合物的制备方法,本发明的技术方案如下:

一种由烯丙基型苯异构成E式烷基苯乙烯类化合物的方法,它是在氮气保护下,将丙烯基型苯在金属镍盐、配体和添加剂存在下,在溶剂中,在0℃~50℃反应24-36h,即得E式烷基苯乙烯类化合物,所述的配体可以是2,2’-联吡啶或烷基取代的2,2’-联吡啶;所述的添加剂可以是锰粉、锌粉、亚磷酸二乙酯、苯基亚磷酸乙酯或乙酸的一种或多种

上述的方法,所述的烯丙基型苯有如下结构:

Figure BDA0002236083630000031

其中:R1为氢原子、2~10个碳的酯基、2~10个碳的酰胺基、2~10个碳的烷基、 6~18个碳的芳香基,或者为吸电子基或给电子基单取代或多取代的6~18个碳的芳香基;其中R2为氢原子;所述的E式烷基苯乙烯类化合物有如下结构:

Figure BDA0002236083630000032

其中:R3为甲基、烷基、酯基或苯基。

上述的方法,所述的溶剂可以是N,N-二甲基乙酰胺、N,N-二甲基甲酰胺、 N,N-二甲基丙烯基脲、N-甲基吡咯烷酮、四氢呋喃、甲苯、1,2-二氯乙烷、氯仿、乙腈、乙二醇二甲醚、二乙二醇二***或二甲基亚砜中的一种或多种。

上述的方法,所述的R1为吸电子基取代的芳香基的吸电子基可以是卤素,所述的R1为给电子基取代的芳香基的给电子基可以是1~12个碳的烷基、烷氧基、羟基、巯基或胺基。

上述的方法,所述的金属镍盐可以是碘化镍、碘化镍水合物、氯化镍、氯化镍六水合物、氯化镍乙二醇二甲醚复合物、溴化镍、溴化镍三水合物、溴化镍二乙二醇二甲醚复合物、溴化镍乙二醇二甲醚复合物、双-(1,5-环辛二烯)镍复合物。

上述的方法,所述的烯烃、金属镍盐、配体和添加剂的摩尔比是(1.0-4.00): (0.05-0.2):(0.06-0.24):(0-4.0);优选的比例为2.0:0.10:0.12:(0-2.0)。

本发明方法原料便宜易得,操作简便,适用于工业化生产。

具体实施方式

以下实例有助于了解本发明。

实施例1

Figure BDA0002236083630000041

的合成

按通用操作步骤,以丁香酚(1a)(164.1mg,1.0mmol)为原料,0.50 mol%碘化镍(1.5mg,0.005mmol)为催化剂,0.60mol%6,6'-二甲基-2,2'-联吡啶(1.0mg,0.006mmol)为配体,锌粉(19.5mg,0.30mmol,0.30equiv)为还原剂,亚磷酸二乙酯(30.0mg,0.20mmol,0.20equiv)为氢源,无水N,N-二甲基乙酰胺(1.0mL)为溶剂进行反应。反应体系在35℃下搅拌24小时,经硅胶柱层析(石油醚:乙酸乙酯=10:1)得到浅黄色油状物(148.2mg),分离收率90%, E/Z比为97:3(由GC对反应体系进行检测得到)。IR(neat,cm-1):3436,2930,1596,1509,1424,1366,1260,1229,1152,1119,1030,959,854,784.1H NMR(500MHz, CDCl3):δ6.89–6.86(m,3H),6.35(dd,J=15.7,1.7Hz,1H),6.11(dd,J=15.7,6.7 Hz,1H),5.62(s,1H),3.92(s,3H),1.93(dd,J=7.2,1,8Hz,3HMe,minor),1.89(dd,J= 6.6,1.7Hz,3HMe,major).13C NMR(126MHz,CDCl3):δ146.5,144.7,130.7,130.6, 123.4,119.3,114.3,107.8,55.8,18.3.MS(EI)[M]+m/z 164.1.

实施例2

Figure BDA0002236083630000042

的合成

按通用操作步骤,以甲基丁香酚(1b)(178.1mg,1.0mmol)为原料, 0.50mol%碘化镍(1.5mg,0.005mmol)为催化剂,0.60mol%6,6'-二甲基-2,2'- 联吡啶(1.0mg,0.006mmol)为配体,锌粉(19.5mg,0.30mmol,0.30equiv)为还原剂,苯基亚磷酸乙酯(34.0mg,0.20mmol,0.20equiv)为氢源,无水N,N-二甲基乙酰胺(1.0mL)为溶剂进行反应。反应体系在35℃下搅拌24小时,经硅胶柱层析(石油醚:乙酸乙酯=10:1)得到无色油状物(160.0mg),分离收率 90%,E/Z比为98:2(由GC对反应体系进行检测得到)。IR(neat,cm-1):2934,1582, 1511,1463,1415,1261,1228,1156,1136,1024,960,854,782,733.1H NMR(500MHz,CDCl3):δ6.98–6.76(m,3H),6.36(dd,J=15.7,1.6Hz,1H),6.13(dq,J= 15.7,6.6Hz,1H),3.91(s,3H),3.89(s,3H),1.93(dd,J=7.2,1.8Hz,3HMe,minor), 1.89(dd,J=6.6,1.7Hz,3HMe,major).13C NMR(126MHz,CDCl3):δ148.9,148.1, 131.1,130.6,123.8,118.6,111.1,108.4,55.9,18.4.MS(EI)[M]+m/z 178.2.

实施例3的合成

按通用操作步骤,以榄香素(1c)(208.0mg,1.0mmol)为原料,0.50 mol%碘化镍(1.5mg,0.005mmol)为催化剂,0.60mol%6,6'-二甲基-2,2'-联吡啶 (1.0mg,0.006mmol)为配体,锌粉(19.5mg,0.30mmol,0.30equiv)为还原剂,亚磷酸二乙酯(30.0mg,0.20mmol,0.20equiv)为氢源,无水N,N-二甲基乙酰胺 (1.0mL)为溶剂进行反应。反应体系在35℃下搅拌24小时,经硅胶柱层析(石油醚:乙酸乙酯=10:1)得到浅黄色油状物(202.4mg),分离收率97%,E/Z比为98:2(由GC对反应体系进行检测得到)。IR(neat,cm-1):3050,1264,1128,734. 1H NMR(400MHz,CDCl3):δ6.56(s,2H),6.33(dd,J=15.7,1.5Hz,1H),6.15(dq, J=15.6,6.6Hz,1H),3.87(s,6H),3.83(s,3H),1.88(dd,J=6.6,1.5Hz,3H).13C NMR(101MHz,CDCl3):δ153.2,137.2,133.7,130.9,125.3,102.8,60.9,56.0,18.3. MS(EI)[M]+m/z208.1.

实施例4

Figure BDA0002236083630000052

的合成

按通用操作步骤,以胡椒酚甲醚(1d)(148.1mg,1.0mmol)为原料,0.50mol%碘化镍水合物(2.1mg,0.005mmol)为催化剂,0.60mol%6,6'-二甲基 -2,2'-联吡啶(1.0mg,0.006mmol)为配体,锌粉(19.5mg,0.30mmol,0.30equiv) 为还原剂,亚磷酸二乙酯(30.0mg,0.20mmol,0.20equiv)为氢源,无水N,N- 二甲基甲酰胺(1.0mL)为溶剂进行反应。反应体系在35℃下搅拌24小时,经硅胶柱层析(石油醚:乙酸乙酯=10:1)得到浅黄色油状物(144.5mg),分离收率97%,E/Z比为97:3(由GC对反应体系进行检测得到)。IR(neat,cm-1):3357, 1606,1508,1440,1282,1243,1174,1034,962,837,786.1H NMR(400MHz, CDCl3)δ7.21–7.17(m,2H),6.78–6.74(m,2H),6.27(dd,J=15.7,1.5Hz,1H), 6.02(dq,J=15.7,6.6Hz,1H),3.74(s,3HOMe,minor),3.73(s,3HOMe,major),1.82(dd,J =7.2,1.8Hz,3HMe,minor),1.78(dd,J=6.6,1.7Hz,3HMe,major).13C NMR(101MHz, CDCl3)δ158.5,130.8,130.3,126.8,123.4,113.9,55.2,18.4.MS(EI)[M]+m/z 148.1.

实施例5

Figure BDA0002236083630000061

的合成

按通用操作步骤,以4-烯丙基-2-甲氧基苯基三氟甲磺酸酯(1e)(296.0 mg,1.0mmol)为原料,0.50mol%碘化镍水合物(2.1mg,0.005mmol)为催化剂, 0.60mol%6,6'-二甲基-2,2'-联吡啶(1.0mg,0.006mmol)为配体,锌粉(19.5mg, 0.30mmol,0.30equiv)为还原剂,亚磷酸二乙酯(30.0mg,0.20mmol,0.20equiv) 为氢源,无水N,N-二甲基乙酰胺(1.0mL)为溶剂进行反应。反应体系在35℃下搅拌36小时,经硅胶柱层析(石油醚:乙酸乙酯=9:1)得到浅黄色油状物(252.3 mg),分离收率85%,E/Z比为95:5(由GC对反应体系进行检测得到)。IR(neat, cm-1):2934,1599,1503,1415,1301,1247,1200,1136,1104,1031,962,870,784, 737,708.1H NMR(500MHz,CDCl3):δ7.15(d,J=8.4Hz,1H),7.01-6.90(m,2H),6.39(dd,J=15.7,1.7Hz,1H),6.28(dq,J=15.7,6.5Hz,1H),3.94(s,3H), 1.92(dd,J=6.6,1.5Hz,3H).13C NMR(126MHz,CDCl3):δ151.2,139.3,137.4, 129.7,128.0,122.3,118.7(q,JC-F=321.3Hz),118.2,110.1,56.0,18.4.19F NMR (471MHz,CDCl3):δ-73.8HRMS(APCI)calculated for C11H12F3O4S:297.0403 [M+H]+,found:297.0394.

实施例6

Figure BDA0002236083630000071

的合成

按通用操作步骤,以(4-烯丙基-2-甲氧基苯氧基)(叔丁基)二甲基硅烷(1f)(278.2mg,1.0mmol)为原料,0.50mol%碘化镍水合物(2.1mg,0.005 mmol)为催化剂,0.60mol%6,6'-二甲基-2,2'-联吡啶(1.0mg,0.006mmol)为配体,锌粉(19.5mg,0.30mmol,0.30equiv)为还原剂,亚磷酸二乙酯(30.0mg, 0.20mmol,0.20equiv)为氢源,无水N,N-二甲基甲酰胺(1.0mL)为溶剂进行反应。反应体系在35℃下搅拌24小时,经硅胶柱层析(石油醚:乙酸乙酯=20:1) 得到浅黄色油状物(231.5mg),分离收率83%,E/Z比为92:8(由GC对反应体系进行检测得到)。IR(neat,cm-1):2929,1509,1462,1277,1228,1157,1124,1034,966,888,837,780.1H NMR(500MHz,CDCl3):δ6.91–6.75(m,3H),6.35(dd,J= 15.7,1.6Hz,1H),6.12(dq,J=15.7,6.6Hz,1H),3.84(s,1H),1.93(dd,J=7.2,1.8 Hz,3HMe,minor),1.88(dd,J=6.6,1.6Hz,3HMe,major),1.03(s,9H),0.16(s,6H).13C NMR(126MHz,CDCl3):δ150.9,144.2,131.9,130.7,123.7,120.8,118.6,109.4, 55.4,25.7,18.4,18.3,-4.6.HRMS(ESI)calculated for C16H26O2SiNa:301.1594 [M+Na]+,found:301.1595.

实施例7

Figure BDA0002236083630000072

的合成

按通用操作步骤,以4-烯丙基-2-甲氧基苯乙酸酯(1g)(206.1mg,1.0 mmol)为原料,0.50mol%氯化镍(0.65mg,0.005mmol)为催化剂,0.60mol% 6,6'-二甲基-2,2'-联吡啶(1.0mg,0.006mmol)为配体,锌粉(19.5mg,0.30mmol, 0.30equiv)为还原剂,亚磷酸二乙酯(30.0mg,0.20mmol,0.20equiv)为氢源,无水N,N-二甲基乙酰胺(1.0mL)为溶剂进行反应。反应体系在35℃下搅拌24 小时,经硅胶柱层析(石油醚:乙酸乙酯=10:1)得到无色油状物(173.2mg),分离收率84%,E/Z比为94:6(由GC对反应体系进行检测得到)。IR(neat,cm-1): 2953,1755,1592,1511,1411,1372,1300,1262,1193,1158,1119,1029,983,895,875,836,792,759,657,599,518.1H NMR(500MHz,CDCl3):δ7.00–6.89(m, 3H),6.39(dd,J=15.7,1.5Hz,1H),6.21(dq,J=15.7,6.6Hz,1H),3.86(s,3H), 2.33(s,3H),1.93(dd,J=7.2,1.8Hz,3HMe,minor),1.90(dd,J=6.6,1.6Hz,3HMe,major).13C NMR(126MHz,CDCl3):δ169.3,150.9,137.1,130.4,126.1,122.6,118.3, 109.5,55.7,20.7,18.4.HRMS(ESI)calculated for C12H14O3Na:229.0835[M+Na]+, found:229.0833.

实施例8

Figure BDA0002236083630000081

的合成

按通用操作步骤,以4-烯丙基-2-甲氧基-4-甲基苯磺酸酯(1h)(318.1 mg,1.0mmol)为原料,0.50mol%氯化镍(0.65mg,0.005mmol)为催化剂,0.60 mol%6,6'-二甲基-2,2'-联吡啶(1.0mg,0.006mmol)为配体,锌粉(19.5mg,0.30 mmol,0.30equiv)为还原剂,苯基亚磷酸乙酯(34.0mg,0.20mmol,0.20equiv) 为氢源,N,N-二甲基丙烯基脲(1.0mL)为溶剂进行反应。反应体系在35℃下搅拌36小时,经硅胶柱层析(石油醚:乙酸乙酯=9:1)得到黄色油状物(277.6 mg),分离收率87%,E/Z比>99:1(由GC对反应体系进行检测得到)。IR(neat, cm-1):2921,1596,1504,1410,1365,1297,1259,1174,1158,1111,1087,1033,962, 834,809,784,746,708.1H NMR(500MHz,CDCl3):δ7.76(d,J=8.3Hz,2H), 7.33–7.27(m,2H),7.07(d,J=8.3Hz,1H),6.87–6.76(m,2H),6.33(d,J=15.8 Hz,1H),6.20(dq,J=15.6,6.5Hz,1H),3.56(s,3H),2.45(s,3H),1.91–1.87(m, 3H).13C NMR(126MHz,CDCl3):δ151.6,144.9,138.0,137.1,133.2,130.1,129.3, 128.6,127.0,123.9,118.1,109.7,55.4,21.6,18.4.MS(EI)[M]+m/z 318.1.

实施例9

Figure BDA0002236083630000082

的合成

按通用操作步骤,以4-烯丙基-1-苄氧基-2-甲氧基苯(1i)(254.1mg,1.0 mmol)为原料,0.50mol%氯化镍(0.65mg,0.005mmol)为催化剂,0.60mol% 6,6'-二甲基-2,2'-联吡啶(1.0mg,0.006mmol)为配体,锌粉(19.5mg,0.30mmol, 0.30equiv)为还原剂,亚磷酸二乙酯(30.0mg,0.20mmol,0.20equiv)为氢源,无水N,N-二甲基乙酰胺(1.0mL)为溶剂进行反应。反应体系在35℃下搅拌24 小时,经硅胶柱层析(石油醚:乙酸乙酯=10:1)得到白色固体(218.3mg),分离收率86%,E/Z比为92:8(由GC对反应体系进行检测得到)。IR(neat,cm-1):2861, 1581,1509,1454,1413,1379,1252,1221,1160,1133,1032,1006,962,918,851,812,780,742.1H NMR(500MHz,CDCl3):δ7.51–7.29(m,5H),6.97–6.78(m, 3H),6.36(dd,J=15.7,1.5Hz,1H),6.13(dq,J=15.6,6.6Hz,1H),5.17(s,2H), 3.93(s,3H),1.93(dd,J=7.2,1.8Hz,3HMe,minor),1.89(dd,J=6.6,1.6Hz,3HMe,major).13C NMR(126MHz,CDCl3):δ149.6,147.2,137.2,131.6,130.5,128.5,127.8, 127.2,124.0,118.5,114.0,109.0,71.0,55.9,18.2.HRMS(ESI)calculated for C17H18O2Na:277.1199[M+Na]+,found:277.1194.

实施例10

Figure BDA0002236083630000091

的合成

按通用操作步骤,以5-烯丙基-2-羟基-3-甲氧基苯甲酸甲酯(1j) (222.1mg,1.0mmol)为原料,0.50mol%氯化镍六水合物(1.2mg,0.005mmol) 为催化剂,0.60mol%6,6'-二甲基-2,2'-联吡啶(1.0mg,0.006mmol)为配体,锌粉(19.5mg,0.30mmol,0.30equiv)为还原剂,亚磷酸二乙酯(30.0mg,0.20 mmol,0.20equiv)为氢源,无水N-甲基吡咯烷酮(1.0mL)为溶剂进行反应。反应体系在35℃下搅拌24小时,经硅胶柱层析(石油醚:乙酸乙酯=10:1)得到白色固体(171.6mg),分离收率77%,E/Z比为98:2(由GC对反应体系进行检测得到)。IR(neat,cm-1):2954,1685,1443,1269,1197,1173,1136,1066,954, 855,756.1HNMR(400MHz,CDCl3):δ10.85(s,1H),7.29(d,J=1.9Hz,1H),6.99 (d,J=1.9Hz,1H),6.27–6.21(m,1H),6.05(dq,J=15.7,6.6Hz,1H),3.88(s,3H), 3.85(s,3H),1.83(dd,J=7.0,1.5Hz,3HMe,minor),1.80(dd,J=6.6,1.6Hz,3HMe,major).13C NMR(101MHz,CDCl3):δ170.8,151.1,148.5,129.9,128.9,124.5,118.5, 113.5,112.2,56.1,52.4,18.3.HRMS(ESI)calculated for C12H15O4:223.0965 [M+H]+,found:223.0965.

实施例11

Figure BDA0002236083630000101

的合成

按通用操作步骤,以4-烯丙基-2-甲氧基苯-4-碘苯甲酸酯(1k)(394.0 mg,1.0mmol)为原料,0.50mol%氯化镍六水合物(1.2mg,0.005mmol)为催化剂,0.60mol%6,6'-二甲基-2,2'-联吡啶(1.0mg,0.006mmol)为配体,锌粉(19.5 mg,0.30mmol,0.30equiv)为还原剂,亚磷酸二乙酯(30.0mg,0.20mmol,0.20 equiv)为氢源,无水N,N-二甲基乙酰胺(1.0mL)为溶剂进行反应。反应体系在 35℃下搅拌24小时,经硅胶柱层析(石油醚:乙酸乙酯=10:1)得到白色固体 (276.2mg),分离收率70%,E/Z比为91:9(由GC对反应体系进行检测得到)。IR (neat,cm-1):2906,1730,1585,1509,1470,1448,1413,1394,1299,1259,1202,1156,1116,1069,1027,1006,966,869,783,743.1H NMR(400MHz,CDCl3):δ 7.88–7.76(m,4H),6.98(d,J=8.1Hz,1H),6.87(ddd,J=6.8,5.6,1.8Hz,2H), 6.35–6.28(m,1H),6.14(dq,J=15.7,6.5Hz,1H),3.74(s,3H),1.85(dd,J=7.2, 1.8Hz,1/11of 3HMe,minor),1.82(dd,J=6.6,1.5Hz,10/11of 3HMe,major).13C NMR (101MHz,CDCl3):δ175.6,164.3,151.1,137.8,137.2,131.7,130.4,128.9,126.2, 122.6,118.4,109.7,101.3,55.8,18.4.HRMS(ESI)calculated for C17H15IO3Na: 416.9958[M+Na]+,found:416.9953.

实施例12

Figure BDA0002236083630000102

的合成

按通用操作步骤,以3-烯丙基-2-甲氧基苯甲醛(1l)(176.1mg,1.0mmol) 为原料,0.50mol%氯化镍六水合物(1.2mg,0.005mmol)为催化剂,0.60mol% 6,6'-二甲基-2,2'-联吡啶(1.0mg,0.006mmol)为配体,锌粉(19.5mg,0.30mmol, 0.30equiv)为还原剂,亚磷酸二乙酯(30.0mg,0.20mmol,0.20equiv)为氢源,无水四氢呋喃(1.0mL)为溶剂进行反应。反应体系在35℃下搅拌36小时,经硅胶柱层析(石油醚:乙酸乙酯=9:1)得到浅黄色油状物(153.5mg),分离收率87%,E/Z比为99:1(由GC对反应体系进行检测得到)。IR(neat,cm-1):2855, 1686,1579,1452,1424,1384,1235,1211,1073,998,968,806,773.1H NMR(400 MHz,Acetone-d6):δ10.23(d,J=0.7Hz,1H),7.68(dd,J=7.7,1.6Hz,1H),7.52 (dd,J=7.7,1.7Hz,1H),7.13–7.08(m,1H),6.58(dd,J=15.9,1.7Hz,1H),6.28 (dq,J=15.9,6.6Hz,1H),3.76(s,3H),1.79(dd,J=6.6,1.7Hz,3HMe,major),1.69(dd, J=7.1,1.9Hz,3HMe,minor).13C NMR(101MHz,Acetone-d6):δ189.2,160.1,136.6, 132.4,129.7,128.4,126.4,124.5,123.9,63.3,18.1.HRMS(ESI)calculated for C11H12O2Na:199.0730[M+Na]+,found:199.0729.

实施例13

Figure BDA0002236083630000111

的合成

按通用操作步骤,以烯丙基苯(1m)(118.1mg,1.0mmol)为原料,0.50 mol%氯化镍乙二醇二甲醚复合物(1.1mg,0.005mmol)为催化剂,0.60mol% 6,6'-二甲基-2,2'-联吡啶(1.0mg,0.006mmol)为配体,锌粉(19.5mg,0.30mmol, 0.30equiv)为还原剂,亚磷酸二乙酯(30.0mg,0.20mmol,0.20equiv)为氢源,无水N,N-二甲基乙酰胺(1.0mL)为溶剂进行反应。反应体系在35℃下搅拌36 小时,经硅胶柱层析(正己烷)得到无色油状物(114.3mg),分离收率97%,E/Z 比为97:3(由GC对反应体系进行检测得到)。IR(neat,cm-1):2861,1441,1264,961, 732.1H NMR(500MHz,CDCl3):δ7.42–7.30(m,4H),7.27–7.21(m,1H),6.46 (dd,J=15.7,1.6Hz,1H),6.29(dq,J=15.7,6.6Hz,1H),1.94(dd,J=6.6,1.7Hz, 3H).13C NMR(126MHz,CDCl3):δ137.9,131.0,128.5,126.7,125.8,125.7,18.5. MS(EI)[M]+m/z 118.1.

实施例14

Figure BDA0002236083630000112

的合成

按通用操作步骤,以烯丙基萘(1n)(168.1mg,1.0mmol)为原料,0.50 mol%氯化镍乙二醇二甲醚复合物(1.1mg,0.005mmol)为催化剂,0.60mol% 6,6'-二甲基-2,2'-联吡啶(1.0mg,0.006mmol)为配体,锌粉(19.5mg,0.30mmol, 0.30equiv)为还原剂,亚磷酸二乙酯(30.0mg,0.20mmol,0.20equiv)为氢源,无水N,N-二甲基乙酰胺(1.0mL)为溶剂进行反应。反应体系在35℃下搅拌24 小时,经硅胶柱层析(石油醚)得到白色固体(158.4mg),分离收率94%,E/Z 比为94:6(由GC对反应体系进行检测得到)。IR(neat,cm-1):2907,1358,961,893, 860,822,793,736.1H NMR(500MHz,Acetone-d6):δ7.89–7.81(m,3H),7.76(s, 1H),7.66(dd,J=8.6,1.7Hz,1H),7.51–7.42(m,2H),6.65–6.58(m,1H),6.46(dq, J=15.8,6.6Hz,1H),1.99(dd,J=7.2,1.8Hz,3HMe,minor),1.93(dd,J=6.6,1.6Hz, 3HMe,major).13CNMR(126MHz,Acetone-d6):δ135.4,133.8,132.7,131.1,128.0, 127.7,127.5,126.1,125.9,125.4,125.1,123.4,17.8.MS(EI)[M]+m/z 168.1.

实施例15

Figure BDA0002236083630000121

的合成

按通用操作步骤,以烯丙基五氟苯(1o)(208.0mg,1.0mmol)为原料, 0.50mol%氯化镍乙二醇二甲醚复合物(1.1mg,0.005mmol)为催化剂,0.60mol% 6,6'-二甲基-2,2'-联吡啶(1.0mg,0.006mmol)为配体,锰粉(16.5mg,0.30mmol, 0.30equiv)为还原剂,亚磷酸二乙酯(30.0mg,0.20mmol,0.20equiv)为氢源,无水甲苯(1.0mL)为溶剂进行反应。反应体系在35℃下搅拌24小时,经硅胶柱层析(正己烷)得到无色油状物(177.2mg),分离收率85%,E/Z比为91:9(由 GC对反应体系进行检测得到)。IR(neat,cm-1):2906,1520,1496,1264,980,732. 1H NMR(400MHz,CDCl3):δ6.49(dq,J=16.1,6.7Hz,1H),6.20(ddd,J=16.2,3.4,1.7Hz,1H),1.87(dd,J=6.7,0.7Hz,3H).13C NMR(101MHz,CDCl3):δ(only nonfluorinated carbon are described)135.9(td,J=7.6,2.5Hz),135.2–134.7(m)(minor),115.3–115.1(m),113.6–113.5(m)(minor),112.4(td,J=14.3,4.2Hz), 19.7,15.4(minor).19F NMR(376MHz,CDCl3):δ-139.98(dd,J=22.6,8.1Hz, 2Fminor),-144.19–-144.31(m,2Fmajor),-156.77(t,J=20.7Hz,1Fminor),-158.29(t,J =20.7Hz,1Fmajor),-163.13–-163.32(m,2Fminor),-163.62–-163.86(m,2Fmajor).MS (EI)[M]+m/z 208.0.

实施例16

Figure BDA0002236083630000131

的合成

按通用操作步骤,以2-烯丙基苯酚(1p)(134.1mg,1.0mmol)为原料, 0.50mol%溴化镍(1.1mg,0.005mmol)为催化剂,0.60mol%6,6'-二甲基-2,2'- 联吡啶(1.0mg,0.006mmol)为配体,锰粉(16.5mg,0.30mmol,0.30equiv)为还原剂,亚磷酸二乙酯(30.0mg,0.20mmol,0.20equiv)为氢源,无水N,N-二甲基乙酰胺(1.0mL)为溶剂进行反应。反应体系在35℃下搅拌36小时,经硅胶柱层析(石油醚:乙酸乙酯=10:1)得到无色油状物(121.7mg),分离收率90%, E/Z比为99:1(由GC对反应体系进行检测得到)。IR(neat,cm-1):2931,1454,1264, 971,733.1H NMR(400MHz,CDCl3):δ7.22(dd,J=7.7,1.5Hz,1H),7.02(td,J= 7.8,1.6Hz,1H),6.81(td,J=7.5,0.8Hz,1H),6.71(dd,J=8.0,0.9Hz,1H),6.50(dd,J=15.9,1.6Hz,1H),6.13(dq,J=15.8,6.6Hz,1H),4.95(s,1H),1.84(dd,J= 6.6,1.7Hz,3HMe,major),1.65(dd,J=7.0,1.8Hz,3HMe,minor).13C NMR(101MHz, CDCl3):δ152.3,128.3,127.9,127.4,125.3,125.0,120.9,115.6,18.9.MS(EI)[M]+ m/z 134.1.

实施例17

Figure BDA0002236083630000132

的合成

按通用操作步骤,以3-烯丙基苯甲腈(1q)(143.1mg,1.0mmol)为原料,0.50mol%碘化镍(1.5mg,0.005mmol)为催化剂,0.60mol%6,6'-二甲基 -2,2'-联吡啶(1.0mg,0.006mmol)为配体,锰粉(16.5mg,0.30mmol,0.30equiv) 为还原剂,亚磷酸二乙酯(30.0mg,0.20mmol,0.20equiv)为氢源,无水N,N- 二甲基乙酰胺(1.0mL)为溶剂进行反应。反应体系在35℃下搅拌24小时,经硅胶柱层析(石油醚:乙酸乙酯=10:1)得到无色油状物(117.1mg),分离收率 82%,E/Z比为98:2(由GC对反应体系进行检测得到)。IR(neat,cm-1):2914,2229, 1596,1476,960,890,811,774.1H NMR(500MHz,CDCl3):δ7.60(s,1H),7.55(d,J=7.9Hz,1H),7.48(d,J=7.7Hz,1H),7.40(t,J=7.7Hz,1H),6.39(d,J=16.1 Hz,1H),6.37–6.29(m,1H),1.93(d,J=6.0Hz,3H).13C NMR(126MHz,CDCl3): δ139.0,136.1,134.7,130.0,129.2,129.0,128.8,118.9,112.6,18.5.HRMS(ESI) calculated for C10H10N:144.0808[M+H]+,found:144.0809.

实施例18的合成

按通用操作步骤,以3-烯丙基苯甲酸乙酯(1r)(190.1mg,1.0mmol) 为原料,0.50mol%溴化镍(1.1mg,0.005mmol)为催化剂,0.60mol%6,6'-二甲基-2,2'-联吡啶(1.0mg,0.006mmol)为配体,锰粉(16.5mg,0.30mmol,0.30 equiv)为还原剂,亚磷酸二乙酯(30.0mg,0.20mmol,0.20equiv)为氢源,无水 1,2-二氯乙烷(1.0mL)为溶剂进行反应。反应体系在35℃下搅拌24小时,经硅胶柱层析(石油醚:乙酸乙酯=10:1)得到无色油状物(162.6mg),分离收率 85%,E/Z比为97:3(由GC对反应体系进行检测得到)。IR(neat,cm-1):2929,1714, 1441,1366,1254,1195,1102,1023,960,743,682.1H NMR(500MHz,CDCl3):δ8.11–7.99(m,1H),7.90–7.87(m,1H),7.52(d,J=7.7Hz,1H),7.41–7.34(m, 1H),6.46(dd,J=15.8,1.4Hz,1H),6.35(dq,J=15.7,6.5Hz,1H),4.43–4.38(m, 2H),1.92(dd,J=6.5,1.5Hz,3H),1.42(t,J=7.1Hz,3H).13C NMR(126MHz, CDCl3):δ166.7,138.1,132.8,130.7,130.0,129.5,128.4,127.7,126.8,60.9,18.5, 14.3.HRMS(ESI)calculated forC12H14O2Na:213.0886[M+Na]+,found:213.0881.

实施例19

Figure BDA0002236083630000142

的合成

按通用操作步骤,以N-(2-烯丙基苯基)乙酰胺(1s)(175.1mg,1.0 mmol)为原料,0.5mol%NiCl2·6H2O(1.2mg,0.005mmol)为催化剂,0.60mol% 6,6'-二甲基-2,2'-联吡啶(1.0mg,0.006mmol)为配体,锰粉(16.5mg,0.30mmol, 0.30equiv)为还原剂,亚磷酸二乙酯(30.0mg,0.20mmol,0.20equiv)为氢源,无水N,N-二甲基乙酰胺(1.0mL)为溶剂进行反应。反应体系在35℃下搅拌36 小时,经硅胶柱层析(石油醚:乙酸乙酯=3:1)得到白色固体(158.0mg),分离收率90%,E/Z比为99:1(由GC对反应体系进行检测得到)。IR(neat,cm-1):3031, 1642,1572,1533,1439,1367,1301,1040,1013,968,742.1H NMR(400MHz, Acetone-d6):δ8.47(s,1H),7.56(d,J=7.9Hz,1H),7.38–7.20(m,1H),7.14–6.86 (m,2H),6.51(dq,J=15.6,1.8Hz,1H),6.22–5.89(m,1H),1.98(s,3H),1.72(dd,J =6.6,1.8Hz,3HMe,major),1.56(dd,J=7.0,1.8Hz,3HMe,minor).13C NMR(101MHz, Acetone):δ127.5,126.8,126.4,125.8,124.7,124.6,22.9,18.0.HRMS(ESI) calculated for C11H13NONa:198.0889[M+Na]+,found:198.0889.

实施例20

Figure BDA0002236083630000151

的合成

按通用操作步骤,以1,4-二氢萘(1t)(130.1mg,1.0mmol)为原料,0.50 mol%溴化镍(1.1mg,0.005mmol)为催化剂,0.60mol%6,6'-二甲基-2,2'-联吡啶(1.0mg,0.006mmol)为配体,锰粉(16.5mg,0.30mmol,0.30equiv)为还原剂,亚磷酸二乙酯(30.0mg,0.20mmol,0.20equiv)为氢源,无水氯仿(1.0mL) 为溶剂进行反应。反应体系在35℃下搅拌24小时,经硅胶柱层析(正己烷)得到无色油状物(99.5mg),分离收率76%。IR(neat,cm-1):2931,1484,1452,1009, 779,742.1H NMR(500MHz,CDCl3):δ7.21–7.02(m,4H),6.49(d,J=9.6Hz, 1H),6.09–6.03(m,1H),2.83(t,J=8.2Hz,2H),2.35(tdd,J=8.1,4.3,1.7Hz,2H). 13C NMR(126MHz,CDCl3):δ135.4,134.1,128.6,127.7,127.5,126.8,126.4, 125.8,27.4,23.1.MS(EI)[M]+m/z 130.1.

实施例21

Figure BDA0002236083630000152

的合成

按通用操作步骤,以3-烯丙基-5-溴吡啶(1y)(197.0mg,1.0mmol)为原料,0.50mol%碘化镍(1.5mg,0.005mmol)为催化剂,0.60mol%6,6'-二甲基 -2,2'-联吡啶(1.0mg,0.006mmol)为配体,锰粉(16.5mg,0.30mmol,0.30equiv) 为还原剂,亚磷酸二乙酯(30.0mg,0.20mmol,0.20equiv)为氢源,无水N,N- 二甲基乙酰胺(1.0mL)为溶剂进行反应。反应体系在35℃下搅拌24小时,经硅胶柱层析(石油醚:乙酸乙酯=10:1)得到橙色油状物(173.4mg),分离收率 88%,E/Z比为98:2(由GC对反应体系进行检测得到)。IR(neat,cm-1):2950,1654, 1572,1409,1096,1015,959,877,791.1H NMR(500MHz,CDCl3):δ8.48(d,J=16.5Hz,1H),7.80(s,1H),6.45–6.26(m,2H),1.93(d,J=5.1Hz,3H).13C NMR (126MHz,CDCl3):δ148.4,145.6,135.2,134.9,130.3,126.1,120.9,18.7.HRMS (ESI)calculatedfor C8H9BrN:197.9913[M+H]+,found:197.9911.

实施例22

Figure BDA0002236083630000161

的合成

按通用操作步骤,以3-烯丙基苯并呋喃(1z)(158.1mg,1.0mmol)为原料,0.50mol%双-(1,5-环辛二烯)镍复合物(1.4mg,0.005mmol)为催化剂, 0.60mol%6,6'-二甲基-2,2'-联吡啶(1.0mg,0.006mmol)为配体,锰粉(16.5mg, 0.30mmol,0.30equiv)为还原剂,亚磷酸二乙酯(30.0mg,0.20mmol,0.20equiv) 为氢源,无水乙腈(1.0mL)为溶剂进行反应。反应体系在35℃下搅拌24小时,经硅胶柱层析(石油醚:乙酸乙酯=20:1)得到无色油状物(131.8mg),分离收率83%,E/Z比为94:6(由GC对反应体系进行检测得到)。IR(neat,cm-1):2950, 1555,1451,1252,1194,1007,955,923,881,813,781,737.1H NMR(400MHz,Acetone-d6):δ7.64–7.53(m,1H),7.46(dq,J=8.3,1.0Hz,1H),7.31–7.16(m, 2H),6.64(s,1H),6.55–6.38(m,2H),2.13(dd,J=7.3,1.7Hz,3HMe,minor),1.93(d, J=5.1Hz,3HMe,major).13C NMR(101MHz,Acetone-d6)δ155.1,154.5,129.1, 128.3,124.0,122.7,120.7,119.9,110.5,102.5,17.5.HRMS(ESI)calculated for C11H10ONa:181.0624[M+Na]+,found:181.0619.

实施例23

Figure BDA0002236083630000162

的合成

按通用操作步骤,以3-烯丙基苯并噻吩(1aa)(174.1mg,1.0mmol)为原料,0.50mol%碘化镍(1.5mg,0.005mmol)为催化剂,0.60mol%6,6'-二甲基 -2,2'-联吡啶(1.0mg,0.006mmol)为配体,锰粉(16.5mg,0.30mmol,0.30equiv) 为还原剂,亚磷酸二乙酯(30.0mg,0.20mmol,0.20equiv)为氢源,无水乙二醇二甲醚(1.0mL)为溶剂进行反应。反应体系在35℃下搅拌24小时,经硅胶柱层析(石油醚:乙酸乙酯=20:1)得到白色固体(148.1mg),分离收率85%,E/Z 比为92:8(由GC对反应体系进行检测得到)。IR(neat,cm-1):2921,1425,1213,963, 935,860,832,790,746,723.1H NMR(400MHz,Acetone-d6):δ7.85–7.78(m, 1H),7.76–7.69(m,1H),7.38–7.27(m,2H),7.18(s,1H),6.77–6.69(m,1H),6.19(dq,J=15.5,6.7Hz,1H),1.90(dd,J=6.7,1.6Hz,3H).13C NMR(101MHz, Acetone-d6):δ143.0,140.4,138.3,128.3,125.1,124.4,123.2,122.0,121.3,17.5. HRMS(ESI)calculated for C11H11S:175.0576[M+H]+,found:175.0574.

实施例24

Figure BDA0002236083630000171

的合成

按通用操作步骤,以1-烯丙基-1H-吲哚(1ab)(157.1mg,1.0mmol)为原料,0.50mol%溴化镍三水合物(1.4mg,0.005mmol)为催化剂,0.60mol% 6,6'-二甲基-2,2'-联吡啶(1.0mg,0.006mmol)为配体,锰粉(16.5mg,0.30mmol, 0.30equiv)为还原剂,亚磷酸二乙酯(30.0mg,0.20mmol,0.20equiv)为氢源,无水N,N-二甲基乙酰胺(1.0mL)为溶剂进行反应。反应体系在35℃下搅拌24 小时,经硅胶柱层析(石油醚:乙酸乙酯=40:1)得到黄色油状物(122.2mg),分离收率78%,E/Z比为91:9(由GC对反应体系进行检测得到)。IR(neat,cm-1): 3051,1670,1509,1459,1349,1324,1278,1227,1088,1014,930,885,761,736.1HNMR(500MHz,Acetone-d6):δ7.62–7.56(m,3H),7.22(ddd,J=11.2,9.2,1.3Hz, 2H),7.12–7.06(m,1H),6.59(d,J=3.3Hz,1H),5.91(dq,J=13.5,6.7Hz,10/11 of 1HAlkene-H,major),5.59(dq,J=14.3,7.1Hz,1/11of 1HAlkene-H,minor),1.89(dd,J=6.7, 1.7Hz,10/11of3HMe,major),1.84(dd,J=7.1,1.8Hz,1/11of 3HMe,minor).13C NMR (101MHz,Acetone-d6):δ135.3,128.9,124.8,124.1,122.1,120.7,120.0,109.8, 109.5,103.6,14.4.HRMS(ESI)calculated for C11H12N:158.0964[M+H]+,found: 158.0963.

实施例25

Figure BDA0002236083630000181

的合成

按通用操作步骤,以雌酮衍生物(1ac)(294.2mg,1.0mmol)为原料, 0.50mol%碘化镍(1.5mg,0.005mmol)为催化剂,0.60mol%6,6'-二甲基-2,2'- 联吡啶(1.0mg,0.006mmol)为配体,锰粉(16.5mg,0.30mmol,0.30equiv)为还原剂,亚磷酸二乙酯(30.0mg,0.20mmol,0.20equiv)为氢源,无水二乙二醇二***(1.0mL)为溶剂进行反应。反应体系在35℃下搅拌24小时,经硅胶柱层析(石油醚:乙酸乙酯=50:1)得到白色固体(235.1mg),分离收率80%,E/Z 比为93:7(由GC对反应体系进行检测得到)。IR(neat,cm-1):2914,1731,1494, 1452,1375,1259,1083,1052,1005,964,885,825,772.1H NMR(500MHz, CDCl3):δ7.24(d,J=8.1Hz,1H),7.15(dd,J=8.1,1.4Hz,1H),7.08(s,1H),6.37 (dd,J=15.8,1.4Hz,1H),6.21(dq,J=15.7,6.6Hz,1H),2.95–2.89(m,2H),2.53 (dd,J=19.0,8.6Hz,1H),2.48–2.40(m,1H),2.37–2.28(m,1H),2.22–2.12(m, 1H),2.11–1.95(m,3H),1.93(dd,J=7.2,1.8Hz,3HMe,minor),1.89(dd,J=6.6,1.5 Hz,3HMe,major),1.71–1.61(m,2H),1.58–1.41(m,4H),0.93(s,3H).13C NMR (126MHz,CDCl3):δ220.9,138.3,136.4,135.5,130.6,126.4,125.4,125.1,123.2, 50.5,48.0,44.4,38.2,35.8,31.6,29.4,26.5,25.7,21.6,18.5,13.8.HRMS(ESI) calculated for C21H26ONa:317.1876[M+Na]+,found:317.1872.

实施例26的合成

按通用操作步骤,以香豆素衍生物(1ad)(186.1mg,1.0mmol)为原料, 0.50mol%碘化镍(1.5mg,0.005mmol)为催化剂,0.60mol%6,6'-二甲基-2,2'- 联吡啶(1.0mg,0.006mmol)为配体,锰粉(16.5mg,0.30mmol,0.30equiv)为还原剂,亚磷酸二乙酯(30.0mg,0.20mmol,0.20equiv)为氢源,无水N,N-二甲基乙酰胺(1.0mL)为溶剂进行反应。反应体系在35℃下搅拌24小时,经硅胶柱层析(石油醚:乙酸乙酯=8:1)得到白色固体(184.1mg),分离收率99%, E/Z比为98:2(由GC对反应体系进行检测得到)。IR(neat,cm-1):2906,1699,1607, 1539,1394,1263,1125,987,933,894,837,790.1H NMR(400MHz,CDCl3)δ7.58 (d,J=9.5Hz,1H),7.31(d,J=8.4Hz,1H),7.20–7.10(m,2H),6.42–6.19(m,3H), 1.87(d,J=5.0Hz,3H).13C NMR(101MHz,CDCl3)δ161.0,154.5,143.1,142.0, 129.8,129.7,127.8,122.1,117.4,115.5,113.6,18.6.HRMS(ESI)calculated for C12H10O2Na:209.0573[M+Na]+,found:209.0572.

实施例27

Figure BDA0002236083630000191

的合成

按通用操作步骤,以樟脑烷酸衍生物(1ae)(344.2mg,1.0mmol)为原料,0.50mol%溴化镍二乙二醇二甲醚复合物(1.8mg,0.005mmol)为催化剂, 0.60mol%6,6'-二甲基-2,2'-联吡啶(1.0mg,0.006mmol)为配体,锰粉(16.5mg, 0.30mmol,0.30equiv)为还原剂,亚磷酸二乙酯(30.0mg,0.20mmol,0.20equiv) 为氢源,无水N,N-二甲基乙酰胺(1.0mL)为溶剂进行反应。反应体系在35℃下搅拌24小时,经硅胶柱层析(石油醚:乙酸乙酯=4:1)得到白色固体(286.6mg),分离收率83%,E/Z比为91:9(由GC对反应体系进行检测得到)。IR(neat,cm-1): 2861,1766,1594,1509,1449,1410,1304,1258,1201,1159,1059,1046,975,933, 904,872,786,759,729.1H NMR(400MHz,CDCl3):δ7.00(d,J=8.1Hz,1H), 6.98–6.90(m,2H),6.39(dd,J=15.7,1.5Hz,1H),6.23(dq,J=15.7,6.5Hz,1H), 3.85(s,3H),2.61(ddd,J=13.5,10.8,4.2Hz,1H),2.22(ddd,J=13.7,9.3,4.6Hz, 1H),2.01(ddd,J=13.2,10.8,4.6Hz,1H),1.91(dd,J=6.6,1.5Hz,3H),1.77(ddd, J=15.0,9.6,4.9Hz,1H),1.19(s,6H),1.15(s,3H).13C NMR(101MHz,CDCl3):δ 178.0,165.4,150.5,137.5,130.3,126.4,122.4,118.4,109.6,91.1,55.6,54.9,54.6, 30.8,29.0,18.4,16.7,16.5,9.7.HRMS(ESI)calculated for C20H24O5Na:367.1516 [M+Na]+,found:367.1518.

实施例28

Figure BDA0002236083630000201

的合成

按通用操作步骤,以乙酰葡萄糖苷衍生物(1af)(494.2mg,1.0mmol)为原料,0.50mol%碘化镍(1.5mg,0.005mmol)为催化剂,0.60mol%6,6'-二甲基 -2,2'-联吡啶(1.0mg,0.006mmol)为配体,锰粉(16.5mg,0.30mmol,0.30equiv) 为还原剂,亚磷酸二乙酯(30.0mg,0.20mmol,0.20equiv)为氢源,无水二甲基亚砜(1.0mL)为溶剂进行反应。反应体系在35℃下搅拌24小时,经硅胶柱层析(石油醚:乙酸乙酯=1:1)得到白色固体(454.3mg),分离收率92%,E/Z比为95:5(由1H NMR对产物进行检测得到)。IR(neat,cm-1):3021,1741,1509,1366, 1209,1066,1030,857.1H NMR(400MHz,CDCl3):δ7.07(d,J=8.2Hz,1H),6.93 –6.79(m,2H),6.36(dd,J=15.7,1.5Hz,1H),6.17(dq,J=15.7,6.6Hz,1H),5.52 (ddd,J=10.5,8.0,5.1Hz,1H),5.45(dd,J=3.4,0.7Hz,1H),5.11(dt,J=10.5,3.6 Hz,1H),4.90(d,J=8.0Hz,1H),4.28–4.12(m,2H),4.02–3.95(m,1H),3.85(s, 3H),2.20(s,3H),2.11(s,3H),2.06(s,3H),2.03(s,3H),1.89(dd,J=6.6,1.5Hz, 3H).13C NMR(101MHz,CDCl3):δ170.3,170.3,170.2,169.5,150.6,145.3,134.8, 130.3,125.4,120.0,118.4,109.9,101.5,70.9,70.7,68.7,66.9,61.2,56.0,20.7,20.6, 20.6,20.6,18.4.HRMS(ESI)calculated for C24H30O11Na:517.1680[M+Na]+,found: 517.1684.

实施例29的合成

按通用操作步骤,以2,2'-二烯丙基-6,6'-二甲氧基-1,1'-联苯(1ag) (147.2mg,0.5mmol)为原料,1.0mol%溴化镍乙二醇二甲醚复合物(1.6mg, 0.005mmol)为催化剂,1.2mol%6,6'-二甲基-2,2'-联吡啶(1.0mg,0.006mmol) 为配体,锰粉(16.5mg,0.30mmol,0.60equiv)为还原剂,亚磷酸二乙酯(30.0 mg,0.20mmol,0.40equiv)为氢源,无水N,N-二甲基乙酰胺(1.0mL)为溶剂进行反应。反应体系在35℃下搅拌24小时,经硅胶柱层析(石油醚:乙酸乙酯= 10:1)得到白色固体(103.5mg),分离收率70%,E/Z比为91:9(由1H NMR对产物进行检测得到)。IR(neat,cm-1):3015,2953,1601,1489,1463,1368,1267, 1235,1136,1046,1021,958,894,817,780.1H NMR(400MHz,CDCl3):δ7.26– 7.12(m,5H),6.89–6.78(m,2H),6.29(dd,J=15.7,1.5Hz,2H),6.02(dq,J=15.7, 6.6Hz,2H),3.68(s,6H),1.84(dd,J=7.2,1.8Hz,1/11of 6HMe,minor),1.78(dd,J= 6.6,1.6Hz,10/11of 6HMe,major).13C NMR(101MHz,CDCl3):δ156.2,130.5,130.3, 128.7,127.9,126.1,123.5,111.1,55.8,18.4.HRMS(ESI)calculated for C20H22O2Na: 317.1512[M+Na]+,found:317.1510.

用本发明的方法,可以制备如下E式甲基苯乙烯类化合物:

Figure BDA0002236083630000221

其中,OTf=三氟甲磺酸;TBS=叔丁基二甲基硅基;Ac=乙酰基;OTs=对甲基苯磺酸;Bn=苄基。

16页详细技术资料下载
上一篇:一种医用注射器针头装配设备
下一篇:(反,反)-4-乙烯基-4’-[(E)-1-丙烯基]-双环己烷的合成方法

网友询问留言

已有0条留言

还没有人留言评论。精彩留言会获得点赞!

精彩留言,会给你点赞!