Cobalt-Catalyzed Dimerization and Homocoupling of Terminal Alkynes

被引：25

作者：

Xu, Daqian ^{[1
]}

Sun, Qiangsheng ^{[2
]}

Quan, Zhengjun ^{[1
]}

Wang, Xicun ^{[1
]}

Sun, Wei ^{[2
]}

机构：

[1] Northwest Normal Univ, Coll Chem & Chem Engn, Lanzhou 730070, Gansu, Peoples R China

[2] Chinese Acad Sci, State Key Lab Oxo Synth & Select Oxidat, Lanzhou 730000, Gansu, Peoples R China

来源：

ASIAN JOURNAL OF ORGANIC CHEMISTRY | 2018年 / 7卷 / 01期

基金：

中国国家自然科学基金;

关键词：

alkynes; cobalt; dimerization; homocoupling; SELECTIVE CROSS-DIMERIZATION; SUPPORTED COPPER-CATALYSTS; BOND-FORMING REACTIONS; TO-HEAD DIMERIZATION; COUPLING REACTION; ROOM-TEMPERATURE; CARBON-CARBON; HIGHLY EFFICIENT; PALLADIUM; COMPLEX;

D O I：

10.1002/ajoc.201700587

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Methods toward the dimerization and homocoupling of terminal alkynes have been established that employ Co complexes along with tBuOK under different atmosphere. A variety of Z-1,3-enynes were furnished with a high Z:E (up to 93:7) ratio in moderate to very good yields under inert atmosphere. Alternatively, the Glaser homocoupling reaction of terminal alkynes was also accomplished with a Co catalyst, successfully affording various 1,3-diynes in excellent yields (up to 93%) under oxygen.

引用

页码：155 / 159

页数：5

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