Semihydrogenation of alkynes in the presence of Ni(0) catalyst using ammonia-borane and sodium borohydride as hydrogen sources

被引：54

作者：

Barrios-Francisco, Rigoberto ^{[1
]}

Garcia, Juventino J. ^{[1
]}

机构：

[1] Univ Nacl Autonoma Mexico, Fac Quim, Mexico City 04510, DF, Mexico

来源：

APPLIED CATALYSIS A-GENERAL | 2010年 / 385卷 / 1-2期

关键词：

Alkyne semihydrogenation; Nickel complexes; Ammonia-borane; Sodium borohydride; Hydrogen sources; CARBON-CARBON BONDS; SELECTIVE REDUCTION; CHEMICAL EVIDENCE; DEHYDROGENATION; HYDROLYSIS; COMPLEXES; CLEAVAGE; BORON; DIAMMONIATE; TEMPERATURE;

D O I：

10.1016/j.apcata.2010.06.052

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The selective semihydrogenation of terminal and internal alkynes was achieved using complexes of the type [(P-P)Ni(eta(2)-C,C-alkyne)] (P-P = chelating diphospine ligands), which behave as the active catalysts and were generated in situ. Boron-hydride derivatives such as ammonia-borane (AB) or sodium boron hydride (SBH) were used as hydrogen sources. In the case of internal alkynes, the stereoselective formation of cis- or trans-alkenes was achieved in high yields and under mild reaction conditions. (c) 2010 Elsevier B.V. All rights reserved.

引用

页码：108 / 113

页数：6

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