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不对称锌催化酮的氢硅烷化反应和羧酸盐对对映选择性的影响。

Asymmetric zinc-catalyzed hydrosilylation of ketones and the effect of carboxylate on the enantioselectivity.

机构信息

Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Hangzhou 310012, China.

出版信息

Chirality. 2013 May;25(5):275-80. doi: 10.1002/chir.22137.

DOI:10.1002/chir.22137
PMID:23620263
Abstract

Several chiral ligands containing (R,R)-diaminocyclohexane moieties and pyrrole, furan, or benzene have been synthesized. These ligands were tested in enantioselective zinc-catalyzed hydrosilylation reactions; excellent enantioselectivities were obtained when the ligands containing (R,R)-diaminocyclohexane moieties and furan rings were used. For comparison, zinc chloride combined with different potassium carboxylate salts and ligands were also tested for catalytic hydrosilylation reactions.

摘要

已经合成了几种含有(R,R)-二氨基环己烷部分和吡咯、呋喃或苯的手性配体。这些配体在锌催化的硅氢化反应中进行了测试;当使用含有(R,R)-二氨基环己烷部分和呋喃环的配体时,获得了优异的对映选择性。为了进行比较,还测试了氯化锌与不同的钾羧酸盐盐和配体的组合在硅氢化反应中的催化性能。

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