TRANSFORMATION OF ORGANIC-COMPOUNDS IN THE PRESENCE OF METAL-COMPLEXES .7. SELECTIVE REDUCTION OF DIKETONES BY HYDROSILYLATION IN THE PRESENCE OF RHODIUM(I) COMPLEXES

被引：8

作者：

TOROK, B ^{[1
]}

FELFOLDI, K ^{[1
]}

MOLNAR, A ^{[1
]}

BARTOK, M ^{[1
]}

机构：

[1] JOZSEF ATTILA UNIV,DEPT ORGAN CHEM,DOM TER 8,H-6720 SZEGED,HUNGARY

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 1993年 / 460卷 / 01期

基金：

匈牙利科学研究基金会;

关键词：

D O I：

10.1016/0022-328X(93)80366-J

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

An investigation was made of the hydrosilylation of 2,2,4,4-tetramethyl-1,3-cyclobutanedione with alkyl- and arylsilanes, catalyzed by a variety of rhodium(I) complexes. The selectivity of the reduction depends strongly on the steric requirements of the silane molecules. An appropriate selection of hydrosilanes (di- and certain trialkylsilanes) provides a new selective method for the preparation of 3-hydroxy-2,2,4,4-tetramethylcyclobutanone. Diphenylsilane and amylsilane are selective in the formation of isomeric diols, diphenylsilane favouring formation of the cis-diol, and amylsilane yielding mainly the trans-diol.

引用

页码：111 / 115

页数：5

共 29 条

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