MULTIDENTATE LEWIS-ACIDS - STRUCTURE OF THE 1-2 COMPLEX OF A BIDENTATE TITANIUM TRICHLOROALKOXIDE WITH PINACOLONE

被引：14

作者：

BACHAND, B ^{[1
]}

BELANGERGARIEPY, F ^{[1
]}

WUEST, JD ^{[1
]}

机构：

[1] UNIV MONTREAL,DEPT CHIM,MONTREAL H3C 3J7,QUEBEC,CANADA

来源：

ORGANOMETALLICS | 1990年 / 9卷 / 11期

关键词：

D O I：

10.1021/om00161a005

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Treatment of the bis(trimethylsilyl) ether of racemic (1α,2β,3α)-3-methyl-1,2-cyclohexanediol with 2 equiv of TiCl4 yields the titanium trichloroalkoxide 2, a bidentate Lewis acid. An X-ray crystallographic study of its 1:2 complex with pinacolone has shown that the OTiCl3 groups are equatorial and are doubly bridged by chloride, and each binds a single pinacolone to form an approximately octahedral complex. Compound 2 therefore incorporates dual acidic sites that allow two basic substrates to be bound in close proximity. © 1990, American Chemical Society. All rights reserved.

引用

页码：2860 / 2862

页数：3

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