Enantioselective catalysis using planar chiral η6-arene chromium complexes:: 1,2-diols as cycloaddition catalysts

被引：20

作者：

Jones, GB ^{[1
]}

Guzel, M

Heaton, SB

机构：

[1] Northeastern Univ, Dept Chem, Bioorgan & Med Chem Labs, Boston, MA 02115 USA

[2] Roche Carolina Inc, Proc Technol Dept, Florence, SC 29502 USA

来源：

TETRAHEDRON-ASYMMETRY | 2000年 / 11卷 / 21期

关键词：

D O I：

10.1016/S0957-4166(00)00411-0

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A highly selective Diels-Alder catalyst has been prepared from a commercially available tetra-hydronaphthalene diol. Stereocontrol is greatly enhanced by introduction of a planar chiral arene chromium tricarbonyl group, achieved by face selective complexation. The factors influencing stereoselectivity with the catalyst have been investigated and delineated. Under optimal conditions, the catalyst gives >95% e.e. and 98:2 exo:endo ratio in the cycloaddition of methacrolein and cyclopentadiene. (C) 2000 Elsevier Science Ltd. All rights reserved.

引用

页码：4303 / 4320

页数：18

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