SYNTHESES OF NEW CHIRAL FERROCENYLAMINE SULFIDE AND SELENIDE COMPLEXES OF GROUP-X METALS AND THEIR APPLICATION TO ENANTIOSELECTIVE CROSS-COUPLING REACTIONS AND SELECTIVE HYDROGENATION

被引：16

作者：

ALI, HM ^{[1
]}

BRUBAKER, CH ^{[1
]}

机构：

[1] MICHIGAN STATE UNIV,DEPT CHEM,E LANSING,MI 48824

来源：

JOURNAL OF MOLECULAR CATALYSIS | 1990年 / 60卷 / 03期

关键词：

D O I：

10.1016/0304-5102(90)85256-H

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：

A series of chiral ferrocenylamine sulfides and selenides and their complexes of Group X metals of type (S, R)-(η5-C5H3-1-CHMeNMe2-2-ER)Fe(η5-C5H5)MCl2 and (S, R)-(η5-C5H3-1-CHMeNMe2-2-ER)Fe(η5-C5H4ER)MCl2, (E = S, Se; M = Ni, Pd and Pt; R = Me, Et, n-Pr, i-Pr, n-Bu, t-Bu, i-Pent, Bz, Ph, 4-Cl-Ph and 4-tolyl have been prepared. Their application as homogeneous catalysts in Grignard cross-coupling reactions of 1-chloro-1-phenylethane with allylmagnesium chloride has been examined. This paper presents the first use of Ni and Pt thioether and selenoether complexes as catalysts for cross-coupling reactions that give high chemical yields (92-97%) and enantiomeric excesses up to 45%. However, Pd complexes showed their superiority for selective hydrogenation, giving up to quantitative conversion and 100% selective hydrogenation of cyclooctadiene and cyclohexadiene to cyclooctene and cyclohexene respectively. © 1990.

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页码：331 / 342

页数：12

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