CHEMOSELECTIVE REDUCTION OF ALPHA,BETA-UNSATURATED KETONES CATALYZED BY TRANSITION-METAL COMPLEXES WITH POLYDENTATE LIGANDS

被引：23

作者：

BIANCHINI, C

PERUZZINI, M

FARNETTI, E

KASPAR, J

GRAZIANI, M

机构：

[1] CNR,IST STUDIO STEREOCHIM & ENERGET COMPOSTI COOR,I-50132 FLORENCE,ITALY

[2] UNIV TRIESTE,DIPARTIMENTO SCI CHIM,I-34126 TRIESTE,ITALY

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 1995年 / 488卷 / 1-2期

关键词：

SELECTIVE REDUCTION; IRIDIUM; ALPHA-BETA-UNSATURATED KETONES; RUTHENIUM; OSMIUM; IRON;

D O I：

10.1016/0022-328X(94)00023-6

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

This paper reviews the catalytic activity of various Group 8 and 9 metal complexes stabilized by polydentate ligands in hydrogen-transfer reductions of alpha,beta-unsaturated ketones. Bi- and tri-dentate ligands with mixed P,N, -P2N and P2N2 donor atom sets are appropriate for the synthesis of efficient iridium catalysts capable of selectively reducing alpha-beta-unsaturated ketones to allylic alcohols. Chemoselective catalysts containing the metals of the iron triad are obtained with the tripodal tetradentate P(CH(2)CH(2)PPh(2))(3). Activity, chemoselectivity and catalysis mechanisms are compared and contrasted within the various types of complex.

引用

页码：91 / 97

页数：7

共 25 条

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