Synthesis and catalytic properties of diphosphinidenecyclobutene-coordinated palladium and platinum complexes

被引：36

作者：

Ozawa, F

Yoshifuji, M ^{[1
]}

机构：

[1] Kyoto Univ, Inst Chem Res, Int Res Ctr Elements Sci, Uji, Kyoto 6110011, Japan

[2] Tohoku Univ, Grad Sch Sci, Dept Chem, Sendai, Miyagi 9808578, Japan

来源：

COMPTES RENDUS CHIMIE | 2004年 / 7卷 / 8-9期

关键词：

sp(2)-hybridyzed phosphorus; diphosphinidenecyclobutene; palladium complex; platinum complex; catalysis;

D O I：

10.1016/j.crci.2004.05.001

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

This account describes our recent studies on organopalladium and platinum complexes bearing 1,2-diaryl-3,4-diphosphinidenecyclobutenes (DPCB-Y). The DPCB-Y ligands bear extremely low-lying pi* orbitals mainly located around the sp(2)-hybridized phosphorus atoms and have a marked tendency to engage in metal to phosphorus pi-back-bonding. This property is useful for catalysis, leading to highly efficient organic transformations with hitherto unknown reactivities and selectivities. Detailed catalytic mechanisms are reported for dehydrogenative silylation of ketones and direct conversion of allylic alcohols into N- and C-allylation products. (C) 2004 Academie des sciences. Published by Elsevier SAS. All rights reserved.

引用

页码：747 / 754

页数：8

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