Preparation and C-Si reductive elimination behavior of cis-alkynyl(silyl)platinum(II) complexes

被引：16

作者：

Ozawa, F ^{[1
]}

Mori, T ^{[1
]}

机构：

[1] Osaka City Univ, Grad Sch Engn, Dept Appl Chem, Sumiyoshi Ku, Osaka 5588585, Japan

来源：

ORGANOMETALLICS | 2003年 / 22卷 / 17期

关键词：

D O I：

10.1021/om0302701

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A series of cis-alkynyl(silyl)platinum(II) complexes, cis-Pt(Cequivalent toCAr)(SiAr' (3))(PMe2Ph)(2) (2: Ar = Ph, 4-MeOC6H4, 4-MeC6H4, 4-ClC6H4, 4-BrC6H4, 4-NCC6H4; Ar' = Ph, 4-MeOC6H4, 4-MeC6H4, 4-CF3C6H4), have been prepared, and their thermolysis reactions in solution have been examined. Complexes 2 smoothly undergo C-Si reductive elimination in benzene-d(6) at around 35 C to give the corresponding platinum(0) complexes coordinated with silylacetylenes, Pt(ArCequivalent toCSiAr'(3))(PMe2Ph)(2) (3). Kinetic examinations suggest a concerted reaction process that is operative directly from the four-coordinate complexes. The more electron-donating substituents on the Ar and Ar' groups provide higher reductive elimination rates.

引用

页码：3593 / 3599

页数：7

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