Synthesis and β-hydrogen elimination of water-soluble dialkylplatinum(II) complexes in water

被引：11

作者：

Komiya, S ^{[1
]}

Ikuine, M ^{[1
]}

Komine, N ^{[1
]}

Hirano, M ^{[1
]}

机构：

[1] Tokyo Univ Agr & Technol, Fac Technol, Dept Appl Chem, Koganei, Tokyo 1848588, Japan

来源：

BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN | 2003年 / 76卷 / 01期

关键词：

D O I：

10.1246/bcsj.76.183

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Water-soluble cis-dialkylplatinum(II) complexes cis-[PtR2L2] (L-2 = 2 TPPTS, 2 THMP, DHMPE; R = Me, Et, Ph) have been prepared by ligand displacement reactions of [PtR2(1,5-COD)] with L-2. They are stable in water; the diethyl-platinum(II) complexes cis-[PtEt2(TPPTS)(2)] undergo preferential disproportionation of the ethyl groups in water, giving ethylene and ethane in 1:1 ratio via beta-hydrogen elimination in preference to protonolysis at 80 degreesC. A retardation effect of added free TPPTS on the reaction rate and a deuterium labelling study suggest a mechanism involving prior dissociation of TPPTS for reversible beta-hydrogen elimination.

引用

页码：183 / 188

页数：6

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