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
收藏
页码：183 / 188
页数：6
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