H-1, C-13, AND PT-195 NUCLEAR MAGNETIC-RESONANCE STUDIES ON DIASTEREOMERIC PLATINUM(II) COMPLEXES OF PROCHIRAL OLEFINS CONTAINING A CHIRAL AMINO-ACID LIGAND

被引：20

作者：

SHINODA, S ^{[1
]}

YAMAGUCHI, Y ^{[1
]}

SAITO, Y ^{[1
]}

机构：

[1] UNIV TOKYO,INST IND SCI,MINATO KU,TOKYO 113,JAPAN

来源：

INORGANIC CHEMISTRY | 1979年 / 18卷 / 03期

关键词：

D O I：

10.1021/ic50193a029

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The nature of diastereomeric discrimination in the series of platinum(II) complexes trans(N, olefin)-chloro(N-methyl-(S)-prolinato)(olefin)platinum (olefin=propene, trans-2-butene, tert-butylethylene, styrene, p-chlorostyrene, or p-methoxystyrene) has been investigated by using 1H, 13C, and 195Pt nuclear magnetic resonance. The observed trend of diastereomeric difference in the NMR properties (especially 1JptC for coordinated carbons and δpt) indicated that the abundant diastereomers had a stronger platinum-olefin bonding, and thus enhanced thermodynamic stability. Contrasting NMR features found for the styrene and tert-butylethylene diastereomers are interpreted in terms of a different mode of distortion of coordinated olefins upon complex formation. © 1979, American Chemical Society. All rights reserved.

引用

页码：673 / 678

页数：6

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