PROTON MAGNETIC RESONANCE STUDIES OF AMINO ACID COMPLEXES OF PLATINUM(2) .2.KINETICS OF N-H AND C-H PROTON EXCHANGE

被引:27
作者
ERICKSON, LE
DAPPEN, AJ
UHLENHOP.JC
机构
[1] Department of Chemistry, Grinnell College, Grinnell, Iowa
关键词
D O I
10.1021/ja01038a019
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Rates of N-H proton exchange for 1 and 2 were determined (a) by analysis of line-shape changes of H2O solutions at pH 8-11 and (b) by analysis of the slow spectral changes of D2O solutions observed at pD 2-6. The exchange reaction is OH- catalyzed over the whole pH range investigated. However, H2O catalysis contributes to the observed rate at pH <3. For 3, in which the β-carbon atom is the asymmetric center, rates of base-catalyzed C-H proton exchange and of inversion were found to be comparable. © 1969, American Chemical Society. All rights reserved.
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页码:2510 / &
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