PHYSICOCHEMICAL PROPERTIES OF SCHIFF-BASES .4. TAUTOMERIC EQUILIBRIUM AND KINETICS OF HYDROLYSIS OF N-BENZYLIDENEANILINE DERIVATIVES

被引:39
作者
CHARETTE, JJ [1 ]
DEHOFFMANN, E [1 ]
机构
[1] CATHOLIC UNIV LOUVAIN,DEPT CHEM,B-1348 LOUVAIN LA NEUVE,BELGIUM
关键词
D O I
10.1021/jo01327a047
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The kinetics of hydrolysis of AMX-benzylidene)aniline, with × = OH or OCH3 in the ortho, meta, or para position. have been investigated in the pH range from -1 to 14 at 30 °C by means of ultraviolet spectrophotometry. The mechanism of hydrolysis of these Schiff bases was found to be critically dependent on the presence of the ketoamine tautomer in some of these compounds, as was the case for the Schiff bases derived from isopropylamine.1 The tautomeric constants have been estimated by various methods and consistent results have been obtained when comparison was possible. © 1979, American Chemical Society. All rights reserved.
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页码:2256 / 2262
页数:7
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