THE EFFECT OF CETYLTRIMETHYLAMMONIUM BROMIDE ON THE 2-IODOSYL-5-OCTYLOXY-BENZOATE-CATALYZED HYDROLYSIS OF ACTIVE ESTERS AND RELATED-COMPOUNDS

被引:6
作者
LESLIE, DR
PANTELIDIS, S
机构
[1] Materials Research Laboratory, DSTO, Ascot Vale, VIC, 3032
关键词
D O I
10.1071/CH9900937
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Enhancements provided by micellized cetyltrimethylammonium bromide (ctab), to the rates of reaction between 2-iodosyl-5-octyloxybenzoic acid and 4-nitrophenyl diphenyl phosphate (3), 4-nitrophenyl acetate (4), 1-methylethyl methylphosphonofluoridate (5), 1, 2, 2-trimethylpropyl methylphosphonofluoridate (6) and ethyl N, N-dimethylphosphoramidocyanidate (7) are determined over a range of ctab concentrations. The maximum enhancements observed for substrates (5)-(7) are greater than predicted by the phase-separation model.1 The suitability of the model to describe these reactions is considered. © 1990 ASEG.
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页码:937 / 943
页数:7
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