Effects of added dimethylsulfoxide on pKa values of uncharged organic acids and pH values of aqueous buffers.

被引:24
作者
Mukerjee, P
Ostrow, JD
机构
[1] Univ Wisconsin, Sch Pharm, Madison, WI 53706 USA
[2] Univ Amsterdam, Acad Med Ctr, Gastrointestinal Liver Dept, NL-1105 AZ Amsterdam, Netherlands
关键词
D O I
10.1016/S0040-4039(97)10537-8
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Recent studies of pKa values of carboxylic acids in (CD3)(2)SO-aq. buffer mixtures, using (COOH)-C-13-NMR, conflict with our new data and other reports, which show that the pK(a) of uncharged carboxylic acids and pH values of anionic buffers increase dramatically with increasing vol% DMSO. (C) 1997 Elsevier Science Ltd. All rights reserved.
引用
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页码:423 / 426
页数:4
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