Control of enantioselectivity of lipase-catalyzed esterification in supercritical carbon dioxide by tuning the pressure and temperature

被引：41

作者：

Matsuda, T ^{[1
]}

Kanamaru, R

Watanabe, K

Kamitanaka, T

Harada, T

Nakamura, K

机构：

[1] Ryukoku Univ, Fac Sci & Technol, Dept Chem Mat, Otsu, Shiga 5202194, Japan

[2] Kyoto Univ, Inst Chem Res, Uji, Kyoto 6110011, Japan

来源：

TETRAHEDRON-ASYMMETRY | 2003年 / 14卷 / 14期

关键词：

D O I：

10.1016/S0957-4166(03)00431-2

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The enantioselectivity of lipase-catalyzed esterification of 1-(p-chlorophenyl)-2,2,2-trifluoroethanol in supercritical carbon dioxide was controlled by tuning the pressure and temperature. The enantioselectivity was higher at low pressure and low temperature (E=60) than at high pressure and high temperature (E=10). At the density of 0.75 g/mL, a modified Eyring plot of In E against 1/T was found to be linear, as expected from the theory on the effects of temperature on stereochemistry. (C) 2003 Published by Elsevier Science Ltd.

引用

页码：2087 / 2091

页数：5

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