有机相中脂肪酶催化转酯化反应动力学拆分左旋帕罗醇

化工进展 ›› 2015, Vol. 34 ›› Issue (s1): 116-120.

有机相中脂肪酶催化转酯化反应动力学拆分左旋帕罗醇

贾义刚¹, 刘维明^1,2, 倪潇¹, 黄和¹, 胡燚¹

1. 南京工业大学材料化学工程国家重点实验室, 江苏南京 210000;
2. 浙江大学化学工程与生物工程系, 浙江杭州 310000

出版日期:2015-09-20 发布日期:2015-10-20
通讯作者: 胡燚,教授。E-mail huyi@njtech.edu.cn。
作者简介:贾义刚(1989—),男,硕士研究生,研究方向为生物催化。
基金资助:
国家高技术发展计划项目(2011AA02A209)。

Kinetic resolution of transesterification reaction of trans-paroxol catalyzed by lipase in organic media

JIA Yigang¹, LIU Weiming^1,2, NI Xiao¹, HUANG He¹, HU Yi¹

1. State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing 210000, Jiangsu, China;
2. College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310000, Zhejiang, China

Online:2015-09-20 Published:2015-10-20

摘要/Abstract

摘要： 研究了在有机相中脂肪酶催化转酯化反应动力学拆分左旋帕罗醇,考察了酶种类、溶剂、酰基供体、温度、底物与酰基供体摩尔比等因素对反应的影响。结果表明:以Novozym 435为催化剂,在30℃下,以乙腈为反应溶剂,乙酸乙烯酯为酰基供体,底物浓度40mmol/L及其与酰基供体摩尔比为1:8时,反应8h后,底物转化率为48.1%,ee_s为53.3%,E值为6.20。

关键词: 有机相, 酶, 转酯化, 动力学拆分, 左旋帕罗醇

Abstract: The kinetic resolution of transesterification reaction of trans-paroxol catalyzed by lipase was studied in organic media.The influence factors including enzyme source, solvent, acyl donor, temperature, substrate and the molar ratio of substrate with acyl donor were researched.The optimal conditions were obtained as following: Acetonitrile as solvent, viny acetate as acyl donor, concentration of substrate of 40mmol/L, the molar ratio substrate with acyl donor of 1:8 and reaction temperature 30℃.The conversion, the ee_s and the E value reached 48.1%, 53.3% and 6.20 under the optimal conditions after 8h.

Key words: organic media, enzyme, transesterification, kinetic resolution, trans-paroxol

贾义刚, 刘维明, 倪潇, 黄和, 胡燚. 有机相中脂肪酶催化转酯化反应动力学拆分左旋帕罗醇[J]. 化工进展, 2015, 34(s1): 116-120.

JIA Yigang, LIU Weiming, NI Xiao, HUANG He, HU Yi. Kinetic resolution of transesterification reaction of trans-paroxol catalyzed by lipase in organic media[J]. Chemical Industry and Engineering Progree, 2015, 34(s1): 116-120.

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