Wheat germ lipase catalyzed kinetic resolution of secondary alcohols in non-aqueous media

Wheat germ lipase catalyzed kinetic resolution of secondary alcohols in non-aqueous media
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小麦胚芽脂肪酶催化非水介质中仲醇的动力学拆分

DOI:
10.1007/s10529-008-9823-1
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发表时间:
2008
影响因子:
2.7
通讯作者:
--
中科院分区:
工程技术4区
文献类型:
--
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利用小麦胚芽脂肪酶对仲醇进行动力学拆分。它具有与Kazlauskas规则相反的对映选择性,并作为反Kazlauskas催化剂。考察了初始水活度、有机溶剂、酰基供体和温度等因素对反应的影响。小麦胚芽脂肪酶仅在初始水活度(αw= 0.97)较高的正己烷中具有较高的活性和对映选择性,尤其是在1-苯基乙醇(C32%,E> 200)中。其性能随酰基供体链长和温度的变化不大。
The lipase from wheat germ was used for the kinetic resolution of secondary alcohols. It has the opposite enantioselectivity against the Kazlauskas rule and acts as an anti-Kazlauskas catalyst. The effect of initial water activity, organic solvent, acyl donor and temperature were investigated. Wheat germ lipase had a high activity and enantioselectivity only inn-hexane with a high initial water activity (αw= 0.97), especially with 1-phenylethanol (C 32%,E> 200). Its performance changed little with the chain length of acyl donor and temperature.
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