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脂肪酶促Ketoprofen对映体选择性酯化反应——有机溶剂,助溶剂及添加剂的影 被引量:1

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摘要 系统研究了有机介质,助溶剂及添加剂对脂肪酶Novozym 435(Candida antarctica lipase B)催化的Ketoprofen的对映体选择性酯化反应的影响,以环己烷为反应介质,Novozym 435表现出较高的活性和对映体选择性;助溶剂及添加剂对Ketoprofen立体选择性酯化反应较大影响,极性助溶剂苯和甲苯能提高酶反应的对映体选择性;添加少量的18-Crown-16能提高酯化反应速率和对映体选择性;在研究的范围内,N,N-二甲基甲酰胺(DMF)不能提高酶反应对映体选择 性 。
出处 《华南理工大学学报(自然科学版)》 CSCD 北大核心 2000年第12期41-47,共7页 Journal of South China University of Technology(Natural Science Edition)
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