Lipase-catalyzed ammonolysis of trimethylsilylmethyl acetate in organic solvent

Lipase could catalyze the ammonolysis of trimethylsilylmethyl acetate in organic solvents and Novozym 435 was the best biocatalyst for the reaction. The influences of some factors on the reaction were investigated. Cyclohexane, n-hexane and heptane were found to be suitable reaction media and ammoni...

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Published in:Biocatalysis and biotransformation 2004-05, Vol.22 (3), p.183-187
Main Authors: Peng, Hua-song, Zong, Min-hua, Wang, Ju-fang, Xu, Yi-qun
Format: Article
Language:English
Subjects:
Ammonolysis
Bioconversions. Hemisynthesis
Biological and medical sciences
Biotechnology
Biotransformation
Fundamental and applied biological sciences. Psychology
Lipase
Methods. Procedures. Technologies
Microaqueous phase
Silicon atom
Trimethylsilylmethyl acetate
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creator Peng, Hua-song
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description Lipase could catalyze the ammonolysis of trimethylsilylmethyl acetate in organic solvents and Novozym 435 was the best biocatalyst for the reaction. The influences of some factors on the reaction were investigated. Cyclohexane, n-hexane and heptane were found to be suitable reaction media and ammonium carbamate was the best ammonium source. The optimal initial water activity, temperature and pH value were 0.55-0.75, 35°C and 6.5 respectively, under which a substrate conversion of 97.6% could be achieved after reaction for 140 h.
doi_str_mv 10.1080/10242420410001727364
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source Taylor and Francis Science and Technology Collection
subjects Ammonolysis
Bioconversions. Hemisynthesis
Biological and medical sciences
Biotechnology
Biotransformation
Fundamental and applied biological sciences. Psychology
Lipase
Methods. Procedures. Technologies
Microaqueous phase
Silicon atom
Trimethylsilylmethyl acetate
title Lipase-catalyzed ammonolysis of trimethylsilylmethyl acetate in organic solvent
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