Enzymatic ammonolysis process for the preparation of...

Chemistry: molecular biology and microbiology – Enzyme – proenzyme; compositions thereof; process for... – Hydrolase

Reexamination Certificate

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C435S121000, C548S531000, C548S536000

Reexamination Certificate

active

07611880

ABSTRACT:
An enzymatic ammonolysis process is provided for the preparation of intermediates used in preparing dipeptidyl peptidase IV inhibitors wherein the enzymeCandida antarcticalipase-B is used to catalyze the ammonolysis process.

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