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Divi s Laboratories Limited patents


Recent patent applications related to Divi s Laboratories Limited. Divi s Laboratories Limited is listed as an Agent/Assignee. Note: Divi s Laboratories Limited may have other listings under different names/spellings. We're not affiliated with Divi s Laboratories Limited, we're just tracking patents.

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Process for the preparation of droxidopa

A novel process for the preparation of L-threo-dihydroxyphenylserine (Droxidopa) is described. It comprises of enantioselective hydrolysis of racemic (DL)-threo-N-acetyl-3-(3,4-methylenedioxyphenyl)-serine using commercially available L-amino acylase from Aspergillus sp. (EC 3.5.1.14) in the presence of cobalt ions, to obtain (L)-threo-3-(3,4-methylenedioxyphenyl)-serine followed by dealkylation to obtain Droxidopa. Protecting the amino group of (L)-threo-3-(3,4-methylenedioxyphenyl)-serine... Divi s Laboratories Limited








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