PROCESS FOR SAPONIFYING POLYPEPTIDES CONTAINING A UNIT OF GLUTAMIC ACID-GAMMA-ESTER USING A MIXTURE OF ALCOHOLS IN THE PRESENCE OF AN ALKALINE METAL HYDROXIDE

A process for preparing a polypeptide or copolypeptide having a high molecular weight and a narrow molecular weight distribution and containing a unit of an alkali metal salt of glutamic acid is provided. The polypeptide or copolypeptide is prepared by saponifying a polypeptide or copolypeptide havi...

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Bibliographic Details
Main Authors KOIWA Y,JA, FUJIMOTO Y,JA
Format Patent
LanguageEnglish
Published 25.06.1974
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary:A process for preparing a polypeptide or copolypeptide having a high molecular weight and a narrow molecular weight distribution and containing a unit of an alkali metal salt of glutamic acid is provided. The polypeptide or copolypeptide is prepared by saponifying a polypeptide or copolypeptide having a unit of a gamma -ester of glutamic acid within the molecule with an alkali metal hydroxide.
Bibliography:Application Number: US19720284134