Crystalline solid form of (2S,5Z)-2-amino-7-(ethanimidoylamino)-2-methylhept-5-enoic acid

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United States of America Patent

PATENT NO 6998503
APP PUB NO 20040132822A1
SERIAL NO

10646266

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Abstract

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(2S,5Z)-2-amino-7-(ethanimidoylamino)-2-methylhept-5-enoic acid is crystallized as an anhydrous, stoichiometric 1.5 HCl salt and a scaleable crystallization method is disclosed. The salt form was characterized and the absolute configuration of the chiral center was confirmed as 'S'. (2S,5Z)-2-amino-7-(ethanimidoylamino)-2-methylhept-5-enoic acid was high melting and appears acceptably non-hygroscopic for use in a pharmaceutical composition.

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Patent OwnerAddress
PHARMACIA LLC7000 PORTAGE ROAD KALAMAZOO MI 49001

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Inventor Name Address # of filed Patents Total Citations
Hallinan, E Ann Evanston, IL 54 506

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