C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
167/234, 260/302
C07D 417/04 (2006.01) A61K 31/425 (2006.01)
Patent
CA 1320207
72222-124 ABSTRACT The hemiphosphate hemihydrate salt of 2-(1-pentyl-3- quanidino)-4-(2-methyl-4-imidazolyl)thiazole is the preferred salt of an antiulcer agent. The hemiphosphate hemihydrate is prepared by solubilizing dihydrochloride salt of the compound in a phosphate buffer containing acetone and maintaining the resulting solution to form crystals of the hemiphosphate hemihydrate. The hemiphosphate hemihydrate is stable non-hygroscopic crystalline compound and contains a light weight percent of the active agent.
609568
Appleton Troy Anthony
Smith Ward Marvin
Pfizer Inc.
Smart & Biggar
LandOfFree
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