Patent ID: 8609711

Claim:
The compound N-{(1S)-2-amino-1-[(3-fluorophenyl)methyl]ethyl}-5-chloro-4-(4-chloro-1-methyl-1H-pyrazol-5-yl)-2-thiophenecarboxamide hydrochloride in crystalline form, made by a process comprising the steps of: a) adding N-{(1S)-2-amino-1-[(3-fluorophenyl)methyl]ethyl}-5-chloro-4-(4-chloro-1-methyl-1H-pyrazol-5-yl)-2-thiophenecarboxamide and methyl t-butyl ether to form a mixture; b) adding HCl acid to the mixture and stir at above room temperature; c) allowing the mixture to return to room temperature; and d) isolate and dry the prepared compound.