Barium salt of benzimidazole derivative
AssigneeRanbaxy Laboratories Limited
InventorsYatendra KUMAR, Mahavir Singh Khanna, Mohan Prasad
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Abstract
The invention relates to crystalline barium salt of (S)-omeprazole, which is (S)-5-methoxy-2-[[(4-methoxy-3,5-dimethyl-2-pyridinyl)-methyl]sulfinyl]-1H-benzimidazole. The invention also relates to processes for preparing crystalline barium salt of (S)-omeprazole and pharmaceutical compositions that include the crystalline barium salt of (S)-omeprazole so prepared.
Claims8
A process for the preparation of crystalline (S)-omeprazole barium comprising the step of contacting (S)-omeprazole freebase, its salt or derivatives thereof, with a barium containing compound that is capable of forming the barium salt (S)-omeprazole in a suitable solvent.
Dependencies are inferred from the claim text.