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US 2011/0034690 A1Published application
Process for the preparation of pure prulifloxacin
AssigneeRanbaxy Laboratories Limited
InventorsTarun Kant Sharma, Raghuram Morampudi, Shanmugam Srinivasan
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Abstract
The present invention relates to a process for the preparation of prulifloxacin. The present invention further relates to prulifloxacin having purity of about 99% or above.
Claims8
A process for the preparation of prulifloxacin, wherein said process comprises,
- a) contacting prulifloxacin with an acid in a biphasic solvent system, wherein the biphasic solvent system comprises water and a water-immiscible organic solvent,
- b) separating the aqueous layer from the reaction mixture obtained in step b)
- c) treating the aqueous layer with a base, and
- d) isolating prulifloxacin from the reaction mixture thereof.
1 more element
Prulifloxacin having purity of about 99% or above.
Dependencies are inferred from the claim text.