Title:
SULFATE SALT OF QUINOLONECARBOXYLIC ACID DERIVATIVE AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2001/057017
Kind Code:
A1
Abstract:
The invention provides a novel sulfate salt and a hydrate thereof, which are useful in efficient recovery of 1-cyclopropyl-7-(3-methyl-1-piperazinyl)-6-fluoro-8-methoxy-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid. Specifically, the invention provides a sulfate salt of 1-cyclopropyl-7-(3-methyl-1-piperazinyl)-6-fluoro-8-methoxy-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid and a hydrate of the salt, and industrial use of both.
Inventors:
KOIKE TOMOMI (JP)
AIZAWA YASUHIRO (JP)
AIZAWA YASUHIRO (JP)
Application Number:
PCT/JP2001/000599
Publication Date:
August 09, 2001
Filing Date:
January 30, 2001
Export Citation:
Assignee:
KYORIN SEIYAKU KK (JP)
KOIKE TOMOMI (JP)
AIZAWA YASUHIRO (JP)
KOIKE TOMOMI (JP)
AIZAWA YASUHIRO (JP)
International Classes:
C07D215/56; (IPC1-7): C07D401/04
Domestic Patent References:
| WO2000010570A1 | 2000-03-02 |
Foreign References:
| EP0230295A2 | 1987-07-29 | |||
| EP0241206A2 | 1987-10-14 | |||
| JPH11209286A | 1999-08-03 | |||
| CN1257073A | 2000-06-21 |
Other References:
See also references of EP 1253149A4
Attorney, Agent or Firm:
Minoura, Kiyoshi (2-2 Kudankita 3-chome, Chiyoda-ku Tokyo, JP)
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