Malate salts, and polymorphs of (3S,5S)-7-[3-amino-5-methyl-piperidinyl]-1-cyclopropyl-1,4-dihydro-8-methoxy-4-oxo-3-quinolinecarboxylic acid
The present invention is directed to malate salts of (3S,5S)-7-[3-amino-5-methyl-piperidinyl]-1-cyclopropyl-1,4-dihydro-8-methoxy-4-oxo-3-quinolinecarboxylic acid, and its polymorphs. The present invention is also directed to pharmaceutical compositions comprising the described salts and polymorphs.
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Page/Page column 8
(2008/06/13)
Hydride reduction process for preparing quinolone intermediates
Hydride process for making acyclic diol intermediates from cyclic intermediates, useful in antibacterial quinolone synthesis.
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Page/Page column 5-6
(2008/06/13)
Coupling process for preparing quinolone intermediates
Process for making 7-cycloamino-1-cyclopropyl-1,4-dihydro-8-methoxy-4-oxo-3-quinolinecarboxylic acids. Borate ester compounds suitable for use in such process.
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Page/Page column 6; 7
(2008/06/13)
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