Optically active pyridobenzoxazine derivatives and intermediates thereof
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United States of America Patent
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Jan 15, 1991
Issued Date -
N/A
app pub date -
Mar 23, 1989
filing date -
Jun 20, 1985
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Expired
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Abstract
An optically action pyridobenzoxazine derivative, a process for preparing the same and a novel intermediate useful for preparing the optically active pyridobenzoxazine derivative are disclosed. The optically active pyridobenzoxazine derivative possesses increased antimicrobial activity and reduced toxicity. The intermediate is useful for preparing such optically active pyridobenzoxazine derivatives such as Ofloxacin and anolog compounds.
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