Optically active pyridobenzoxazine derivatives and anti-microbial use

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United States of America Patent

PATENT NO 5053407
SERIAL NO

06876623

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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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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Patent Owner(s)

Patent OwnerAddress
DAIICHI SANKYO COMPANY LIMITED3-5-1 NIHONBASHI HONCHO CHUO-KU TOKYO 1038426 JAPAN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Atarashi, Shohgo Tokyo, JP 12 153
Hayakawa, Isao Tokyo, JP 31 317
Higashihashi, Nobuyuki Tokyo, JP 5 77
Imamura, Masazumi Tokyo, JP 8 121
Ohshima, Masayuki Tokyo, JP 3 75
Sakano, Katsuichi Tokyo, JP 5 77
Yokohama, Shuichi Tokyo, JP 7 83

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