Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent
Patent
1991-08-28
1992-08-25
Bond, Robert T.
Organic compounds -- part of the class 532-570 series
Organic compounds
Chalcogen in the nitrogen containing substituent
C07D26536
Patent
active
051420465
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.
REFERENCES:
patent: 4382892 (1983-05-01), Hayakawa et al.
Atarashi Shohgo
Hayakawa Isao
Higashihashi Nobuyuki
Imamura Masazumi
Ohshima Masayuki
Bond Robert T.
Daiichi Pharmaceutical Co. Ltd.
Ward E. C.
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