Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1980-09-29
1981-10-06
Schwartz, Richard A.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
424256, 546123, 546297, C07D491147
Patent
active
042936950
ABSTRACT:
2,3,5,8-Tetrahydrofuro- and 5,8-dihydrofuro[3,2-b]-1,8-naphthyridine compounds of the formula (I) ##STR1## wherein R.sup.1 represents an alkyl group having 1 to 6 carbon atoms and M represents a hydrogen atom, an alkali metal or an alkaline earth metal having anti-bacterial activity.
REFERENCES:
patent: 3663559 (1972-05-01), Derijckere et al.
patent: 4079058 (1978-03-01), Ackermann et al.
Chemical Abstracts, 88: 152461f, (1978), [Heindl, J., et al., Eur. J. Med. Chem.-Chim. Ther., 1977, 12(6), 549-555].
Chemical Abstracts, 76: 72499m, (1972), [Albrecht, R., et al., German Ols. No. 2,030,899, 12/23/71].
Hayakawa Isao
Tanaka Yoshiaki
Daiichi Seiyaku Co., Ltd.
Schwartz Richard A.
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