Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...
Patent
1992-02-14
1994-01-11
Tsang, Cecilia
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Heterocyclic carbon compounds containing a hetero ring...
544101, A61K 31535, C07D49804
Patent
active
052781585
ABSTRACT:
Oxazinobenzazole derivatives represented by the formula (I): ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4, which may be the same or different, each independently represents a hydrogen atom or a lower alkyl group; R.sup.5 and R.sup.6 jointly form, in conjunction with the two adjacent carbon atoms, a substituted or unsubstituted 5- or 6-membered heterocyclic ring having at least two nitrogen atoms and optionally having one or more heteroatom(s) selected from the group consisting of an oxygen atom, a sulphur atom and a nitrogen atom; and m is an integer of 0 or 1, and pharmaceutically acceptable salts thereof. The compounds of the present invention are useful as antispasmodic medicaments.
REFERENCES:
patent: 4446113 (1984-05-01), Evans et al.
patent: 4661482 (1987-04-01), Nedelec et al.
Matsuhisa Akira
Matsumoto Yuzo
Tsuzuki Ryuji
Uchida Wataru
Yanagisawa Isao
Datlow Philip I.
Tsang Cecilia
Yamanouchi Pharmaceutical Co. Ltd.
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