C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 498/04 (2006.01) A61K 31/535 (2006.01) C07D 413/04 (2006.01) C07D 513/04 (2006.01)
Patent
CA 2061179
ABSTRACT OF THE DISCLOSURE Oxazinobenzazole derivatives represented by the formula (I): Image (I) wherein R1, R2, R3 and R4, which may be the same or different, each independently represents a hydrogen atom or a lower alkyl group; R5 and R6 jointly form, in conjunction with the two adjacent carbon atoms, a substituted or unsubstituted 5- or 6 membered hetero- cyclic 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. - 70 -
Matsuhisa Akira
Matsumoto Yuzo
Tsuzuki Ryuji
Uchida Wataru
Yanagisawa Isao
Johnson Douglas S. Q.c.
Yamanouchi Pharmaceutical Co. Ltd.
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