1,3-benzoxazine derivatives, their production and use

Details 1,3-benzoxazine derivatives, their production and use 1,3-benzoxazine derivatives, their production and use

1991-09-25

1993-12-14

Shah, Mukund J.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Heterocyclic carbon compounds containing a hetero ring...

5142305, 544 71, 544 89, 544 90, 544 95, A61K 31535, C07D26512, C07D26516, C07D49804

Patent

active

052703088

ABSTRACT:
A new compound of the formula: ##STR1## wherein ##STR2## is an optionally substituted benzene ring; R.sup.1 is a carbocyclic or heterocyclic group which is linked to the 4-position of the 1,3-benzoxazine ring through a carbon-carbon bond, a hydrocarbon residue, etc.; and R.sup.2 and R.sup.3 are independently a hydrogen atom or an optionally substituted C.sub.1-6 alkyl group, etc., or a salt thereof is useful for treating and preventing heart, circulatory, respiratory and cerebral diseases.

REFERENCES:
patent: 4971982 (1990-11-01), Attwood et al.
patent: 5036068 (1991-07-01), Baumgarth et al.
Sankyo Co., Chemical Abstract vol. 98, No. 16704s (JP 57-130,979, 1982).
King et al., Chem. Abstract vol. 57, No. 11179g (1962).

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