Imidazole substituted benzoxazine or benzothiazine derivatives

Details Imidazole substituted benzoxazine or benzothiazine derivatives Imidazole substituted benzoxazine or benzothiazine derivatives

1991-03-25

1992-12-15

Shah, Mukund J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Chalcogen in the nitrogen containing substituent

544 92, C07D41302, C07D41310, C07D41702, C07D41710

Patent

active

051718510

ABSTRACT:
A benzoxazine or benzothiazine derivative of the formula (A), ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are the same or different and represent a hydrogen atom or a C.sub.1-4 alkyl group; or R.sub.1 and R.sub.2 can be joined together along with the imidazole ring to form a benzimidazole; X and Y are the same or different and represent an oxygen or sulfur atom; or a pharmaceutically acceptable salt thereof, exhibits an excellent inotropic effect and can be used as a cardiac stimulant.

REFERENCES:
patent: 4728653 (1988-03-01), Campbell et al.
Drugs, 33; 503-519 (1987), Weber et al.

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