4-(pyridyl)- and 4-(oxo-pyridyl)-1,3-benzoxazines

Details 4-(pyridyl)- and 4-(oxo-pyridyl)-1,3-benzoxazines 4-(pyridyl)- and 4-(oxo-pyridyl)-1,3-benzoxazines

1989-11-22

1991-07-30

Shah, Mukund J.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Heterocyclic carbon compounds containing a hetero ring...

544 71, 544 90, 544 92, C07D41304, C07D41312, A61K 31535

Patent

active

050360680

ABSTRACT:
Novel benzoxazine derivatives of the formula I ##STR1## wherein R.sup.1 to R.sup.5 have the meanings defined herein, and salts thereof, exhibit effects on the cardiovascular system.

REFERENCES:
Chemical Abstract 98:126129r (1982).
Tachikawa et al., "Studies on 1,3-Benzoxazines. III, Reaction of Imidoyl Chlorides . . . " Chem. Pharm. Bull. 29(12) 3529-3535 (1981).
Wachi et al., "Studies on 1,3-Benzoxazines. I, Syntheses of Primary 2-Amino-pyridines . . . " Chem. Pharm. Bull. 28(2) 465-472 (1980).
Chemical Abstract 95:115527s (1981).
Chemical Abstract 111:67818b (1988).

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