3,4-dihydro-2H-1,4-benzoxazine derivatives and pharmaceutical co

Details 3,4-dihydro-2H-1,4-benzoxazine derivatives and pharmaceutical co 3,4-dihydro-2H-1,4-benzoxazine derivatives and pharmaceutical co

1992-11-24

1995-05-30

Shah, Mukund J.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Heterocyclic carbon compounds containing a hetero ring...

544105, C07D27301, C07D41302

Patent

active

054201268

ABSTRACT:
Novel benzoxazine derivatives of the formula (I): ##STR1## are provided as well as their pharmaceutically acceptable salts and a method for their use as potassium channel activating agents 2-(3,4-Dihydro-2, 2-dimethyl-6-phenylsulfonyl-2H-1,4-benzoxazin-4-yl)pyridine N-oxide is illustrative of a benzoxazine derivative of formula (I). Also provided are intermediate compounds such as those of formula (II): ##STR2##

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