申请人:Yamanouchi Pharmaceutical Co., Ltd.
公开号:US05420126A1
公开(公告)日:1995-05-30
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##
提供了式(I)的新型苯并噁嗪衍生物:##STR1##以及它们的药学上可接受的盐和用作钾通道激活剂的方法。2-(3,4-二氢-2,2-二甲基-6-苯基磺酰基-2H-1,4-苯并噁嗪-4-基)吡啶N-氧化物是式(I)的苯并噁嗪衍生物的实例。还提供了中间化合物,例如式(II)的化合物:##STR2##