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##
提供了一种新颖的
苯并恶唑衍
生物,其
化学公式为(I): ##STR1##,以及它们的药用可接受盐和一种方法,用于将它们用作激活
钾通道的剂2-(3,4-二氢-2,2-二甲基-6-苯磺酰基-2H-1,4-
苯并恶唑-4-基)
吡啶N-氧化物是公式(I)的
苯并恶唑衍
生物的示例。还提供了诸如公式(II)的中间化合物:##STR2##