2-Halo-pyridines of the general formula I ##STR1## wherein X is Cl or Br; A is .dbd.0 or ##STR2## Ar is phenyl or substituted phenyl of the general formula ##STR3## in which n is 0, 1, 2 or 3; R is alkyl C.sub.1-4, alkoxy C.sub.1-4, phenoxy, alkylthio C.sub.1-4, halogen especially F and Cl, OH or C.sub.6 H.sub.5 ; and their salts, addition compounds and precursors (prodrugs). Furthermore the invention is directed to the production of these compounds and pharmaceuticals containing them.
通式I的2-卤代
吡啶化合物,其中X为Cl或Br;A为.dbd.0或##STR2##;Ar为苯基或通式##STR3##的取代苯基,其中n为0、1、2或3;R为烷基C.sub.1-4、烷氧基C.sub.1-4、苯氧基、烷
硫基C.sub.1-4、卤素特别是F和Cl、OH或C.sub.6 H.sub.5;以及它们的盐类、加成物和前药(前体药)。此外,本发明还涉及这些化合物的制备和含有它们的药物。