Patent ID: 6169184
Filing Date: 2001-01-02
Classification: C07D

Abstract:
A process for the preparation of a phenylpyridine of formula I ##STR8## wherein R.sup.1 is hydrogen, fluorine, chlorine or haloalkyl, R.sup.2 is fluorine, chlorine or haloalkyl, R.sup.3 is hydrogen, halogen or an organic radical that is inert under the reaction conditions, R.sup.4 is alkyl, haloalkyl, halogen, alkylsulfonyl, haloalkylsulfonyl or haloalkoxy, and R.sup.5 is halogen, haloalkyl, haloalkoxy, or haloalkylsulfonyl, which comprises reacting a pyridine of formula II ##STR9## wherein n is 1 or 2, and Y is alkyl, alkenyl or alkynyl, each of which is unsubstituted or substituted by halogen or methoxy; or is cycloalkyl or phenylalkyl; or unsubstituted or substituted phenyl or naphthyl, with an aryl compound of formula III ##STR10## where M is magnesium or zinc and Z is halogen.