CATALYTIC SYSTEM FOR OXIDATIVE AMMONOLYSIS OF ALKYLPYRIDINS AND METHOD OF PREPARING CYANOPYRIDINS Russian patent published in 1998 - IPC

FIELD: catalysts in organic chemistry. SUBSTANCE: catalytic system contains vanadium, titanium, zirconium, and molybdenum oxides, where V₂O₅:TiO₂:ZrO₂ molar ratio ranges from 1:1:2 to 1:12:25 and amount of MoO₃ constitutes 0.54 to 2.6 wt % of amount of V₂O₅. System is used in oxidative ammonolysis of alkylpyridins at 280-400 C. In this case, conversion of 3- methylpyridin, for instance, does not require water steam and ammonia is used in virtually stoichiometric or slightly excessive molar amount. EFFECT: simplified process. 6 cl, 2 tbl, 25 ex