反应详情

hydrogenating the 3-cyano-2,6-dichloro-4-methylpyridine produced in b) in the presence of an organic solvent, with an hydrogenation catalyst selected from the group consisting of palladium (II) chloride and 10% Pd/C, at 50 to 150 psi, at a temperature of from 20° C. to 100° C., for 6 to 24 hours, to produce 3-cyano-4-methylpyridine;

1. customproduced in b) in the presence of an organic solvent