Cyanopyridine,intermediate of rimifon, was synthesized from 4-picoline using vanadium oxide as a catalyst in a fixed-bed reactor, reached 99% conversion of 4-picoline, 88% selectivity and 87.
以4甲为原料,在固定床反应器中通过含钒的催剂发生气固相接触反应制备雷封中间体4氰,4甲的转率为99%,4氰的选择性为88%,收率为87。