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甲基吡啶为原料,在固定床反应器中通过含

的



气固相接触氨
反应制备雷米封中间体4氰基吡啶,4甲基吡啶的转
率为99%,4氰基吡啶的选择性为88%,收率为87。

,而且吸收效果顯著更好,可以立即
利用,而無需複雜的轉換過程,並且





