picoline

Picoline is the by-product in the preparation of diphenylamine with aniline.

甲基吡是续缩合合成二副产物。

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甲基吡为原料,在固定床反应器中通过含氧钒催剂发生气固相接触氨氧反应制备雷米封中间体4氰基吡,4甲基吡率为99%,4氰基吡选择性为88%,收率为87。