picoline

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

甲基是苯缩合合成二苯副产物。

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,4甲基转率为99%,4氰基选择性为88%,收率为87。