1,2,4,6-Tetramethyl-4-(1',4'-dimethyl-2'-N-carbethoxythiocarbamoylmethylen-6'-methylen-piperidin-4'-yl)-1,4-dihydropyridin 在
一水合肼 作用下,
以
乙醇 为溶剂,
反应 1.0h,
以51%的产率得到1,2,4,6-Tetramethyl-4-<1',4'-dimethyl-2'-(1'',2'',4''-triazolin-5''-on-3''-yl-methylen)-6'-methylen-piperidin-4'-yl>-1,4-dihydropyridin