Ethyl[2-cyano-2-[[4-(1-cyano-1-phenylethyl)phenyl]hydrazono]acetyl]carbamate 、
potassium acetate 在
30 、
水 、
氯仿 作用下,
以
溶剂黄146 为溶剂,
反应 3.0h,
以yielding 6.86 parts of 2-[4-(1-cyano-1-phenylethyl)phenyl]-2,3,4,5-tetrahydro-3,5-dioxo-1,2,4-triazine-6-carbonitrile as a residue (intermediate 65)的产率得到2-[4-(1-cyano-1-phenylethyl)phenyl]-2,3,4,5-tetrahydro-3,5-dioxo-1,2,4-triazine-6-carbonitrile