Phenyl (NE)-N-[2-[4-[[2-(5-chloro-2-thienyl)-5-ethyl-6-methyl-pyrimidin-4-yl]amino]phenyl]-1-(hydroxyamino)ethylidene)carbamate 在
silica gel 、
二氯甲烷 作用下,
以
甲苯 为溶剂,
反应 16.0h,
以to give the title compound as a white solid (16 mg, 25% yield over two steps)的产率得到3-[[4-[[2-(5-chlorothiophen-2-yl)-5-ethyl-6-methylpyrimidin-4-yl]amino]phenyl]methyl]-4H-1,2,4-oxadiazol-5-one