N-cyclohexyl 2-[N-(4-methylbenzyl)-N-(3-azido-(RS)-2-methylpropionyl)amino]-3-hydroxy-3-phenylacrylamide 在
三苯基膦 作用下,
以
甲苯 为溶剂,
反应 24.0h,
以98%的产率得到N-cyclohexyl 4-(4-methylbenzyl)-2-phenyl-5-oxo-(RS)-6-methyl-4,5,6,7-tetrahydro-1H-1,4-diazepine-3-carboxamide