1-cyclohexyl-5-(3,3-dimethyl-2-oxo-butyl)-1H-1,3,5-benzotriazepine-2,4(3H,5H)-dione 、
4-溴丁酸苄酯 在
sodium hydride 作用下,
以
DMF (N,N-dimethyl-formamide) 为溶剂,
反应 72.5h,
以57%的产率得到(1-cyclohexyl-5-(3,3-dimethyl-2-oxo-butyl)-2,4-dioxo-1,2,4,5-tetrahydro-1,3,5-benzotriazepin-3-yl)-butyric acid benzyl etser