N-[5-(1, tert-Butyloxycarbonylpiperidin-4-yl)-2,3-dihydro-1-(2-methylpropyl)-2-oxo-1H-1,4-benzodiazepin-3-yl]-N'-[3-(tetrazol-5-yl)-phenyl]urea 在
三氟乙酸 作用下,
以
二氯甲烷 为溶剂,
以14%的产率得到N-[2,3-Dihydro-1-(2-methylpropyl)-2-oxo-5-(piperidin-4-yl)-1H-1,4-benzodiazepin-3-yl]-N'-[3-(tetrazol-5-yl)phenyl]urea, trifluoroacetic acid salt