ethyl N-[4-amino-4'-(trifluoromethyl)-3-biphenylyl]-β-alaninate 在
ethyl acetate n-hexane 、
乙酸乙酯 作用下,
以
溶剂黄146 为溶剂,
反应 2.0h,
以Column chromotography (1:1 hexane/ethyl acetate to 100% ethyl acetate) provided the title compound (41.9 mg, 48%) as a white solid的产率得到7-[4-(trifluoromethyl)phenyl]-1,3,4,5-tetrahydro-2H-1,5-benzodiazepin-2-one