(R)-tert-butyl 1-([1,1'-biphenyl]-4-ylmethyl)-3-isobutyl-5-methyl-2-oxo-2,3-dihydro-1H-benzo[e][1,4]diazepine-8-carboxylate 、
三氟乙酸 以
二氯甲烷 为溶剂,
反应 4.0h,
以53 mg的产率得到(R)-1-([1,1'-biphenyl]-4-ylmethyl)-3-isobutyl-5-methyl-2-oxo-2,3-dihydro-1H-benzo[e][1,4]diazepine-8-carboxylic acid trifluoroacetic acid salt