{(S)-1-[(S)-1-(6-bromo-2-methoxy-naphthalen-1-ylmethyl)-7-cyano-2-oxo-2,3,4,5-tetrahydro-1H-benzo[b][1,4]diazepin-3-ylcarbamoyl]-ethyl}-methyl-carbamic acid tert-butyl ester 、
对苯二甲酸 、
三氯氧磷 在
乙酸乙酯 作用下,
以
吡啶 为溶剂,
反应 1.17h,
以to provide tert-butyl N-[(1S)-2-[[(3S)-1-[(6-bromo-2-methoxy-1-naphthyl)methyl]-5-[4-[(3S)-1-[(6-bromo-2-methoxy-1-naphthyl)methyl]-3-[[(2S)-2-[tert-butoxycarbonyl(methyl)amino]propanoyl]amino]-7-cyano-2-oxo-3,4-dihydro-1,5-benzodiazepine-5-carbonyl]benzoyl]-7-cyano-2-oxo-3,4-dihydro-1,5-benzodiazepin-3-yl]amino]-1-methyl-2-oxo-ethyl]-N-methyl-carbamate (6 mg, 1%) as an off white solid的产率得到tert-butyl N-[(1S)-2-[[(3S)-1-[(6-bromo-2-methoxy-1-naphthyl)methyl]-5-[4-[(3S)-1-[(6-bromo-2-methoxy-1-naphthyl)methyl]-3-[[(2S)-2-[tert-butoxycarbonyl(methyl)amino]propanoyl]amino]-7-cyano-2-oxo-3,4-dihydro-1,5-benzodiazepine-5-carbonyl]benzoyl]-7-cyano-2-oxo-3,4-dihydro-1,5-benzodiazepin-3-yl]amino]-1-methyl-2-oxo-ethyl]-N-methyl-carbamate