{(S)-1-[(S)-1-(2-methoxy-naphthalen-1-ylmethyl)-2-oxo-2,3,4,5-tetrahydro-1H-benzo[b][1,4]diazepin-3-ylcarbamoyl]-ethyl}-methyl-carbamic acid tert-butyl ester 、
对苯二甲酰氯 在
caesium carbonate 作用下,
以
四氢呋喃 为溶剂,
反应 20.0h,
以84.9%的产率得到tert-butyl N-[(1S)-2-[[(3S)-1-[4-[(3S)-3-[[(2S)-2-[tert-butoxycarbonyl(methyl)amino]propanoyl]amino]-5-[(2-methoxy-1-naphthyl)methyl]-4-oxo-2,3-dihydro-1,5-benzodiazepine-1-carbonyl]benzoyl]-5-[(2-methoxy-1-naphthyl)methyl]-4-oxo-2,3-dihydro-1,5-benzodiazepin-3-yl]amino]-1-methyl-2-oxo-ethyl]-N-methyl-carbamate