对苯二甲酸 、
{(S)-1-[(S)-7-cyano-1-(2-methyl-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 在
吡啶 、
三氯氧磷 作用下,
反应 1.17h,
生成 tert-butyl N-[(1S)-2-[[(3S)-5-[4-[(3S)-3-[[(2S )-2-[tert-butoxycarbonyl(methyl)amino]propanoyl] amino]-7-cyano-1-[(2-methyl-1-naphthyl)methyl]-2-oxo-3,4-dihydro-1,5-benzodiazepine-5-carbonyl]benzoyl]-7-cyano-1-[(2-methyl-1-naphthyl)methyl]-2-oxo-3,4-dihydro-1,5-benzodiazepin-3-yl]amino]-1-methyl-2-oxo-ethyl]-N-methyl-carbamate