2-(S)-methyl-3-(3,4-difluorophenyl)propionic acid 、
3-Amino-1-methyl-5-(5-oxo-5,6,7,8-tetrahydro-naphthalen-2-yl)-1,3-dihydro-benzo[e][1,4]diazepin-2-one 在
1-羟基苯并三唑 、
1-(3-二甲基氨基丙基)-3-乙基碳二亚胺 作用下,
以70%的产率得到(S)-3-(3,4-Difluoro-phenyl)-2-methyl-N-[(S)-1-methyl-2-oxo-5-(5-oxo-5,6,7,8-tetrahydro-naphthalen-2-yl)-2,3-dihydro-1H-benzo[e][1,4]diazepin-3-yl]-propionamide