2-(S)-methyl-3-(3,4-difluorophenyl)propionic acid 、
3-Amino-5-(2,3-dihydro-benzo[1,4]dioxin-6-yl)-1-methyl-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)-N-[(S)-5-(2,3-dihydro-benzo[1,4]dioxin-6-yl)-1-methyl-2-oxo-2,3-dihydro-1H-benzo[e][1,4]diazepin-3-yl]-2-methyl-propionamide