3,5-二氟扁桃酸 、
2-((2S)-2-amino-pentanoylamino)-5-(1-methylethyl)-thiazole-4-N,N-dimethylcarboxamide 在
N-甲基吗啉 、 benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate 作用下,
生成 2-[2-[2-(3,5-difluorophenyl)-2-hydroxy-acetylamino]-(2S)-pentanoylamino]-5-(1-methylethyl)thiazole-4-N,N-dimethylcarboxamide