benzyl 5S-amino-6-(4-methoxyphenylsulfamoyl)hexylcarbamate hydrochloride 、
4-(dicyanomethylene)-2-methyl-6-(p-dimethylaminostyryl)-4H-pyran 在
benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate 、
三乙胺 作用下,
以
甲醇 、 2,4-methyl-2S-[4-(2-pyridin-3-ylaminothiazol-4-yl)benzoylamino]pentanoic acid hydrochloride 、
乙酸乙酯 、
N,N-二甲基甲酰胺 为溶剂,
生成
benzyl [6-(4-methoxyphenylsulfamoyl)-5S-(4-methyl-2S-{4-[2-(pyridin-3-ylamino)thiazol-4-yl]-benzoylamino}pentanoylamino)hexyl]carbamate