(4-(S)-tert-butoxycarbonylamino-4-carboxybutyl)trimethylammonium chloride 、
(4-[2,4-dichloro-3-(2,4-dimethylquinolin-8-yloxymethyl)benzenesulfonylamino]tetrahydropyran-4-yl)carbonylpiperazine hydrochloride 在
1-羟基苯并三唑 、
N,N'-二环己基碳二亚胺 、 Deloxan ASP I/7 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 24.5h,
以46%的产率得到[4-(S)-tert-butoxycarbonylamino-5-(4-{4-[2,4-dichloro-3-(2,4-dimethylquinolin-8-yloxymethyl)benzenesulfonylamino]tetrahydropyran-4-ylcarbonyl}piperazin-1-yl)-5-oxopentyl]trimethylammonium chloride