2-methyl-5-(methylsulfamoyl)benzoic acid 、 在
N,N-二异丙基乙胺 、 N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate 作用下,
以
二甲基亚砜 为溶剂,
反应 2.0h,
以22 mg的产率得到(4S,7R)-N,N-dimethyl-7-((S)-1-(2-methyl-5-(N-methylsulfamoyl)benzoyl)pyrrolidine-2-carboxamido)-6,10-dioxo-1,3,4,5,6,7,8,10-octahydrobenzo[j][1,8,5]oxathiaazacyclododecine-4-carboxamide