、
2-[(3-cyano-4-methyl-6-oxo-1,6-dihydropyridin-2-yl)sulfanyl]acetic 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 1.0h,
以7 mg的产率得到(4S,7R)-7-((S)-1-(2-((3-cyano-4-methyl-6-oxo-1,6-dihydropyridin-2-yl)thio)acetyl)pyrrolidine-2-carboxamido)-N,N-dimethyl-6,10-dioxo-1,3,4,5,6,7,8,10-octahydrobenzo[j][1,8,5]oxathiaazacyclododecine-4-carboxamide