5,5-dimethyl-2-(thiophene-2-carboxamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylic acid 、
二乙胺 在
N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
生成
N,N-Diethyl-5,5-Dimethyl-2-[(2-Thienylcarbonyl)amino]-4,5,6,7-Tetrahydro-1-Benzothiophene-3-Carboxamide