3-氨基环丁砜盐酸盐 、
2-amino-6-methyl-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylic 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
N,N-二甲基甲酰胺 为溶剂,
以15 %的产率得到2-amino-N-(1,1-dioxo-1λ
6-thiolan-3-yl)-6-methyl-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamide