6,6-Dimethyl-3-(2-methylprop-1-yl)-4,5,6,7-tetrahydrobenzo[c]thiophen-4-one-1-thiocarboxamide 、
6,6-dimethyl-3-methylthio-4-oxo-4,5,6,7-tetrahydro-2-benzothiophene-1-carbothioamide 以65%的产率得到6,6-Dimethyl-3-methylthio-1-(thiazol-2-yl)-4,5,6,7-tetrahydrobenzo[c]thiophen-4-one