6,6-difluoro-3-(4-methylthiazol-2-yl)-4,5,6,7-tetrahydrobenzo[b]thiophen-2-ylamine 、
3-(tert-butoxycarbonyl)picolinic acid 在
silica gel 、 ethyl acetate heptane 作用下,
生成 tert-butyl 2-[[6,6-difluoro-3-(4-methylthiazol-2-yl)-4,5,6,7-tetrahydrobenzo[b]thiophen-2-yl]carbamoyl]pyridine-3-carboxylate