2-(3-(trifluoromethyl)-5,6-dihydropyrano[2,3-e]pyrazol-1(4H)-yl)acetic acid 、 1-(4-fluorophenyl)-4,5,6,7-tetrahydro-1H-pyrazolo[4,3-b]pyridine 在
1-[1-(4-fluorophenyl)-6,7-dihydro-5H-pyrazolo[4,3-b]pyridin-4-yl]-2-[3-(trifluoromethyl)-5,6-dihydro-4H-pyrano[2,3-c]pyrazol-1-yl]ethanone 、
acetonitrile-water 、
三氟乙酸 作用下,
以to provide 32 mg (70%) of the title compound as a white foam的产率得到1-[1-(4-fluorophenyl)-6,7-dihydro-5H-pyrazolo[4,3-b]pyridin-4-yl]-2-[3-(trifluoromethyl)-5,6-dihydro-4H-pyrano[2,3-c]pyrazol-1-yl]ethanone