O-(7-azabenzotriazol-1-yl)-1,1,3,3-tetramethyluronium hexafluorophosphate 、
3-chloro-6-furan-2-yl-8-trifluoromethyl-imidazo[1,2-a]pyridine-2-carboxylic acid 、
6,7-二氢-5H-吡咯并[3,4-b]吡啶 在
(3-chloro-6-furan-2-yl-8-trifluoromethyl-imidazo[1,2-a]pyridin-2-yl)-(5,7-dihydro-pyrrolo[3,4-b]pyridin-6-yl)-methanone 作用下,
以gave (3-chloro-6-furan-2-yl-8-trifluoromethyl-imidazo[1,2-a]pyridin-2-yl)-(5,7-dihydro-pyrrolo[3,4-b]pyridin-6-yl)-methanone (compound 217)的产率得到(3-chloro-6-furan-2-yl-8-trifluoromethyl-imidazo[1,2-a]pyridin-2-yl)-(5,7-dihydro-pyrrolo[3,4-b]pyridin-6-yl)-methanone