O-(7-azabenzotriazol-1-yl)-1,1,3,3-tetramethyluronium hexafluorophosphate 、
3-chloro-6-(3-furanyl)-8-(trifluoromethyl)imidazo[1,2-a]pyridine-2-carboxylic acid 、
2,2-二甲基吡咯烷 在
(3-chloro-6-furan-3-yl-8-trifluoromethyl-imidazo[1,2-a]pyridin-2-yl)-(2,2-dimethyl-pyrrolidin-1-yl)-methanone 作用下,
以gave (3-chloro-6-furan-3-yl-8-trifluoromethyl-imidazo[1,2-a]pyridin-2-yl)-(2,2-dimethyl-pyrrolidin-1-yl)-methanone (compound 330)的产率得到(3-chloro-6-furan-3-yl-8-trifluoromethyl-imidazo[1,2-a]pyridin-2-yl)-(2,2-dimethyl-pyrrolidin-1-yl)-methanone