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 、
N,N-Dimethyl-N'-thiophen-2-ylmethyl-ethane-1,2-diamine 在
3-chloro-6-furan-2-yl-8-trifluoromethyl-imidazo[1,2-a]pyridine-2-carboxylic acid (2-dimethylamino-ethyl)-thiophen-2-ylmethyl-amide 作用下,
以gave 3-chloro-6-furan-2-yl-8-trifluoromethyl-imidazo[1,2-a]pyridine-2-carboxylic acid (2-dimethylamino-ethyl)-thiophen-2-ylmethyl-amide (compound 319)的产率得到3-chloro-6-furan-2-yl-8-trifluoromethyl-imidazo[1,2-a]pyridine-2-carboxylic acid (2-dimethylamino-ethyl)-thiophen-2-ylmethyl-amide