5-(4,4,5,5-四甲基-1,3,2-二噁硼烷-2-基)-3-(三氟甲基)吡啶-2-胺 、 2-(5-iodo-imidazo[2,1-b][1,3,4]thiadiazol-2-ylamino)-7-aza-spiro[3.5]nonane-7-carboxylic acid tert-butyl ester 在
(1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride sodium carbonate 作用下,
以
1,4-二氧六环 为溶剂,
以79%的产率得到2-[5-(6-amino-5-trifluoromethyl-pyridin-3-yl)-imidazo[2,1-b][1,3,4]thiadiazol-2-ylamino]-7-aza-spiro[3.5]nonane-7-carboxylic acid tert-butyl ester