2,2'-Bis(dicyclohexylphosphino)-1,1'-biphenyl → {8-[4-(Dimethyl-phosphinoyl)-phenyl]-[1,2,4]triazolo[1,5-a]pyridin-2-yl}-{3-[1-(2-methanesulfonyl-ethyl)-piperidin-4-yl]-phenyl}-amine

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Reaction Steps

203 c) {8-[4-(Dimethyl-phosphinoyl)-phenyl]-[1,2,4]triazolo[1,5-a]pyridin-2-yl}-{3-[1-(2-methanesulfonyl-ethyl)-piperidin-4-yl]-phenyl}-amine was prepared from 2-chloro-8-[4-(dimethyl-phosphinoyl)-phenyl]-[1,2,4]triazolo[1,5-a]pyridine (75.0 mg, 0.245 mmol) and 3-[1-(2-methanesulfonyl-ethyl)-piperidin-4-yl]-phenylamine (78.0 mg, 0.276 mmol) with 2,2′-bis-dicyclohexylphosphanyl-biphenyl (21.0 mg, 0.0384 mmol) as the ligand in a manner analogous to Example 2d. Product isolated as an off-white solid (0.078 g, 58%).

Provenance & Evidence