反应详情

Following the procedure described in example 43§C, but starting from 1-{3-[(4′-bromobiphenyl-4-yl)oxy]propyl}piperidine (0.75 g), 1-prop-2-yn-1-ylpiperidine (320 mg), triethylamine (20 mL), cuprous iodide (4.2 mg), triphenylphosphine (20 mg) and bis(triphenylphosphinepalladiumdichloride) affords 179 mg of 1-(3-{[4′-(3-piperidinoprop-1-yn-1-yl)biphenyl-4-yl]oxy}propyl)piperidine which oxalate melts at 195° C.