反应详情

Proceeding as in example 2, with 0.035 mole (10.4 g) of 2,4'-dichloro-5-nitro-benzophenone and 0.07 mole (6 g) of piperidine and 0.035 mole (5 g) of calcium carbonate mixed in ethanol, 11 g (Yield: 97%) of the expected product are obtained after recrystallization in ethanol. M.P.=141° C.