2,4-Difluoroaniline → 2-(2,4-Difluorophenylamino)-8-methoxy-10,11-dihydrodibenzo[a,d]cyclo-hepten-5-one

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Reaction Steps

In accordance with general method O, 0.52 g (1.9 mmol) of 2-chloro-8-methoxy-10,11-dihydrodibenzo[a,d]cyclohepten-5-one, 0.30 g (2.3 mmol) of 2,4-difluoroaniline, 0.04 g of Pd(OAc)2, 0.16 g of phosphine ligand and 0.86 g (8.9 mmol) of Na—O-tert-butylate are reacted in 10 ml of toluene and 2 ml of tert-BuOH. Purification is carried out by column chromatography (flash; SiO2; hexane 90%/ethyl acetate 10%). Yield: 66%; m.p.: 157° C.

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