Method of preparing benzazepines and derivatives thereof

Details Method of preparing benzazepines and derivatives thereof Method of preparing benzazepines and derivatives thereof

C - Chemistry, Metallurgy

07

C

C07C 251/44 (2006.01)

Patent

CA 2557731

The invention relates to a method of preparing benzazepine compounds having general formula (IA) consisting in reacting at least one compound having general formula (IIA) with an olefin, the compound thus obtained then being cyclised such as to produce tetralone, followed by the oxime derivative of same, which, by transformation by a Beckmann rearrangement, gives rise to the desired compounds.

La présente invention concerne un procédé de préparation de composés benzazépines de formule générale (IA) comprenant la réaction d'au moins un composé de formule générale (IIA) avec une oléfine, ledit composé ainsi obtenu étant ensuite cyclisé de manière à obtenir un tétralone, puis le dérivé oxime de celle-ci qui par transformation selon un réarrangement de Beckmann conduit aux composés attendus.

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