Preparation of 3-substituted-4-arylquinolin-2-one derivatives

Details Preparation of 3-substituted-4-arylquinolin-2-one derivatives Preparation of 3-substituted-4-arylquinolin-2-one derivatives

C - Chemistry, Metallurgy

07

D

C07D 217/22 (2006.01) C07D 217/24 (2006.01) C07D 307/02 (2006.01) C07D 307/30 (2006.01)

Patent

CA 2393012

The present invention relates to a process for the preparation of 3- substituted-4-arylquinolin-2-one derivatives from a substituted coumarin and using a photochemical cyclization method on a dihydrofuran intermediate.

L'invention concerne un procédé servant à préparer des dérivés de 4-arylquinoléine-2-one 3-substituée à partir d'une coumarine substituée, ce qui consiste à mettre en application une méthode de cyclisation photochimique sur un intermédiaire de dihydrofurane.

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