Method of making 7-(4-bromobutoxy)-3,4-dihydrocarbostyril

Details Method of making 7-(4-bromobutoxy)-3,4-dihydrocarbostyril Method of making 7-(4-bromobutoxy)-3,4-dihydrocarbostyril

C - Chemistry, Metallurgy

07

D

C07D 215/22 (2006.01)

Patent

CA 2559824

The invention encompasses synthesizing 7-(4-bromobutoxy)-3,4- dihydrocarbostyril by mixing 7-hydroxy-tetrahydroquinolinone, dibromobutane, and at least one base to form a reaction mixture; heating the reaction mixture; cooling the reaction mixture; and isolating the 7-(4-bromobutoxy)-3,4- dihydrocarbostyril from the reaction mixture. The invention also encompasses using phase transfer catalysts during the reaction.

L'invention concerne une méthode de synthèse de 7-(4-bromobutoxy)-3,4-dihydrocarbostyrile qui mélange 7-hydroxy-tétrahydroquinolinone, dibromobutane, et au moins une base pour former un mélange réactionnel. La méthode consiste à: chauffer le mélange réactionnel; refroidir le mélange réactionnel; et extraire le 7-(4-bromobutoxy)-3,4-dihydrocarbostyrile du mélange réactionnel. L'invention concerne également l'utilisation de catalyseurs de transfert de phase pendant la réaction.

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