Quinoxaline-2-yl ethenyl ketones and a process for the...

Details Quinoxaline-2-yl ethenyl ketones and a process for the... Quinoxaline-2-yl ethenyl ketones and a process for the...

C - Chemistry, Metallurgy

07

D

260/265.9

C07D 241/52 (2006.01) A23K 1/16 (2006.01) A23K 1/17 (2006.01) C07D 403/06 (2006.01)

Patent

CA 1165319

NOVEL QUINOXALINE-2-YL ETHENYL KETONES AND A PROCESS FOR THE PREPARATION THEREOF Abstract The invention relates to novel quinoxalin-2-yl ethenyl ketones, their preparation and compositions containing them. The novel quinoxaline-2-yl ethenyl ketones of the general formula I Image /I/ wherein R1 represents an aryl group or a heterocyclic group comprising one or more nitrogen and/or oxygen and/or sulfur atoms wherein both the aryl and heterocyclic groups are optionally substituted by one or more identical or different substituents, R2 stands for a hydrogen atom or a C1-4 alkyl group, are prepared by reacting an acetylquinoraline derivative of the general formula II - 2 - Image /II/ wherein R2 is as stated above, with an aldehyde of the general formula II R1-CHO /III/ wherein R1 is as stated above. The novel compounds of the general formula I possess valuable antibacterial effect and promote the growth of animals. Thus, the novel compounds can be incorporated in animal feeds.

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