8-chloro-5,6,7,8-tetrahydro-2-quinolone and...

Details 8-chloro-5,6,7,8-tetrahydro-2-quinolone and... 8-chloro-5,6,7,8-tetrahydro-2-quinolone and...

C - Chemistry, Metallurgy

07

D

260/289.8

C07D 215/22 (2006.01) C07D 215/227 (2006.01) C07D 215/40 (2006.01) C09B 29/08 (2006.01)

Patent

CA 1129863

ABSTRACT OF THE DISCLOSURE 8-Chloro-5,6,7,8-tetrahydro-2-quinolone and 8-bromo-5,6,7,8- tetrahydro-2-quinolone, the hydrochloride or hydrobromide thereof and their manufacture by reacting 3,4,5,6,7,8-hexahydro-2- quinolone with chlorine or bromine in an inert solvent at 10 to 50° C with heating of the reaction mixture to 60 to 80° C after the halogen addition. The compounds of the invention may be used in the preparation of dyestuffs for polyesters.

335700

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