8-oxo-5,6,7,8-tetrahydro-2-quinolone and process for the...

Details 8-oxo-5,6,7,8-tetrahydro-2-quinolone and process for the... 8-oxo-5,6,7,8-tetrahydro-2-quinolone and process for the...

C - Chemistry, Metallurgy

07

D

260/289.8

C07D 215/24 (2006.01) C07D 215/26 (2006.01) C09B 29/44 (2006.01)

Patent

CA 1137483

ABSTRACT OF THE DISCLOSURE 8-Oxo-5,6,7,8-tetrahydro-2-quinolone is a novel compound which is prepared by hydrolyzing the hydrochloride of the corresponding 8-chloro compound or the hydrobromide of the corresponding 8-bromo compound to give the corresponding 8-hydroxy compound, and dehydrogenating the latter one. The compound of the invention can be used in the preparation of coupling components for disperse dyes which are used to dye polyesters.

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