3-Halogeno-6-hydroxy-pyridone-(2) azo dyestuffs

Details 3-Halogeno-6-hydroxy-pyridone-(2) azo dyestuffs 3-Halogeno-6-hydroxy-pyridone-(2) azo dyestuffs

1975-07-14

1977-04-12

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260146R, 260146D, 260146T, 260154, 260156, 260270P, 260272, 260297R, C09B 6208, C09B 6224, C09B 6250, C09B 4504

Patent

active

040174778

ABSTRACT:
New azo compounds containing the radical of a 3-halogeno-6-hydroxy-pyridone-(2) of the formula ##STR1## wherein X represents halo, R and R' represent hydrogen aryl, cyclohexyl, alkyl or substituted alkyl and D represents the residue of a diazo component of the benzene series, said compounds useful as dyestuffs.

REFERENCES:
patent: 2431190 (1947-11-01), Morgan
patent: 2891941 (1959-06-01), Fasciati et al.
patent: 2929809 (1960-08-01), Menzi et al.
patent: 2950165 (1960-08-01), Hadfield et al.
patent: 3393190 (1968-07-01), Stright
patent: 3487066 (1969-12-01), Ritter et al.
patent: 3640674 (1972-02-01), Berrie et al.
patent: 3657214 (1972-04-01), Berrie et al.
patent: 3664996 (1972-05-01), Berrie et al.
patent: 3725383 (1973-04-01), Austin et al.

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