Bis-pyridone compounds

Details Bis-pyridone compounds Bis-pyridone compounds

1997-03-07

1998-09-22

Northington Davis, Zinna

Organic compounds -- part of the class 532-570 series

Organic compounds

Diazo or diazonium

534561, C07C24506

Patent

active

058115293

ABSTRACT:
A fiber reactive dye having the formula ##STR1## wherein R.sub.1 and R.sub.3 are independently selected from the group consisting of; hydrogen; an alkyl group having from one to four carbon atoms; the foregoing alkyl group further substituted with one or more groups selected from hydroxy; amino; sulfo; halogen; an aryl radical; a heterocyclic radical or combination thereof; where for R.sub.3 said amino group maybe further substituted by a nitrogen heterocyclic fiber reactive group of the series: 1, 3, 5 mono or dichloro triazinyl; 1, 3, 5 mono or difluoro triazinyl; trichloropyrimidinyl; difluoropyrimidinyl; or monochlorodifluoro pyrimidinyl; where the nitrogen heterocycle may be further substituted by an: alkyl; or aryl amino group;
wherein B is selected from the group consisting of a C.sub.2 to C.sub.4 alkyl chain; a substituted aryl or a heterocyclic radical;
wherein X is selected from the group consisting of SO.sub.3 H; SO.sub.3 Na or a hydroxy group; and wherein Q.sub.1 and Q.sub.2 are independently selected from diazo components.

REFERENCES:
patent: 3994906 (1976-11-01), Hegar
patent: 4243809 (1981-01-01), Seitz
patent: 4618671 (1986-10-01), Kayane et al.

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