Azo compounds containing two 6-hydroxypyrid-2-one coupling compo

Details Azo compounds containing two 6-hydroxypyrid-2-one coupling compo Azo compounds containing two 6-hydroxypyrid-2-one coupling compo

1990-05-14

1991-12-31

Lee, Mary C.

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

Organic compounds

Azo

534573, 534605, 8639, 8654, 8655, C09B 4408, C09B 4412, D06P 141, D21H 2128

Patent

active

050773968

ABSTRACT:
Compounds of the formula ##STR1## wherein each A is independently linear or branched C.sub.2-6 alkylene or linear or branched C.sub.3-6 alkylene substituted by hydroxy,

REFERENCES:
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patent: 4087244 (1978-05-01), Greve et al.
patent: 4213898 (1980-07-01), Entschel et al.
patent: 4228072 (1980-10-01), Greve
patent: 4634764 (1987-01-01), Greve
patent: 4675388 (1987-06-01), Greve et al.
patent: 4742161 (1988-05-01), Dore

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