Monoazo dye having diaminopyridine derivatives

Details Monoazo dye having diaminopyridine derivatives Monoazo dye having diaminopyridine derivatives

1992-05-26

1994-01-11

Lee, Mary C.

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

Organic compounds

Azo

534770, C09B 2942, D06P 336

Patent

active

052782948

ABSTRACT:
A monoazodye of the following formula (I): ##STR1## wherein X is CN, Cl or Br, one of R.sup.1 and R.sup.2 is phenyl and the other is --C.sub.2 H.sub.4 OC.sub.2 H.sub.4 OR.sup.3, wherein R.sup.3 is C.sub.1 -C.sub.5 alkyl, formyl, C.sub.2 -C.sub.6 alkylcarbonyl or C.sub.2 -C.sub.6 alkoxycarbonyl.

REFERENCES:
patent: 4042578 (1977-08-01), Dehnert et al.
patent: 4855412 (1989-08-01), Dehnert et al.
patent: 5196521 (1993-03-01), Ramanathan et al.

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