2-aminothiophene radical substituted by an electron withdrawing

Details 2-aminothiophene radical substituted by an electron withdrawing 2-aminothiophene radical substituted by an electron withdrawing

1987-06-30

1989-06-06

Higel, Floyd D.

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

Organic compounds

Azo

534588, 534630, 534753, 534757, C09B 3102, C09B 3302, C09B 35037

Patent

active

048372692

ABSTRACT:
Disazothiphene dyes of the formula ##STR1## where X is an electron withdrawing group, Z is an electron withdrawing group, D is the radical of a diazo component and K is the radical of a coupling component, are highly suitable for dyeing synthetic fibers, in particular polyesters.

REFERENCES:
patent: 4180503 (1979-12-01), Vor Derbruck et al.
patent: 4264495 (1981-04-01), Maher et al.
patent: 4621136 (1986-11-01), Imahori et al.
Chemical Abstracts, Band 104, Nr. 22, Juni 1986, Seite 92, Zusammenfassung Nr. 188160v, Columbus, OH, U.S.; & JP-A-60 223 863, (Mitsui Toatsu Chemicals, Inc.), 08-11-1985, Ito et al.
Chemical Abstracts, Band 105, Nr. 16, Oktober 1986, Seite 76, Zusammenfassung Nr. 135409x, Columbus, OH, U.S. & JP-A-61-28 556, (Mitsui Totsu Chemicals, Inc.), 08-02-1986, Ito et al, II.
J. Org. Chem., vol. 38, No. 20, pp. 3616, 3617.
J. Heterocyclic Chem., 16, pp. 1541-1543, (1979) Elnagdi et al.

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