Heterocyclic compounds

Details Heterocyclic compounds Heterocyclic compounds

1979-07-19

1981-06-02

Daus, Donald G.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546157, 548326, 548327, C09B 5704

Patent

active

042713030

ABSTRACT:
Compounds of the formula ##STR1## where B is oxygen, sulfur, imino or >N--R.sup.1, the ring A may be substituted, and R, Y.sup.1 to Y.sup.4 and Z are conventional dye substituents.
The compounds according to the invention give brilliant, very fast dyeings on polyesters and mass-colorations of plastics.

REFERENCES:
patent: 3923806 (1975-12-01), Bock et al.
patent: 4051099 (1977-09-01), von der Crone

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