Dicyanobenzanthrone compounds

Details Dicyanobenzanthrone compounds Dicyanobenzanthrone compounds

1987-03-09

1989-01-31

Hollrah, Glennon H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 5022

Patent

active

048014060

ABSTRACT:
The dyes of formula (1) as indicated in claim 1 are obtained by reacting 1-aminoanthraquinones with malodinitrile in the presence of titanium tetrachloride and a tertiary amine. These dyes are suitable e.g. for dyeing polyester material.

REFERENCES:
patent: 2117720 (1938-05-01), Hopff et al.
patent: 4175193 (1974-01-01), Kadin
Abrahart, Dyes and Their Intermediates, 1968, p. 8.

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