Direct production of 1,9-anthrapyrimidine-2-carboxylic acid-1, a

Details Direct production of 1,9-anthrapyrimidine-2-carboxylic acid-1, a Direct production of 1,9-anthrapyrimidine-2-carboxylic acid-1, a

1973-12-19

1976-01-20

Gallagher, Richard J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

106308, C07D23984

Patent

active

039338215

ABSTRACT:
Direct production of 1,9-anthrapyrimidine-2-carboxylic acid-1'-anthraquinonylamide in pigmentary form by reaction of 1,9-anthrapyrimidine-2-carboxylic acid chloride with 1-amino-anthraquinone in a polar water-miscible aprotic solvent. The dye is obtained in a high yield and in a very finely divided and pure form. The isolated reaction product may be used direct as a pigment.

REFERENCES:
patent: 2731464 (1956-01-01), Ebel et al.
patent: 2871240 (1959-01-01), Randall et al.
patent: 3324131 (1967-06-01), Genta
patent: 3660407 (1972-05-01), Kay et al.
patent: 3723479 (1973-03-01), Schuhmacher

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