Process and intermediates for preparing fiber-reactive phthalocy

Details Process and intermediates for preparing fiber-reactive phthalocy Process and intermediates for preparing fiber-reactive phthalocy

1978-09-21

1980-05-20

Trousof, Natalie

Harness for working animal

2603145, 260146R, 260146D, 260146T, 260147, 260162, 260163, C07B 4704

Patent

active

042040566

ABSTRACT:
Process for preparing fiber-reactive water-soluble phthalocyanine azo dyes, using the following conversion stages ##STR1## followed by the diazonium coupling of the fiber-reactive group to the pyrazole ring. The novel intermediates are desirable products.

REFERENCES:
patent: 2413224 (1946-12-01), Fox
patent: 3047582 (1962-07-01), Bienert
patent: 3625936 (1971-12-01), Meininger
patent: 4048189 (1977-09-01), Kienzle

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