Processes for the preparation of mixed squaraine compositions

Details Processes for the preparation of mixed squaraine compositions Processes for the preparation of mixed squaraine compositions

1985-10-30

1986-08-19

Shaver, Paul F.

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

Organic compounds

Amino nitrogen containing

430 59, 430 57, 430 73, 430 74, 430 95, C07C 8500, C07C 8502, C07C 8506, C07C 8750

Patent

active

046071245

ABSTRACT:
An improved process for the preparation of mixed squaraine compositions which comprises reacting squaric acid, an aromatic amine, and a fluoroaniline, in the presence of an aliphatic alcohol, and an optional azeotropic substance. Also disclosed are mixed squaraine composition products of the following formulas: ##STR1##

REFERENCES:
patent: 4521621 (1985-06-01), Yanus et al.
patent: 4524218 (1985-06-01), Baranyi et al.
patent: 4524219 (1985-06-01), Law
patent: 4524220 (1985-06-01), Law
patent: 4525592 (1985-06-01), Law et al.
patent: 4552822 (1985-11-01), Kazmaier et al.

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