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

1985-02-20

1986-04-29

Shaver, Paul F.

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

Organic compounds

Amino nitrogen containing

C07C 8500, C07C 8502, C07C 8506

Patent

active

045858950

ABSTRACT:
Disclosed is an improved process for the preparation of mixed squaraine compositions which comprises reacting a dialkyl squarate, a dialkyl aniline, and a dialkylhaloaniline in the presence of an aliphatic alcohol and an acid catalyst.

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"The Chemistry of Squaraines", Schmidt, Arthur H., Oxocarbon (1980) pp. 185-231, Edited: Robert West, Academic: New York Press.

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