Biphenyl pyrazine compounds

Details Biphenyl pyrazine compounds Biphenyl pyrazine compounds

1994-10-19

1995-11-07

Higel, Floyd D.

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

Organic compounds

Azo

534797, 534560, 544359, 544384, 544403, 544357, 544398, 544401, 528 68, 524190, C07C24508, C09B 3503, C07D24100

Patent

active

054649412

ABSTRACT:
The present invention provides novel substituted biphenyl pyrazines or pyrazine derivatives ("BPD") which are functional and have useful application as a monomer for a variety of high performance polymers such as polyester, polyarylate, polycarbonate, polyetherketones, epoxides, polyimides, polyamides, and polyamides-imides; and as pigments for coating compositions such as paints. These BPD have the formula: ##STR1##

REFERENCES:
patent: 2838486 (1958-06-01), Mueller et al.
patent: 3157667 (1964-11-01), Kern et al.
patent: 4051123 (1987-09-01), Piller et al.
patent: 4568623 (1986-02-01), Makino et al.
patent: 4847364 (1989-07-01), Mockli

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