Bis-N,N' nitro or amino benzoyl amino phenols

Details Bis-N,N' nitro or amino benzoyl amino phenols Bis-N,N' nitro or amino benzoyl amino phenols

1991-01-04

1992-07-14

Raymond, Richard L.

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

Organic compounds

Amino nitrogen containing

564154, 564155, 564158, C07C23700

Patent

active

051304813

ABSTRACT:
Nitro dinitro and diamino compounds having the formula: ##STR1## wherein A is selected from the group consisting of SO.sub.2 ; O, S, CO, C.sub.1 to C.sub.6 alkylene, perfluoroalkylene or perfluoroarylalkylene having from 1 to 10 carbon atoms, and a carbon-carbon bond directly linking the two aromatic groups, R is selected from the group consisting of hydrogen, hydroxy and C.sub.1 to C.sub.4 alkoxy, and R' is selected from the group consisting of NO.sub.2 and NH.sub.2.
In the most preferred embodiment, the A linking group is selected from hexafluoroisopropylidene or 1-phenyl-2,- 2,2-trifluoroethane, and R is hydroxy.
The compounds of the present invention, where R' is NH.sub.2, may be used as crosslinking agents for epoxy resins and for unsaturated elastomers, or as a reactant monomer with an organic diacid or dianhydride co-reactant monomer in the preparation of polyamide, polyimide, polyamide-imide and polybenzoxazole polymers having superior thermal and mechanical properties.

REFERENCES:
patent: 4111906 (1978-09-01), Jones et al.

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