1-[(Diorganooxyphosphonyl)-methyl]-2,4- and -2,6-diamido benzene

Details 1-[(Diorganooxyphosphonyl)-methyl]-2,4- and -2,6-diamido benzene 1-[(Diorganooxyphosphonyl)-methyl]-2,4- and -2,6-diamido benzene

1987-05-28

1989-09-05

Sutto, Anton H.

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

Organic compounds

Phosphorus esters

C07F 940

Patent

active

048640506

ABSTRACT:
1-[(Diorganooxyphosphonyl)methyl]-2,4- and -2,6-dinitro- and diamino benzenes are prepared by nitrating an (organophosphonyl)methyl benzene to produce the dinitro compounds which are then reduced to the diamino compounds. The organo groups (alkyl, haloalkyl, aryl) on the phosphorus may be removed to give the free acids, (HO).sub.2 P(.dbd.O)--. The diamino compounds may be polymerized with dianhydrides or diacyl halides to produce fire and flame resistant polymers which are useful in the manufacture of aircraft structures.

REFERENCES:
Mikroyannidis et al, "C.A.", vol. 100, (1984), 52169q.

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