Process for the preparation of fluorine containing monomers

Details Process for the preparation of fluorine containing monomers Process for the preparation of fluorine containing monomers

1993-07-19

1994-02-22

Hollrah, Glennon H.

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

Organic compounds

Amino nitrogen containing

534578, 534843, 562416, 562417, 562435, 562491, 564139, 564166, 564315, 568812, 570129, 570142, C07C20936, C07C20942

Patent

active

052889084

ABSTRACT:
Compounds of the formula ##STR1## in which X represents hydrogen, --NO.sub.2 or --NH.sub.2 and Y represents --CH.sub.3, --COOH, --CONH.sub.2, --NH.sub.2 or --N.dbd.N--Z, in which the group --Z is ##STR2## with the proviso that if Y represents the group --N.dbd.N--Z, X is only --NO.sub.2, and if Y represents the group --CH.sub.3, X is only hydrogen, are described. A compound of the formula ##STR3## the preparation of which in a multi-stage process, in which the compounds of the general formula (I) are also obtained, is described, is preferred.
The resulting 3,4'-diamino compound is suitable for the preparation of polycondensates and shaped articles, films and fibers of high heat resistance.

REFERENCES:
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patent: 3356648 (1967-12-01), Rogers
patent: 4370501 (1983-01-01), Lau
patent: 4645824 (1987-12-01), Landis et al.
patent: 4711964 (1987-12-01), Tan et al.
patent: 4758380 (1988-07-01), Alston et al.
patent: 4952669 (1990-08-01), Vora
Farah et al., J. Org. Chem., vol. 30, pp. 998-1001 (1965).

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