Process for the preparation of triamino benzenes by catalytic hy

Details Process for the preparation of triamino benzenes by catalytic hy Process for the preparation of triamino benzenes by catalytic hy

1975-11-06

1979-02-27

Douglas, Winston A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260578, 548305, C07C 8511

Patent

active

041419170

ABSTRACT:
1,2,4-TRIAMINO BENZENES ARE OBTAINED IN HIGH YIELD AND PURITY BY CATALYTIC HYDROGENATION OF 2,4-DINITRO ANILINES IN WATER CONTAINING AT LEAST ONE MOLAR EQUIVALENT OF A MONO- OR DI-CARBOXYLIC ACID. The products are known and useful as intermediates for dyes and biocides.

REFERENCES:
patent: 2684383 (1954-07-01), Krueger
patent: 3079435 (1963-02-01), Friefelder et al.
patent: 3366683 (1968-01-01), Johnson et al.
patent: 3929891 (1975-12-01), Habig et al.
patent: 3935264 (1976-01-01), Bhutani
Adams et al., "JACS", vol. LXXIX, pp. 417-419 (1957).
Webster, "Webster's Third International Dictionary", p. 961 (1961).
Sidgwick, "Organic Chem. of Nitrogen", pp. 252, 256 & 257 (1949).
Astle, "Industrial Organic Nitrogen Compounds", pp. 84-87 (1961).
Tickle et al., "J. Chem. Soc. B", vol. 1, pp. 65-70 (1970).

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