Preparation of 2,4,6-trichlorophenylhydrazine

Details Preparation of 2,4,6-trichlorophenylhydrazine Preparation of 2,4,6-trichlorophenylhydrazine

1983-10-28

1988-09-20

Hines, Robert V.

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

Organic compounds

Amino nitrogen containing

544237, 548475, 564310, C07C10904

Patent

active

047727470

ABSTRACT:
Disclosed is a process for the preparation of 2,4,6-trichlorophenylhydrazine by chlorinating the reaction product of phenylhydrazine and a dicarboxylic anhydride to obtain an N-(2,4,6-trichloroanilino)dicarboximide which is reacted with a base capable of liberating 2,4,6-trichlorophenylhydrazine therefrom.

REFERENCES:
patent: 2495000 (1950-01-01), Hanford
patent: 2675409 (1954-04-01), Orloff et al.
patent: 2973386 (1961-02-01), Weldon
patent: 2995567 (1961-08-01), Sarett et al.
patent: 3375273 (1968-03-01), Drain et al.
patent: 3734925 (1973-05-01), Minieri
patent: 3962336 (1976-06-01), Lademann et al.
patent: 4447647 (1984-05-01), Werner et al.
Borisavljevic et al., "Chemical Abstracts", vol. 60, pp. 5390-5391 (1964).
Manfred et al., "Chemical Abstracts", vol. 79, p. 376, Section No. 137069e (1973).

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