Para-nitrodiphenylamine synthesis

Details Para-nitrodiphenylamine synthesis Para-nitrodiphenylamine synthesis

1985-05-20

1987-07-28

Warren, Charles F.

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

Organic compounds

Amino nitrogen containing

564406, 564433, C07C 8502

Patent

active

046833323

ABSTRACT:
There is disclosed a process for the synthesis of para-nitrodiphenylamines via the Formanilide Process wherein the improvement is characterized in that a specific catalyst is utilized. More specifically, a zinc (II) compound (zinc in the plus two oxidation or valence state), is used as a catalyst in the preparation of para-nitrodiphenylamines via the formanilide process.

REFERENCES:
patent: 3313854 (1967-04-01), Levy
patent: 4155936 (1979-05-01), Sturm
patent: 4187248 (1980-02-01), Merten et al.
patent: 4435599 (1984-03-01), Sturm
Sidgwick, N. V. "The Organic Chemistry of Nitrogen" Clarendon Press, Oxford 1966, pp. 159-160.

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