Preparation of N,N-disubstituted m-aminophenols

Details Preparation of N,N-disubstituted m-aminophenols Preparation of N,N-disubstituted m-aminophenols

1992-05-22

1993-09-14

Hollrah, Glennon H.

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

Organic compounds

Amino nitrogen containing

C07C20918

Patent

active

052450813

ABSTRACT:
The preparation of N,N-disubstituted m-aminophenols from resorcinol, which is reacted, in a first step, with primary amines to form N-monosubstituted m-aminophenols, which are treated in situ, in a second step, with alkylating agents to form N,N-disubstituted m-aminophenols.

REFERENCES:
patent: 4067903 (1978-01-01), Hoch et al.
patent: 5130489 (1992-07-01), Dressler
Patent Abstracts of Japan, vol. 11, No. 60 (C-405), Oct. 1, 1986, and JP-A-61-221-155, Iwakura Ken, "Separation of Hydroxytriarylamine".
Patent Abstracts of Japan, vol. 16, No. 289 (C-956), Mar. 11, 1992, and JP-A-40-77-460, Nakatsuka Masakatsu, et al., "Production of 3-N-Cyclohexylaminophenol Derivative".

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