Preparation of N-acetyl-p-aminophenol

Details Preparation of N-acetyl-p-aminophenol Preparation of N-acetyl-p-aminophenol

1984-11-13

1987-06-02

Hines, Robert V.

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

Organic compounds

Amino nitrogen containing

564418, C07C10310

Patent

active

046705899

ABSTRACT:
Production of N-acetyl-p-aminophenol by hydrogenation of p-nitrophenol to p-aminophenol and concurrently acetylating the p-aminophenol with acetic anhydride with the acetylation controlled so that substantially no excess acetic anhydride is present in the system until the hydrogenation reaction has reached substantial completion.

REFERENCES:
patent: 2947781 (1960-08-01), Spiegler
patent: 3076030 (1963-01-01), Freifelder
patent: 3079435 (1963-02-01), Freifelder et al.
patent: 3341587 (1967-09-01), Duesel
patent: 3694508 (1972-09-01), Baron et al.
patent: 3717680 (1973-02-01), Baron et al.
patent: 3845129 (1974-10-01), Reid
patent: 3917695 (1975-11-01), Schulman et al.
patent: 4264525 (1981-04-01), Huber

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