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Method for preparing N-(carboxyethyl-p-aminophenol
T979003 Method for preparing N-(carboxyethyl-p-aminophenol
Patent Drawings:

Inventor: Jamieson
Date Issued: February 6, 1979
Application: 05/877,914
Filed: February 15, 1978
Inventors: Jamieson; Norman C. (St. Louis County, MO)
Assignee: Mallinckrodt, Inc. (St. Louis, MO)
Primary Examiner:
Assistant Examiner:
Attorney Or Agent:
U.S. Class: 562/452
Field Of Search:
International Class:
U.S Patent Documents:
Foreign Patent Documents:
Other References:

Abstract: N-(2-carboxyethyl)-p-aminophenol is prepared by reacting p-aminophenol with at least an approximately equimolar proportion of a lower alkyl acrylate in a solvent for the reactants to form an N-(2-carbalkoxyethyl)-p-aminophenol, separating the N-(2-carbalkoxyethyl)-p-aminophenol, hydrolyzing it to form N-(2-carboxyethyl)-p-aminophenol and isolating the N-(2-carboxyethyl)-p-aminophenol substantially free of impurities.
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