Preparation of solutions of imido-alkancarboxylic acids suitable

Details Preparation of solutions of imido-alkancarboxylic acids suitable Preparation of solutions of imido-alkancarboxylic acids suitable

1996-12-20

1997-12-30

Therkorn, Ernest G.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548476, 568558, 568561, C07D20948

Patent

active

057032424

ABSTRACT:
Purification process of imido-alkancaboxylic acids from contaminants represented by acid-carboxylic, lactam or aminoacids and water comprising:

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patent: 5487818 (1996-01-01), Cavallotti
J.H. Billman et al. "Amino Acids. V. Phthalyl Derivatives" J. Am. Chem. Soc., vol. 70; 1473-74 (1948).
B. Taub et al., ".epsilon.-Imido Esters. I. The Course of the Reaction between Phthalic Anhydride and Caprolactam" J. Org. Chem. Soc., vol. 24; 2062-63 (1959).
R. Stuart Tipson, "N,N-Phthaloyl-L-glutamic Acid and Some Derivatives", J. Org. Chem. Soc., vol. 21; 1353-57 (1956).
B. Taub et al., ".epsilon.-Imido Esters. The Reaction between Anhydrides and .epsilon.-Caprolactam" J. Chem. Eng. Data, vol. 10, 399-401 (1965).

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