Method of producing alkandiol-diaminobenzoates

Details Method of producing alkandiol-diaminobenzoates Method of producing alkandiol-diaminobenzoates

1978-12-04

1981-08-11

Breitenstein, G. T.

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

Organic compounds

Carboxylic acid esters

528 64, C07C10162

Patent

active

042835496

ABSTRACT:
A method of producing alkandiol-diaminobenzoates which includes esterifying nitro-benzoic acid and certain diols in a melt and then dissolving the intermediate in a solvent sparingly soluble in water such as an aromatic hydrocarbon, an ether or an ester and reducing with hydrogen gas.

REFERENCES:
patent: 3037046 (1962-05-01), Illich et al.
patent: 3891693 (1975-06-01), Preston
patent: 3932360 (1976-01-01), Cerankowski et al.
Weissberger, Separation & Purification, vol. III, 2d ed., Interscience Publ., Inc., N. Y., pp. 301-307, (1956).
Fieser, Experiments in Organic Chem., 3d Ed., D. C. Heath & Co., Boston, pp. 47-50, (1955).

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