Method for the continuous production of esters of thermally unst

Details Method for the continuous production of esters of thermally unst Method for the continuous production of esters of thermally unst

1997-05-05

1999-05-11

Geist, Gary

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

Organic compounds

Nitriles

560147, 560186, 560226, 558440, C07C255/03

Patent

active

059028955

ABSTRACT:
A method for the continuous production of esters of thermally unstable acids by the esterification, with or without a catalyst, of the acids with alcohols is provided. The method involves esterification at temperatures of approximately 80.degree. C. to approximately 130.degree. C., essentially in a single reaction zone, to which the acid and an excess of alcohol are continuously supplied and from which a vapor stream containing alcohol and water produced by the esterification reaction are removed, while at the same time removing an ester-rich liquid reaction mixture from the single reaction zone, from which the ester is obtained.

REFERENCES:
patent: 5637761 (1997-06-01), Miltenberger
General College Chemistry by Keenan and Wood, pp. 250-254, 1971.
CA:88:169611, Abstract of Continuous esterification of substituted acetic acids with aliphatic alcohols, DD127117, Sep. 1977.
CA:106:175766, Abstract pf Synthesis and characterization of some cyanoacrylic esters, Rev Chim 37(3) 193-6, 1986.

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