Esterification process

Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters

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560205, C07C 6708

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active

052312224

ABSTRACT:
An improved esterification process for producing volatile product esters by reacting a lower linear hydrocarbyl carboxylic acid with an alcohol containing from 2 to 10 carbon atoms, in a substantially non-aqueous medium, the improvement comprising minimizing the amount of acidic sulfate contained in the product ester by employing as the esterification catalyst a long chain alkylbenzene sulfonic acid catalyst, the alkyl radical containing from 8 to 20 carbon atoms, or mixtures of such catalysts.

REFERENCES:
patent: 3071604 (1963-01-01), Bloomfield et al.
patent: 3692822 (1972-09-01), Hay et al.
patent: 4698440 (1987-10-01), Blair et al.
"Effect of Catalysts on the Esterification of Stearic Acid" by V. Peterka in Prumysl Potravin, vol. 27, No. 2, pp. 115-116, (1976) (English Translation).
"Studies of the Rate of Oleic Acid Esterification with Methanol" by A. Cybulski in Chemica Stosowana, vol. 26, No. 1, pp. 85-97, (1982), Institute of Chem. Warsaw (English Translation).
Chapter 8 of "Sulphonation and Related Reactions" by E. E. Gilbert, Interscience Pub., (1965) pp. 425-431.
"Esterification of Butanol and Acetic Acid" by C. E. Leyes and D. F. Othmer, Ind. Eng. Chem., vol. 37, pp. 968-977 (1945).
"Cause of the Slowdown of the Esterification Reaction Catalyzed by Aromatic Sulfonic Acids," B. I. Charelishvili et al in Kinetika i Kataliz, vol. 19. No. 4, pp. 899-903 (1977); English Translation, pp. 715-718 (1978).

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