Process for producing esters of carbohydrate materials

Details Process for producing esters of carbohydrate materials Process for producing esters of carbohydrate materials

1984-01-24

1985-02-26

Griffin, Ronald W.

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

Organic compounds

Carbohydrates or derivatives

536107, C08B 3104

Patent

active

045018880

ABSTRACT:
This invention describes a process for acetylating (esterifying) starches including dispersing the starch in an organic acid; contacting the starch with an organic acid anhydride; and reacting the components in the presence of a quaternary ammonium halide.

REFERENCES:
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patent: 2140346 (1938-12-01), Bley
patent: 2399455 (1946-04-01), Treadway
patent: 2412213 (1946-12-01), Groen
patent: 4060506 (1977-11-01), Verbanac
Starch: Chemistry and Technology, Whistler, vol. II, pp. 376-380, 1967, Academic Press, New York, N.Y.
Chemistry and Industry of Starch, R. W. Kerr, 2nd Ed., pp. 262-293, 1950, Academic Press, New York, N.Y.
Chem. Commun., Iverson, vol. 5, 31 p., 1979, "Synthesis and Partial O-Substitution Studies of Some Carbohydrates".
J. Chromatographer, Arbin et al., vol. 170(1), pp. 25-33, Elsevier Scientific Publishing Company, Netherlands, "Alkylation of Carboxylic Acids by Solid-Liquid Phase-Transfer Catalysis for Determination by Gas Chromatography".
Pol. J. Chem., Szeja, vol. 54(6), pp. 1301-1304, 1980, "Acylation of Carbohydrates in the Catalytic Two-Phase System".
Pol. J. Chem., Szeja, vol. 54(6), pp. 1323-1325, 1980, "Selective Esterification of Primary Hydrolyl Groups in Sugars in a Catalytic Two-Phase System".

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