Process for producing a glycolipid ester

Details Process for producing a glycolipid ester Process for producing a glycolipid ester

1978-11-21

1980-07-29

Brown, Johnnie R.

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

Organic compounds

Carbohydrates or derivatives

536 4, 536116, 536119, C07H 1506, C07H 304

Patent

active

042152135

ABSTRACT:
A process for producing a glycolipid ester represented by the formula, ##STR1## wherein R.sub.3 represents a hydrogen atom or a methyl group, R.sub.4 represents a saturated or unsaturated hydrocarbon group having 12 to 16 carbon atoms when R.sub.3 is a hydrogen atom, R.sub.4 represents a saturated or unsaturated hydrocarbon group having 11 to 15 carbon atoms when R.sub.3 is a methyl group, and R represents a saturated or unsaturated alkyl group having 2 to 20 carbon atoms, which comprises subjecting Sophorolipid to methanolysis and methylation reactions by reaction with methanol in the presence of a strong acid to produce methyl 1-[(2'-O-.beta.-D-glucopyranosyl-.beta.-D-glucopyranosyl)oxy]-alkanoate and -alkenoate, and subjecting the resulting mixture to ester interchange by reaction with an alcohol represented by the formula,

REFERENCES:
patent: 2602789 (1952-07-01), Schwartz et al.
patent: 2931797 (1960-04-01), Gibbons et al.
patent: 2992082 (1961-07-01), Ownby et al.
patent: 3585185 (1971-06-01), Levis, Jr. et al.
patent: 3631025 (1971-12-01), Martin
patent: 3634397 (1972-01-01), Thompson et al.
patent: 4011389 (1977-03-01), Langdon

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