Process for producing a glycolipid methyl ester

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

1978-11-17

1980-08-05

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

042163110

ABSTRACT:
A glycolipid methyl ester represented by the formula (I), ##STR1## wherein R.sub.3 represents a hydrogen atom or a methyl group, and R.sub.4 represents a saturated or unsaturated hydrocarbon group having 12 to 16 carbon atoms when R.sub.3 is a hydrogen atom, and R.sub.4 represents a saturated or unsaturated hydrocarbon group having 11 to 15 carbon atoms when R.sub.3 is a methyl group, is produced by adding at least one polyhydric alcohol represented by the formula (III) or (IV), ##STR2## wherein R.sub.5 represents a hydrogen atom or a methyl group, R.sub.6 and R.sub.7 represent a hydrogen atom or an alkyl group having 1 to 5 carbon atoms, and m and n represent integers from 1 to 6, to hydrated Sophorolipid, removing water by distillation under reduced pressure, and subjecting the resulting Sophorolipid-polyhydric alcohol system to methanolysis and methylation by reaction with methanol in the presence of a strong acid.

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), Tompson et al.
patent: 4011389 (1977-03-01), Langdon

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