Process for the isolation of hydroxy fatty acid derivatives from

Details Process for the isolation of hydroxy fatty acid derivatives from Process for the isolation of hydroxy fatty acid derivatives from

1992-12-14

1994-03-22

Dees, Jose G.

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

Organic compounds

Fatty compounds having an acid moiety which contains the...

4241951, C07C 100

Patent

active

052966216

ABSTRACT:
The invention provides a process for the isolation of hydroxy fatty acid derivatives from Convolvulaceae plants like Ipomoea batatas and Ipomoea orizabensis by extracting parts of said plants like leaves, stems, seeds and in particular roots and tubers thereof, with an organic solvent, removing the solvent for at least the main part from the extract, dispersing the obtained residue into water, subjecting the obtained dispersion to a single hydrolysis step and recovering the released hydroxy fatty acids, like 11-hydroxy palmitic acid and 3,11-hydroxy myristic acid from the aqueous dispersion by means of an extraction agent. The obtained hydroxy fatty acid may be used in the synthesis of specific organic compounds like lactones or in the preparation of products having purgative properties and of thickeners for lubricating greases respectively.

REFERENCES:
Wagner et al, Plant Med., vol. 49, No. 3, 1983 pp. 154-157.
Wagner et al, Chemical Abstracts, vol. 100, No. 17, 1983, 135814x.
H. Wagner, The Chemistry of Resin Glycosides of the Convolvulaceae Family, Nobel 25 (1973), Chemistry in botanical classification, pp. 235-240.
Bieber, L. W. et al., Phytochemistry, 1986, vol. 25, No. 5, pp. 1077-1081.
H. Wagner, Planta Medica, 1978, vol. 33, pp. 144-151.
Sukhdev Singh, Phytochemistry, 1973, vol. 12, pp. 1701-1705.
H. Wagner, Phytochemistry, 1977, vol. 16, pp. 715-717.
Tetrahydron Letters No. 36, pp. 3123-3126, 1970.
H. Wagner, Planta Medica 49, (1983), pp. 154-157.
H. Wagner, Planta Medica, 1978, vol. 33, pp. 144-151.
Tetrahydron Letters No. 36, pp. 3123-3126, 1970.

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