Process for obtaining pharmacologically active compounds from co

Details Process for obtaining pharmacologically active compounds from co Process for obtaining pharmacologically active compounds from co

1994-08-25

1998-05-12

Peselev, Elli

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

Organic compounds

Carbohydrates or derivatives

422256, 536 111, 536 41, 536115, 536124, 549231, 552502, 562869, 568700, C07H 100, B01D 1104, C07D30500, C07C 2710

Patent

active

057506795

ABSTRACT:
A process for obtaining pharmacologically active compounds from complex mixtures of substances
Free organic acids, hydroxy acids, fatty alcohols, sugars and hydroxy-substituted steroids are obtained from complex mixtures of substances by mixing the material to be extracted with a polar solvent, drying the resulting mixture, subsequently silylating, esterifying or acylating, and extracting the resulting material with a supercritical fluid under a pressure of more than 200 bar.

REFERENCES:
patent: 4550198 (1985-10-01), Myerson
patent: 4956052 (1990-09-01), Hirata et al.
patent: 5252729 (1993-10-01), Decrosta et al.
patent: 5340475 (1994-08-01), Cortes et al.
J.W. Hills et al., "Simultaneous Supercritical Fluid Derivatization and Extraction," Analytical Chemistry, Bd. 63, No. 19, pp. 2152-2155 (Oct. 1991).
L.Q. Xie et al., "Biomedical Applications of Analytical Supercritical Fluid Separation Techniques," Analytical Biochemistry, Bd. 200, No. 1, pp. 7-19 (Jan. 1992).
K.D.R. Setchell et al., "General Methods for the Analysis of Metabolic Profiles of Bile Acids and Related Compounds in Feces," J. of Lipid Research, Bd. 24, No. 8, pp. 1085-1100 (Aug. 1983).

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