Process for the purification of chenodeoxycholic acid

Details Process for the purification of chenodeoxycholic acid Process for the purification of chenodeoxycholic acid

1980-07-11

1982-05-25

Roberts, Ebert L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07J 900

Patent

active

043316077

ABSTRACT:
Process for preparing chenodeoxycholic substantially free from impurities and from solvents; crude chenodeoxycholic acid is subjected to crystallization from a solvent selected in the group consisting of mono- and polyhalogenated aliphatic hydrocarbons containing from 1 to 5 carbon atoms and that, if desired, the thus obtained product is dissolved in a water-miscible organic acid having low molecular weight and the thus obtained solution is poured into water, the precipitate is poured into water, the precipitate is collected by filtration, washed with water and dried.

REFERENCES:
patent: 3931256 (1976-01-01), Saltzman
patent: 4022806 (1977-05-01), Frost et al.

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