Separation of hecogenin-tigogenin mixtures

Details Separation of hecogenin-tigogenin mixtures Separation of hecogenin-tigogenin mixtures

1974-01-22

1976-01-27

Roberts, Elbert L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07J 1700

Patent

active

039351947

ABSTRACT:
A process for separating hecogenin-tigogenin mixtures which involves acetylating the mixed genins, then solvent recrystallization separation of the mixed genin acetates, crystallizing out hecogenin acetate from a non-polar solvent, tigogenin acetate from a polar solvent. A sequential sequence is contemplated to first recover the predominant genin, then the less-predominant genin.
Preferred source materials are crude 5-25% sapogenin content acid hydrolyzates of Agave leaf juice. Specifically preferred is the acid hydrolyzate from fresh Agave leaf juice obtained prior to decortication.

REFERENCES:
patent: 2991282 (1961-07-01), Rubin
patent: 3172884 (1965-03-01), Lewin et al.
patent: 3303187 (1967-02-01), Rubin

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