Process for the isolation of ergot alkaloids from culture suspen

Details Process for the isolation of ergot alkaloids from culture suspen Process for the isolation of ergot alkaloids from culture suspen

1978-12-20

1980-12-02

Lee, Mary C.

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

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

544361, 424123, 546 67, 546 68, 546 69, C07D51902

Patent

active

042372917

ABSTRACT:
A process for isolating ergot alkaloids from culture suspensions, in which after mechanical filtration, the residue is dried in a fluidized drying bed and the alkaloids are extracted with an aprotic organic solvent, reextracted with a weakly acidic aqueous solution which is subsequently made basic, and finally extracted with a water-immiscible organic solvent, from which the alkaloids are isolated in a conventional manner. In certain instances, the culture suspension is stirred with an adsorbent clay to entrain the water-soluble alkaloids.

REFERENCES:
patent: 2809920 (1957-10-01), Stoll et al.
patent: 2835675 (1958-05-01), Abe et al.

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