Process for the preparation of ergot alkaloids

Process for the preparation of ergot alkaloids

Ergot alkaloids of the formula I are prepared by epimerisation of the corresponding C-8 epimers. The reaction is carried out in the presence of acid, an organic solvent and water. The compounds of the formula I are obtained as salts.

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Bibliographische Detailangaben
Hauptverfasser: TERDY, LASZLO, TROMPLER, ARPAD, FOELDESI, ZSUZSANNA (-SZASZ), GAZDAG, MARIA, KASSAI, ANNA (-CZIGER), KISS, JANOS, ZAMBO, ISTVAN, DANCSI, LAJOS
Format: Patent
Sprache:eng ; ger
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:Ergot alkaloids of the formula I are prepared by epimerisation of the corresponding C-8 epimers. The reaction is carried out in the presence of acid, an organic solvent and water. The compounds of the formula I are obtained as salts.