N-ALKYLATION OF DIHYDROLYSERGIC ACID

N-ALKYLATION OF DIHYDROLYSERGIC ACID

The present invention provides a process for preparingwherein R' is C3-Ce alkyl, -CH2C2-C4 alkenyl, propargyl, C3-C8 cycloalkyl or C1-C6 alkyl substituted C3-C8 cycloalkyl; which comprises: reacting a compound of Formula (II):with a substituted benzenesulfonate of Formula III):wherein R' i...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: MARZONI, GIFFORD PURNELL
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
ORGANIC CHEMISTRY
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
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Beschreibung
Zusammenfassung:The present invention provides a process for preparingwherein R' is C3-Ce alkyl, -CH2C2-C4 alkenyl, propargyl, C3-C8 cycloalkyl or C1-C6 alkyl substituted C3-C8 cycloalkyl; which comprises: reacting a compound of Formula (II):with a substituted benzenesulfonate of Formula III):wherein R' is as defined above and R2 is hydrogen, bromo, methyl or nitro, in the presence of a base.