Process for the preparation of N-10 alpha-methoxyl-lumilysergol

Details Process for the preparation of N-10 alpha-methoxyl-lumilysergol Process for the preparation of N-10 alpha-methoxyl-lumilysergol

1985-03-26

1990-12-25

Shen, Cecilia

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546 69, 20415764, 20415771, C07D45702

Patent

active

049804758

ABSTRACT:
Processes for the preparation of esters of N.sub.1 -methyl-10.alpha.-methoxylumilysergol are described, in which lysergol esters are subjected to N-methylation and subsequently to photochemical reaction with methanol/H.sub.2 SO.sub.4. The esters of N.sub.1 -methyl-10-methoxylumilysergol obtained in this way can then be saponified or converted directly into other esters.

REFERENCES:
patent: 3228943 (1966-01-01), Bernardi et al.
patent: 3647655 (1972-03-01), Bernardi et al.
patent: 3704233 (1972-11-01), Eich et al.
patent: 3879554 (1975-04-01), Temperilli et al.
patent: 4232157 (1980-11-01), Enrico et al.
Barbieri et al., "Ergoline Derivatives-IX. . . . ,"Tetrahedron 25, (1969), 2401-2405.
Bernardi, Ergoline Derivatives, Chem. Abst. 84:44500b (1975).

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