Process for the preparation of N-10 alpha-methoxyl-lumilysergol and esters, thereof, and intermediates for their preparation
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United States of America Patent
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Dec 25, 1990
Grant Date -
N/A
app pub date -
Mar 26, 1985
filing date -
Mar 27, 1984
priority date (Note) -
Expired
status (Latency Note)
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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.
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