Patents Assigned to I d B Holding S.P.A.
  • Patent number: 4980475
    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.
    Type: Grant
    Filed: March 26, 1985
    Date of Patent: December 25, 1990
    Assignee: I d B Holding S.P.A.
    Inventors: Ezio Bombardelli, Giuseppe Mustich