Hydrogenation of iridoid glucosides with exocyclic double bond.
Catalytic hydrogenation of two iridoids of unusual type with an exocyclic double bond, namely serrulatoloside and gardoside methyl ester, over PtO (2) catalyst to give 10-desoxypatrinoside and 8-epiloganin, respectively, is described.
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Institut für Pharmazeutische Biologie der Philipps-Universität Marburg, Deutschhausstraße 17S, D-3550 Marburg/Lahn, Bundesrepublik Deutschland.