[Dihydropenstemide from Penstemon confertus and the Preparation of epi-Dihydropenstemide from Penstemide.].
From leaves of PENSTEMON CONFERTUS Dougl. a valeriana-type ester iridoid has been isolated and structurally elucidated as dihydropenstemide by spectroscopic methods. Catalytic hydrogenation of penstemide provides a new compound, identified as 8- EPI-dihydropenstemide.
Gering
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Institut für Pharmazeutische Biologie der Philipps-Universität Marburg, Deutschhausstraße 17 1/2, D-3550 Marburg/L, Bundesrepublik Deutschland.
Junior
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Wichtl
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