[8-epi-Valerosidate, a new iridoid glucoside from Penstemon serrulatus.].
From leaves of Penstemon serrulatus Menz. a new esteriridoid has been isolated. The structure was established by spectroscopic methods (IR, MS, (13)C-NMR) and mainly (1)H-NMR-spectroscopy as 8-epivalerosidate.
Junior
P
P
Institut für Pharmazeutische Biologie der Philipps-Universität Marburg, Bundesrepublik Deutschland.