title: 2'-O-(8-Hydroxy-2,6-dimethyl-2(E),6(E)-octadienoyl)-dihydropenstemide, a new iridoid glycoside from Penstemon confertus.
abstract: A new iridoid glycoside, 2'- O-(8-hydroxy-2,6-dimethyl-2( E),6( E)-octadienoyl)-dihydropenstemide, has been isolated from PENSTEMON CONFERTUS Dougl. Its structure was elucidated by FD-mass, (1)H-NMR, and (13)C-NMR spectroscopy.
authors.affiliation: Institut für Pharmazeutische Biologie, Philipps-Universität, Deutschhausstrasse, Marburg, Federal Republic of Germany.
authors.forename: B
authors.initials: B
authors.lastname: Gering-Ward