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pubmed:abstractText |
A new iridoid glucoside dimer, coelobillardin (1), was isolated from the aerial parts of Coelospermum billardieri. Its structure has been elucidated on the basis of MS and NMR data. From a biogenetic point of view, this compound, which includes a cyclobutane basic core, should be considered as a [2+2] dimerization product of (E)-10-(4-hydroxycinnamoyloxy)loganin, which is the major iridoid isolated from the plant.
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pubmed:affiliation |
Laboratory of Pharmacognosy, Department of Pharmacy, University of Athens, Panepistimiopolis Zografou, GR-15771 Athens, Greece.
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