Neoclerodane diterpenoids from Teucrium massiliense

A reinvestigation of the diterpene metabolites of Teucrium massiliense L. allowed the isolation of four new neoclerodane derivatives, teumassilenins A-D, together with all the diterpenoids previously reported as constituents of this plant. The structures of the new compounds (1-4) were established b...

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Bibliographic Details
Published in:Journal of natural products (Washington, D.C.) D.C.), 1998-10, Vol.61 (10), p.1242-1247
Main Authors: Fontana, G. (Universita di Palermo, Palermo, Italy.), Paternostro, M.P, Savona, G, Rodriguez, B, Torre, M.C. de la
Format: Article
Language:English
Subjects:
Biological and medical sciences
BIOSYNTHESIS
CHEMICAL COMPOSITION
CHEMICAL STRUCTURE
DITERPENOIDS
General pharmacology
ITALY
Medical sciences
METABOLITES
Pharmacognosy. Homeopathy. Health food
Pharmacology. Drug treatments
SPECTRAL ANALYSIS
SPECTROMETRY
TEUCRIUM
TEUMASSILENINS
TEUMASSIN
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Summary:A reinvestigation of the diterpene metabolites of Teucrium massiliense L. allowed the isolation of four new neoclerodane derivatives, teumassilenins A-D, together with all the diterpenoids previously reported as constituents of this plant. The structures of the new compounds (1-4) were established by chemical and spectroscopic means. A plausible biogenetic relationship between several of these substances is briefly discussed, and some unpublished physical and spectroscopic data of the previously known diterpenoid teumassin (5) are now reported.
ISSN:0163-3864
1520-6025
DOI:10.1021/np980137r