0000000000459377

AUTHOR

Maria R. Torres

showing 2 related works from this author

Dammarane triterpenes of Salvia hierosolymitana

1990

Abstract Salvilymitone and salvilymitol, two new triterpenoids isolated from Salvia hierosolymitana , have been shown to be 7β,25-dihydroxy-(20 S ,24 R )-epoxydammaran-3-one and (20 S ,24 R )-epoxydammaran-3β,7α,25-triol, respectively. The absolute stereochemistry of these triterpenoids has been established by an X-ray diffraction analysis of a 25,26,27-trinor derivative obtained by degradation of both compounds. In addition, four previously known triterpenoids were isolated from the same source.

chemistry.chemical_classificationbiologyStereochemistryDammaranePlant ScienceGeneral MedicineHorticulturebiology.organism_classificationBiochemistrySalvia hierosolymitanaTerpenechemistry.chemical_compoundTriterpenoidchemistryTriterpeneOrganic chemistryMolecular BiologyDerivative (chemistry)Phytochemistry
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Rearranged abietane diterpenoids from the root of teucrium polium subsp. vincentinum

1990

Abstract From the root of Teucrium polium subsp. vincentinum (Labiatae) four new rearranged abietane derivatives, teuvincenones A, B, C, and D (1-4, respectively), have been isolated. Two of these compounds, teuvincenones C (3) and D (4), possess a novel hydrocarbon skeleton which contains a cyclopropane ring constituted by the C-3, C-4, and C-18 carbons of the 17(15→16)-abeo-abietane framework. The structures of these diterpenoids were established mainly by spectroscopic means and, in the case of teuvincenones A (1) and C (3), also confirmed by X-ray diffraction analyses.

chemistry.chemical_compoundfoodChemistryStereochemistryChemical structureOrganic ChemistryDrug DiscoveryDiterpeneBiochemistryTeucrium poliumfood.foodAbietaneCyclopropaneTetrahedron
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