title: New axane and oppositane sesquiterpenes from Teclea nobilis.
abstract: Two new isomeric axane and oppositane sesquiterpene derivatives, named teclenone A (1) and teclenone B (2), were isolated from the aerial parts of Teclea nobilis. Their structures have been established on the basis of (1)H and (13)C NMR spectral data, notably 2D NMR (1)H-(1)H COSY, (1)H-(13)C HMQC, (1)H-(13)C HMBC, and (1)H-(1)H NOESY experiments. This appears to be the first report of the rare axane and oppositane sesquiterpenes from the plant family Rutaceae.
mesh_terms: D008968:Molecular Conformation; D015394:Molecular Structure; D019906:Nuclear Magnetic Resonance, Biomolecular; D010946:Plants, Medicinal / Q000737:chemistry*; D019038:Platelet Glycoprotein GPIb-IX Complex; D010980:Platelet Membrane Glycoproteins; D027821:Rutaceae / Q000737:chemistry*; D012529:Saudi Arabia; D012717:Sesquiterpenes / Q000737:chemistry / Q000302:isolation & purification*; D021241:Spectrometry, Mass, Electrospray Ionization; D013237:Stereoisomerism
chemical_list: D019038:Platelet Glycoprotein GPIb-IX Complex; D010980:Platelet Membrane Glycoproteins; D012717:Sesquiterpenes; C032193:glycoprotein receptor GPIb-IX; C470531:teclenone A