title: New neolignans and lignans from Vietnamese medicinal plant Machilus odoratissima NEES.
abstract: Four new natural neolignans and lignans, which were given the trivial names odoratisols A-D (1-4), together with (-)-licarin A, kachirachirol B, obovatifol, and machilin-I were isolated from the air-dried bark of the Vietnamese medicinal plant Machilius odoratissima NEES (Lauraceae). Their absolute structures were determined on the basis of spectroscopic analyses including circular dichroism spectra.
authors.affiliation: Faculty of Chemistry, College of Natural Science, Vietnam National University, Hanoi.
authors.forename: Minh Giang
authors.initials: MG
authors.lastname: Phan
authors.forename: Tong Son
authors.initials: TS
authors.lastname: Phan
authors.forename: Katsuyoshi
authors.initials: K
authors.lastname: Matsunami
authors.forename: Hideaki
authors.initials: H
authors.lastname: Otsuka
mesh_terms: D002855:Chromatography, Thin Layer; D002942:Circular Dichroism; D019770:Lauraceae / Q000737:chemistry*; D017705:Lignans / Q000737:chemistry / Q000494:pharmacology*; D009682:Magnetic Resonance Spectroscopy; D008968:Molecular Conformation; D024301:Plant Bark / Q000737:chemistry; D016339:Spectrometry, Mass, Fast Atom Bombardment; D013055:Spectrophotometry, Infrared; D014744:Vietnam
chemical_list: D017705:Lignans