title: bis-Sigmodiol: a new prenylflavanone dimer from Erythrina sigmoidea Hua (Fabaceae) of Nigeria.
abstract: A new prenylflavanone dimer named bis-sigmodiol was isolated from Erythrina sigmoidea, along with six known constituents isobavachin, lupiwighteone, orientanol A, ergosta-4, 6, 8 (14), 22-tetraen-3-one, lupenyl acetate, and p-hydroxybenzoic acid. These known constituents have not been reported so far from E. sigmoidea. Their structures were elucidated by spectroscopic methods.
authors.affiliation: H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan. shaiq303@hotmail.com
authors.forename: Muhammad Shaiq
authors.initials: MS
authors.lastname: Ali
authors.forename: Muhammad Imran
authors.initials: MI
authors.lastname: Ali
authors.forename: Patricia A
authors.initials: PA
authors.lastname: Onocha
authors.forename: Zeeshan
authors.initials: Z
authors.lastname: Ahmed
mesh_terms: D004895:Erythrina / Q000737:chemistry*; D005419:Flavonoids / Q000737:chemistry / Q000302:isolation & purification*; D015394:Molecular Structure; D009549:Nigeria; D019906:Nuclear Magnetic Resonance, Biomolecular; D024301:Plant Bark / Q000737:chemistry; D018547:Plant Stems / Q000737:chemistry
chemical_list: D005419:Flavonoids; C556175:bis-sigmodiol; C468753:isobavachin