title: A Pair of New Polyketide Enantiomers from Three Endolichenic Fungal Strains Nigrospora sphaerica, Alternaria alternata, and Phialophora sp.
abstract: A pair of new enantiomeric polyketides, (-)- and (+)-nigrosporaol A (1a and 1b), along with one related known compound, (+)-alternarienoic acid (2), were isolated from three endolichenic fungal strains, Nigrospora sphaerica (No.83-1-1-2), Alternaria alternata (No.58-8-4-1), and Phialophora sp.(No.96-1-8-1). Their structures, including the absolute configurations, were elucidated on the basis of spectroscopic methods, X-ray diffraction analysis, and the modified Mosher's method.
authors.forename: Jun-Wei
authors.initials: JW
authors.lastname: He
authors.forename: Chuan-Xi
authors.initials: CX
authors.lastname: Wang
authors.forename: Li
authors.initials: L
authors.lastname: Yang
authors.forename: Guo-Dong
authors.initials: GD
authors.lastname: Chen
authors.forename: Dan
authors.initials: D
authors.lastname: Hu
authors.forename: Liang-Dong
authors.initials: LD
authors.lastname: Guo
authors.forename: Xin-Sheng
authors.initials: XS
authors.lastname: Yao
authors.forename: Hao
authors.initials: H
authors.lastname: Gao
mesh_terms: D000528:Alternaria / Q000737:chemistry*; D001203:Ascomycota / Q000737:chemistry*; D015394:Molecular Structure; D010676:Phialophora / Q000737:chemistry*; D061065:Polyketides / Q000737:chemistry*; D013237:Stereoisomerism
chemical_list: D061065:Polyketides