Secondary metabolites, structure diagram: Trivial name - secalonic acid F

Secondary metabolites, structure diagram: Trivial name - secalonic acid F
Species: A. aculeatus, A. japonicus, A. uvarumSystematic name: [7,7'-Bi-4aH-xanthene]-4a,4'a-dicarboxylic acid, 2,2',3,3',4,4',9,9'-octahydro-1,1',4,4',8,8'-hexahydroxy-3,3'-dimethyl-9,9'-dioxo-, dimethyl ester, (3S,3'S,4R,4'S,4aR,4'aR)-Molecular formulae: C32H30O14Molecular weight: 638.572Chemical abstracts number: 60687-07-2Selected references: Andersen, Raymond; Buechi, George; Kobbe, Brunhilde; Demain, Arnold L. (Dep. Chem., Massachusetts Inst. Technol., Cambridge, Mass., USA). J. Org. Chem., 42(2), 352-3 (English) 1977.Zeng R, Luo S, Shi Y. [Allelopathic effects of secalonic acid F produced by Aspergillus japonicus on Zea mays] Ying Yong Sheng Tai Xue Bao. 2004 Jan;15(1):145-8. Kurobane I, Vining LC, McInnes AG. J Antibiot (Tokyo). 1979 Dec;32(12):1256-66. Biosynthetic relationships among the secalonic acids. Isolation of emodin, endocrocin and secalonic acids from Pyrenochaeta terrestris and Aspergillus aculeatus.