biostudies-literatureUnknown65(Pt 3)Zukerman-Schpector JThe title meroterpene neoaustin {systematic name: (1'S,2'R,3S,7'R,9'S,11'S,12'R)-11'-hydr-oxy-2,2,2',9',12'-penta-methyl-6',15'-dimethyl-ene-2,6-dihydro-13'-oxaspiro-[pyran-3,5'-tetra-cyclo-[7.5.1.0(1,11).0(2,7)]penta-deca-ne]-6,10',14'-trione}, C(25)H(30)O(6), comprises five rings, three six-membered and two five-membered. The absolute configuration was established based on [α(D)] = +166.91° (c 1.21, CH(2)Cl(2)). In the crystal, the mol-ecules are connected into a supra-molecular helical chain via O-H⋯O hydrogen bonds reinforced by C-H⋯O contacts.Acta crystallographica. Section E, Structure reports onlineo612https://www.ebi.ac.uk/biostudies/studies/S-EPMC2968484biostudies-literatureNeoaustin: a meroterpene produced by Penicillium sp.PMC2968484Caracelli IZukerman-Schpector JRodrigues-Fo EMaganhi SHFill TPfalseNeoaustin: a meroterpene produced by Penicillium sp.The title meroterpene neoaustin {systematic name: (1'S,2'R,3S,7'R,9'S,11'S,12'R)-11'-hydr-oxy-2,2,2',9',12'-penta-methyl-6',15'-dimethyl-ene-2,6-dihydro-13'-oxaspiro-[pyran-3,5'-tetra-cyclo-[7.5.1.0(1,11).0(2,7)]penta-deca-ne]-6,10',14'-trione}, C(25)H(30)O(6), comprises five rings, three six-membered and two five-membered. The absolute configuration was established based on [α(D)] = +166.91° (c 1.21, CH(2)Cl(2)). In the crystal, the mol-ecules are connected into a supra-molecular helical chain via O-H⋯O hydrogen bonds reinforced by C-H⋯O contacts.2009-01-01T00:00:00Z2009 Feb2025-04-04T19:42:35.584Z2019-03-27T00:00:52ZS-EPMC29684842158226410.1107/S1600536809006618