1.0 2010-04-08 22:10:56 UTC 2025-11-19 00:37:04 UTC FDB013850 Dukunolide C From Lansium domesticum (langsat). Dukunolide C is found in fruits. (+)-Dukunolide C Dukunolide C C28H28O11 540.5153 540.163161738 18-(furan-3-yl)-2,11-dihydroxy-3,9,9,17-tetramethyl-5,10,20-trioxo-4,7,19-trioxahexacyclo[11.7.1.0²,¹¹.0³,⁸.0⁶,⁸.0¹⁷,²¹]henicosa-1(21),13-dien-12-yl acetate 18-(furan-3-yl)-2,11-dihydroxy-3,9,9,17-tetramethyl-5,10,20-trioxo-4,7,19-trioxahexacyclo[11.7.1.0²,¹¹.0³,⁸.0⁶,⁸.0¹⁷,²¹]henicosa-1(21),13-dien-12-yl acetate 99343-74-5 CC(=O)OC1C2=CCCC3(C)C(OC(=O)C(=C23)C2(O)C3(C)OC(=O)C4OC34C(C)(C)C(=O)C12O)C1=COC=C1 InChI=1S/C28H28O11/c1-12(29)36-18-14-7-6-9-24(4)15(14)16(20(30)37-17(24)13-8-10-35-11-13)27(34)25(5)28(19(38-28)21(31)39-25)23(2,3)22(32)26(18,27)33/h7-8,10-11,17-19,33-34H,6,9H2,1-5H3 HOJFTRARYIFTJU-UHFFFAOYSA-N belongs to the class of organic compounds known as naphthopyrans. Naphthopyrans are compounds containing a pyran ring fused to a naphthalene moiety. Furan is a 6 membered-ring non-aromatic ring with five carbon and one oxygen atoms. Naphthalene is a polycyclic aromatic hydrocarbon made up of two fused benzene rings. Naphthopyrans Organic compounds Organoheterocyclic compounds Naphthopyrans Aromatic heteropolycyclic compounds 1,2-diols 1,4-dioxanes Cyclic alcohols and derivatives Dialkyl ethers Dihydropyranones Enoate esters Epoxides Furans Gamma butyrolactones Heteroaromatic compounds Hydrocarbon derivatives Ketones Naphthalenes Naphthofurans Organic oxides Oxacyclic compounds Tertiary alcohols Tetrahydrofurans Tricarboxylic acids and derivatives 1,2-diol Alcohol Alpha,beta-unsaturated carboxylic ester Aromatic heteropolycyclic compound Carbonyl group Carboxylic acid derivative Carboxylic acid ester Cyclic alcohol Dialkyl ether Dihydropyranone Enoate ester Ether Furan Gamma butyrolactone Heteroaromatic compound Hydrocarbon derivative Ketone Lactone Naphthalene Naphthofuran Naphthopyran Organic oxide Organic oxygen compound Organooxygen compound Oxacycle Oxirane Para-dioxane Pyran Tertiary alcohol Tetrahydrofuran Tricarboxylic acid or derivatives logp 2.11 ALOGPS logs -3.24 ALOGPS solubility 3.11e-01 g/l ALOGPS melting_point Mp 217-218° logp 1.4 ChemAxon pka_strongest_acidic 10.75 ChemAxon pka_strongest_basic -3.2 ChemAxon iupac 18-(furan-3-yl)-2,11-dihydroxy-3,9,9,17-tetramethyl-5,10,20-trioxo-4,7,19-trioxahexacyclo[11.7.1.0²,¹¹.0³,⁸.0⁶,⁸.0¹⁷,²¹]henicosa-1(21),13-dien-12-yl acetate ChemAxon average_mass 540.5153 ChemAxon mono_mass 540.163161738 ChemAxon smiles CC(=O)OC1C2=CCCC3(C)C(OC(=O)C(=C23)C2(O)C3(C)OC(=O)C4OC34C(C)(C)C(=O)C12O)C1=COC=C1 ChemAxon formula C28H28O11 ChemAxon inchi InChI=1S/C28H28O11/c1-12(29)36-18-14-7-6-9-24(4)15(14)16(20(30)37-17(24)13-8-10-35-11-13)27(34)25(5)28(19(38-28)21(31)39-25)23(2,3)22(32)26(18,27)33/h7-8,10-11,17-19,33-34H,6,9H2,1-5H3 ChemAxon inchikey HOJFTRARYIFTJU-UHFFFAOYSA-N ChemAxon polar_surface_area 162.1 ChemAxon refractivity 127.49 ChemAxon polarizability 51.9 ChemAxon rotatable_bond_count 3 ChemAxon acceptor_count 7 ChemAxon donor_count 2 ChemAxon physiological_charge 0 ChemAxon formal_charge 0 ChemAxon Specdb::CMs 25761 Specdb::CMs 44250 Specdb::CMs 264561 Specdb::CMs 264562 Specdb::CMs 264563 Specdb::CMs 264564 Specdb::CMs 264565 Specdb::CMs 281334 Specdb::MsMs 75519 Specdb::MsMs 75520 Specdb::MsMs 75521 Specdb::MsMs 135171 Specdb::MsMs 135172 Specdb::MsMs 135173 Specdb::MsMs 2346275 Specdb::MsMs 2346276 Specdb::MsMs 2346277 Specdb::MsMs 2592781 Specdb::MsMs 2592782 Specdb::MsMs 2592783 HMDB35204 #<Reference:0x000055ce32feae88> Fruits Unknown generic