1.0 2010-04-08 22:11:17 UTC 2025-11-19 00:46:41 UTC FDB014461 Dukunolide E Constituent of Lansium domesticum (langsat). Dukunolide E is found in fruits. Dukunolide E C26H28O9 484.4951 484.173332494 15-(furan-3-yl)-3,11-dihydroxy-5,5,10,16-tetramethyl-9,14,20-trioxahexacyclo[10.8.1.0¹,¹⁹.0³,¹¹.0⁶,¹⁰.0¹⁶,²¹]henicos-12(21)-ene-4,8,13-trione 15-(furan-3-yl)-3,11-dihydroxy-5,5,10,16-tetramethyl-9,14,20-trioxahexacyclo[10.8.1.0¹,¹⁹.0³,¹¹.0⁶,¹⁰.0¹⁶,²¹]henicos-12(21)-ene-4,8,13-trione 101559-97-1 CC12OC(=O)CC1C(C)(C)C(=O)C1(O)CC34OC3CCC3(C)C(OC(=O)C(=C43)C21O)C1=COC=C1 InChI=1S/C26H28O9/c1-21(2)13-9-15(27)35-23(13,4)26(31)16-17-22(3,18(33-19(16)28)12-6-8-32-10-12)7-5-14-24(17,34-14)11-25(26,30)20(21)29/h6,8,10,13-14,18,30-31H,5,7,9,11H2,1-4H3 HQKQACOUFFEUAD-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 Cyclic alcohols and derivatives Dialkyl ethers Dicarboxylic acids and derivatives Dihydropyranones Enoate esters Epoxides Furans Gamma butyrolactones Heteroaromatic compounds Hydrocarbon derivatives Ketones Naphthalenes Naphthofurans Organic oxides Oxacyclic compounds Oxepanes Tertiary alcohols Tetrahydrofurans 1,2-diol Alcohol Alpha,beta-unsaturated carboxylic ester Aromatic heteropolycyclic compound Carbonyl group Carboxylic acid derivative Carboxylic acid ester Cyclic alcohol Dialkyl ether Dicarboxylic acid or derivatives Dihydropyranone Enoate ester Ether Furan Gamma butyrolactone Heteroaromatic compound Hydrocarbon derivative Ketone Lactone Naphthalene Naphthofuran Naphthopyran Organic oxide Organic oxygen compound Organooxygen compound Oxacycle Oxepane Oxirane Pyran Tertiary alcohol Tetrahydrofuran logp 1.67 ALOGPS logs -3.12 ALOGPS solubility 3.66e-01 g/l ALOGPS melting_point Mp 270-272° logp 1.46 ChemAxon pka_strongest_acidic 11.38 ChemAxon pka_strongest_basic -3.2 ChemAxon iupac 15-(furan-3-yl)-3,11-dihydroxy-5,5,10,16-tetramethyl-9,14,20-trioxahexacyclo[10.8.1.0¹,¹⁹.0³,¹¹.0⁶,¹⁰.0¹⁶,²¹]henicos-12(21)-ene-4,8,13-trione ChemAxon average_mass 484.4951 ChemAxon mono_mass 484.173332494 ChemAxon smiles CC12OC(=O)CC1C(C)(C)C(=O)C1(O)CC34OC3CCC3(C)C(OC(=O)C(=C43)C21O)C1=COC=C1 ChemAxon formula C26H28O9 ChemAxon inchi InChI=1S/C26H28O9/c1-21(2)13-9-15(27)35-23(13,4)26(31)16-17-22(3,18(33-19(16)28)12-6-8-32-10-12)7-5-14-24(17,34-14)11-25(26,30)20(21)29/h6,8,10,13-14,18,30-31H,5,7,9,11H2,1-4H3 ChemAxon inchikey HQKQACOUFFEUAD-UHFFFAOYSA-N ChemAxon polar_surface_area 135.8 ChemAxon refractivity 116.65 ChemAxon polarizability 47.6 ChemAxon rotatable_bond_count 1 ChemAxon acceptor_count 6 ChemAxon donor_count 2 ChemAxon physiological_charge 0 ChemAxon formal_charge 0 ChemAxon Specdb::CMs 12680 Specdb::CMs 44533 Specdb::CMs 136672 Specdb::CMs 144406 Specdb::CMs 163360 Specdb::CMs 163362 Specdb::CMs 163364 Specdb::CMs 280456 Specdb::MsMs 60381 Specdb::MsMs 60382 Specdb::MsMs 60383 Specdb::MsMs 116694 Specdb::MsMs 116695 Specdb::MsMs 116696 Specdb::MsMs 3049493 Specdb::MsMs 3049494 Specdb::MsMs 3049495 Specdb::MsMs 3117599 Specdb::MsMs 3117600 Specdb::MsMs 3117601 HMDB0035733 Fruits Unknown generic