1.0 2010-04-08 22:13:42 UTC 2025-11-19 02:11:18 UTC FDB018410 Kamahine C Found in honey from Kamali (Weinmannia racemosa) C14H20O5 268.3056 268.13107375 5,5'-dihydroxy-4,4',8,8-tetramethyl-7-oxaspiro[bicyclo[3.2.1]octane-6,2'-oxolan]-3-en-2-one 5,5'-dihydroxy-4,4',8,8-tetramethyl-7-oxaspiro[bicyclo[3.2.1]octane-6,2'-oxolan]-3-en-2-one 144841-11-2 CC1CC2(OC1O)OC1C(=O)C=C(C)C2(O)C1(C)C InChI=1S/C14H20O5/c1-7-6-13(19-11(7)16)14(17)8(2)5-9(15)10(18-13)12(14,3)4/h5,7,10-11,16-17H,6H2,1-4H3 NKEIHMMKFOXWAO-UHFFFAOYSA-N belongs to the class of organic compounds known as ketals. These are acetals derived from ketones by replacement of the oxo group by two hydrocarbyloxy groups R2C(OR)2 ( R not Hydrogen ). This term, once abandoned, has been reinstated as a subclass of acetals. Ketals Organic compounds Organic oxygen compounds Organooxygen compounds Ethers Aliphatic heteropolycyclic compounds Cyclohexenones Hemiacetals Hydrocarbon derivatives Organic oxides Oxacyclic compounds Tertiary alcohols Tetrahydrofurans Alcohol Aliphatic heteropolycyclic compound Carbonyl group Cyclohexenone Hemiacetal Hydrocarbon derivative Ketal Ketone Organic oxide Organoheterocyclic compound Oxacycle Tertiary alcohol Tetrahydrofuran logp 0.40 ALOGPS logs -1.36 ALOGPS solubility 1.18e+01 g/l ALOGPS melting_point Mp 152-154° (Ac) logp 1.5 ChemAxon pka_strongest_acidic 11.77 ChemAxon pka_strongest_basic -4.1 ChemAxon iupac 5,5'-dihydroxy-4,4',8,8-tetramethyl-7-oxaspiro[bicyclo[3.2.1]octane-6,2'-oxolan]-3-en-2-one ChemAxon average_mass 268.3056 ChemAxon mono_mass 268.13107375 ChemAxon smiles CC1CC2(OC1O)OC1C(=O)C=C(C)C2(O)C1(C)C ChemAxon formula C14H20O5 ChemAxon inchi InChI=1S/C14H20O5/c1-7-6-13(19-11(7)16)14(17)8(2)5-9(15)10(18-13)12(14,3)4/h5,7,10-11,16-17H,6H2,1-4H3 ChemAxon inchikey NKEIHMMKFOXWAO-UHFFFAOYSA-N ChemAxon polar_surface_area 75.99 ChemAxon refractivity 67.11 ChemAxon polarizability 27.56 ChemAxon rotatable_bond_count 0 ChemAxon acceptor_count 5 ChemAxon donor_count 2 ChemAxon physiological_charge 0 ChemAxon formal_charge 0 ChemAxon Specdb::CMs 25133 Specdb::CMs 46158 Specdb::CMs 136659 Specdb::CMs 144393 Specdb::MsMs 8459 Specdb::MsMs 8460 Specdb::MsMs 8461 Specdb::MsMs 15131 Specdb::MsMs 15132 Specdb::MsMs 15133 Specdb::MsMs 2767283 Specdb::MsMs 2767284 Specdb::MsMs 2767285 Specdb::MsMs 2910731 Specdb::MsMs 2910732 Specdb::MsMs 2910733 Specdb::NmrOneD 30142 Specdb::NmrOneD 30143 Specdb::NmrOneD 30144 Specdb::NmrOneD 30145 Specdb::NmrOneD 30146 Specdb::NmrOneD 30147 Specdb::NmrOneD 30148 Specdb::NmrOneD 30149 Specdb::NmrOneD 30150 Specdb::NmrOneD 30151 Specdb::NmrOneD 30152 Specdb::NmrOneD 30153 Specdb::NmrOneD 30154 Specdb::NmrOneD 30155 Specdb::NmrOneD 30156 Specdb::NmrOneD 30157 Specdb::NmrOneD 30158 Specdb::NmrOneD 30159 Specdb::NmrOneD 30160 Specdb::NmrOneD 30161 HMDB0038935