<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2010-04-08 22:11:56 UTC</creation_date>
  <update_date>2025-11-19 00:56:28 UTC</update_date>
  <accession>FDB015591</accession>
  <name>Ketopelenolide a</name>
  <description>From Artemisia absinthium (wormwood). Ketopelenolide a is found in alcoholic beverages and herbs and spices.</description>
  <synonyms>
    <synonym>3-Oxo-1(10)-germacren-12,6-olide</synonym>
    <synonym>Ketopelenolid-a</synonym>
    <synonym>Ketopelenolide a</synonym>
    <synonym>Oxopelenolide a</synonym>
  </synonyms>
  <chemical_formula>C15H22O3</chemical_formula>
  <average_molecular_weight>250.3334</average_molecular_weight>
  <monisotopic_moleculate_weight>250.15689457</monisotopic_moleculate_weight>
  <iupac_name>3,6,10-trimethyl-2H,3H,3aH,4H,5H,8H,9H,10H,11H,11aH-cyclodeca[b]furan-2,9-dione</iupac_name>
  <traditional_iupac>3,6,10-trimethyl-3H,3aH,4H,5H,8H,10H,11H,11aH-cyclodeca[b]furan-2,9-dione</traditional_iupac>
  <cas_registry_number>17909-92-1</cas_registry_number>
  <smiles>CC1C2CC\C(C)=C/CC(=O)C(C)CC2OC1=O</smiles>
  <inchi>InChI=1S/C15H22O3/c1-9-4-6-12-11(3)15(17)18-14(12)8-10(2)13(16)7-5-9/h5,10-12,14H,4,6-8H2,1-3H3/b9-5-</inchi>
  <inchikey>KLZWSNKEPLKAOS-UITAMQMPSA-N</inchikey>
  <taxonomy>
    <description> belongs to the class of organic compounds known as germacranolides and derivatives. These are sesquiterpene lactones with a structure based on the germacranolide skeleton, characterized by a gamma lactone fused to a 1,7-dimethylcyclodec-1-ene moiety.</description>
    <direct_parent>Germacranolides and derivatives</direct_parent>
    <kingdom>Organic compounds</kingdom>
    <super_class>Lipids and lipid-like molecules</super_class>
    <class>Prenol lipids</class>
    <sub_class>Terpene lactones</sub_class>
    <molecular_framework>Aliphatic heteropolycyclic compounds</molecular_framework>
    <alternative_parents>
      <alternative_parent>Carboxylic acid esters</alternative_parent>
      <alternative_parent>Cyclic ketones</alternative_parent>
      <alternative_parent>Gamma butyrolactones</alternative_parent>
      <alternative_parent>Germacrane sesquiterpenoids</alternative_parent>
      <alternative_parent>Hydrocarbon derivatives</alternative_parent>
      <alternative_parent>Monocarboxylic acids and derivatives</alternative_parent>
      <alternative_parent>Organic oxides</alternative_parent>
      <alternative_parent>Oxacyclic compounds</alternative_parent>
      <alternative_parent>Tetrahydrofurans</alternative_parent>
    </alternative_parents>
    <substituents>
      <substituent>Aliphatic heteropolycyclic compound</substituent>
      <substituent>Carbonyl group</substituent>
      <substituent>Carboxylic acid derivative</substituent>
      <substituent>Carboxylic acid ester</substituent>
      <substituent>Cyclic ketone</substituent>
      <substituent>Gamma butyrolactone</substituent>
      <substituent>Germacrane sesquiterpenoid</substituent>
      <substituent>Germacranolide</substituent>
      <substituent>Hydrocarbon derivative</substituent>
      <substituent>Ketone</substituent>
      <substituent>Lactone</substituent>
      <substituent>Monocarboxylic acid or derivatives</substituent>
      <substituent>Organic oxide</substituent>
      <substituent>Organic oxygen compound</substituent>
      <substituent>Organoheterocyclic compound</substituent>
      <substituent>Organooxygen compound</substituent>
      <substituent>Oxacycle</substituent>
      <substituent>Sesquiterpenoid</substituent>
      <substituent>Tetrahydrofuran</substituent>
    </substituents>
    <external_descriptors>
    </external_descriptors>
  </taxonomy>
  <state/>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>2.69</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-2.97</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>solubility</kind>
      <value>2.70e-01 g/l</value>
      <source>ALOGPS</source>
    </property>
  </predicted_properties>
  <experimental_properties>
    <property>
      <kind>melting_point</kind>
      <value>Mp 114°</value>
    </property>
  </experimental_properties>
  <property>
    <kind>logp</kind>
    <value>3</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_acidic</kind>
    <value>16.15</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_basic</kind>
    <value>-6.9</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>iupac</kind>
    <value>3,6,10-trimethyl-2H,3H,3aH,4H,5H,8H,9H,10H,11H,11aH-cyclodeca[b]furan-2,9-dione</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>average_mass</kind>
    <value>250.3334</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>mono_mass</kind>
    <value>250.15689457</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>smiles</kind>
    <value>CC1C2CC\C(C)=C/CC(=O)C(C)CC2OC1=O</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>formula</kind>
    <value>C15H22O3</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchi</kind>
    <value>InChI=1S/C15H22O3/c1-9-4-6-12-11(3)15(17)18-14(12)8-10(2)13(16)7-5-9/h5,10-12,14H,4,6-8H2,1-3H3/b9-5-</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchikey</kind>
    <value>KLZWSNKEPLKAOS-UITAMQMPSA-N</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polar_surface_area</kind>
    <value>43.37</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>refractivity</kind>
    <value>70.11</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polarizability</kind>
    <value>27.94</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>rotatable_bond_count</kind>
    <value>0</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>acceptor_count</kind>
    <value>2</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>donor_count</kind>
    <value>0</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>physiological_charge</kind>
    <value>0</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>formal_charge</kind>
    <value>0</value>
    <source>ChemAxon</source>
  </property>
  <pathways>
  </pathways>
  <spectra>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>16725</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>164045</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>83430</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>83431</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>83432</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>145029</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>145030</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>145031</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2789895</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2789896</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2789897</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2919791</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2919792</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2919793</spectrum_id>
    </spectrum>
  </spectra>
  <hmdb_id>HMDB0036664</hmdb_id>
  <pubchem_compound_id/>
  <chemspider_id/>
  <kegg_id/>
  <chebi_id/>
  <biocyc_id/>
  <het_id/>
  <wikipidia/>
  <vmh_id/>
  <fbonto_id/>
  <foodb_id/>
  <general_references>
  </general_references>
  <foods>
    <food>
      <name>Alcoholic beverages</name>
      <food_type>Unknown</food_type>
      <category>generic</category>
      <name_scientific/>
      <ncbi_taxonomy_id/>
    </food>
    <food>
      <name>Herbs and Spices</name>
      <food_type>Unknown</food_type>
      <category>generic</category>
      <name_scientific/>
      <ncbi_taxonomy_id/>
    </food>
  </foods>
  <flavors>
  </flavors>
  <enzymes>
  </enzymes>
  <health_effects>
  </health_effects>
</compound>
