<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2010-04-08 22:06:05 UTC</creation_date>
  <update_date>2025-11-18 22:55:12 UTC</update_date>
  <accession>FDB004104</accession>
  <name>Germacranolide</name>
  <description>Germacranolides are a group of sesquiterpene lactones. Germacranolide is found in burdock and dandelion.</description>
  <synonyms>
  </synonyms>
  <chemical_formula>C15H22O2</chemical_formula>
  <average_molecular_weight>234.339</average_molecular_weight>
  <monisotopic_moleculate_weight>234.161979948</monisotopic_moleculate_weight>
  <iupac_name>3,6,10-trimethyl-2H,3H,3aH,4H,7H,8H,11H,11aH-cyclodeca[b]furan-2-one</iupac_name>
  <traditional_iupac>3,6,10-trimethyl-3H,3aH,4H,7H,8H,11H,11aH-cyclodeca[b]furan-2-one</traditional_iupac>
  <cas_registry_number/>
  <smiles>[H]\C1=C(C)/CC2OC(=O)C(C)C2C\C([H])=C(C)\CC1</smiles>
  <inchi>InChI=1S/C15H22O2/c1-10-5-4-6-11(2)9-14-13(8-7-10)12(3)15(16)17-14/h6-7,12-14H,4-5,8-9H2,1-3H3/b10-7+,11-6+</inchi>
  <inchikey>QJRFOUJEGHRZIU-NXAIOARDSA-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>Carbonyl compounds</alternative_parent>
      <alternative_parent>Carboxylic acid esters</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>Gamma butyrolactone</substituent>
      <substituent>Germacrane sesquiterpenoid</substituent>
      <substituent>Germacranolide</substituent>
      <substituent>Hydrocarbon derivative</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>4.23</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-3.38</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>solubility</kind>
      <value>9.68e-02 g/l</value>
      <source>ALOGPS</source>
    </property>
  </predicted_properties>
  <experimental_properties>
  </experimental_properties>
  <property>
    <kind>logp</kind>
    <value>3.52</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_basic</kind>
    <value>-7.1</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>iupac</kind>
    <value>3,6,10-trimethyl-2H,3H,3aH,4H,7H,8H,11H,11aH-cyclodeca[b]furan-2-one</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>average_mass</kind>
    <value>234.339</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>mono_mass</kind>
    <value>234.161979948</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>smiles</kind>
    <value>[H]\C1=C(C)/CC2OC(=O)C(C)C2C\C([H])=C(C)\CC1</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>formula</kind>
    <value>C15H22O2</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchi</kind>
    <value>InChI=1S/C15H22O2/c1-10-5-4-6-11(2)9-14-13(8-7-10)12(3)15(16)17-14/h6-7,12-14H,4-5,8-9H2,1-3H3/b10-7+,11-6+</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchikey</kind>
    <value>QJRFOUJEGHRZIU-NXAIOARDSA-N</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polar_surface_area</kind>
    <value>26.3</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>refractivity</kind>
    <value>70.3</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polarizability</kind>
    <value>26.86</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>rotatable_bond_count</kind>
    <value>0</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>acceptor_count</kind>
    <value>1</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::MsMs</type>
      <spectrum_id>61257</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>61258</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>61259</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>117747</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>117748</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>117749</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3599960</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3599961</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3599962</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3599963</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3599964</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3599965</spectrum_id>
    </spectrum>
  </spectra>
  <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>Burdock</name>
      <food_type>Type 1</food_type>
      <category>specific</category>
      <name_scientific>Arctium lappa</name_scientific>
      <ncbi_taxonomy_id>4217</ncbi_taxonomy_id>
    </food>
    <food>
      <name>Dandelion</name>
      <food_type>Type 1</food_type>
      <category>specific</category>
      <name_scientific>Taraxacum officinale</name_scientific>
      <ncbi_taxonomy_id>50225</ncbi_taxonomy_id>
    </food>
  </foods>
  <flavors>
  </flavors>
  <enzymes>
  </enzymes>
  <health_effects>
  </health_effects>
</compound>
