<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2010-04-08 22:15:46 UTC</creation_date>
  <update_date>2025-11-19 02:38:25 UTC</update_date>
  <accession>FDB021534</accession>
  <name>3b,8a-Dihydroxy-6b-methoxy-7(11)-eremophilen-12,8-olide</name>
  <description>Constituent of Petasites japonicus (sweet coltsfoot). 3b,8a-Dihydroxy-6b-methoxy-7(11)-eremophilen-12,8-olide is found in green vegetables.</description>
  <synonyms>
    <synonym>3,8-Dihydroxy-6-methoxy-7(11)-eremophilen-12,8-olide</synonym>
    <synonym>3b,8a-Dihydroxy-6b-methoxy-7(11)-eremophilen-12,8-olide</synonym>
  </synonyms>
  <chemical_formula>C16H24O5</chemical_formula>
  <average_molecular_weight>296.3588</average_molecular_weight>
  <monisotopic_moleculate_weight>296.162373878</monisotopic_moleculate_weight>
  <iupac_name>6,9a-dihydroxy-4-methoxy-3,4a,5-trimethyl-2H,4H,4aH,5H,6H,7H,8H,8aH,9H,9aH-naphtho[2,3-b]furan-2-one</iupac_name>
  <traditional_iupac>6,9a-dihydroxy-4-methoxy-3,4a,5-trimethyl-4H,5H,6H,7H,8H,8aH,9H-naphtho[2,3-b]furan-2-one</traditional_iupac>
  <cas_registry_number/>
  <smiles>COC1C2=C(C)C(=O)OC2(O)CC2CCC(O)C(C)C12C</smiles>
  <inchi>InChI=1S/C16H24O5/c1-8-12-13(20-4)15(3)9(2)11(17)6-5-10(15)7-16(12,19)21-14(8)18/h9-11,13,17,19H,5-7H2,1-4H3</inchi>
  <inchikey>PVRCOBIICILOMH-UHFFFAOYSA-N</inchikey>
  <taxonomy>
    <description> belongs to the class of organic compounds known as terpene lactones. These are prenol lipids containing a lactone ring.</description>
    <direct_parent>Terpene lactones</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>Butenolides</alternative_parent>
      <alternative_parent>Carbonyl compounds</alternative_parent>
      <alternative_parent>Cyclic alcohols and derivatives</alternative_parent>
      <alternative_parent>Dialkyl ethers</alternative_parent>
      <alternative_parent>Enoate esters</alternative_parent>
      <alternative_parent>Eremophilanolides and secoeremophilanolides</alternative_parent>
      <alternative_parent>Hemiacetals</alternative_parent>
      <alternative_parent>Hydrocarbon derivatives</alternative_parent>
      <alternative_parent>Lactones</alternative_parent>
      <alternative_parent>Monocarboxylic acids and derivatives</alternative_parent>
      <alternative_parent>Naphthofurans</alternative_parent>
      <alternative_parent>Organic oxides</alternative_parent>
      <alternative_parent>Oxacyclic compounds</alternative_parent>
      <alternative_parent>Secondary alcohols</alternative_parent>
      <alternative_parent>Sesquiterpenoids</alternative_parent>
    </alternative_parents>
    <substituents>
      <substituent>2-furanone</substituent>
      <substituent>Alcohol</substituent>
      <substituent>Aliphatic heteropolycyclic compound</substituent>
      <substituent>Alpha,beta-unsaturated carboxylic ester</substituent>
      <substituent>Carbonyl group</substituent>
      <substituent>Carboxylic acid derivative</substituent>
      <substituent>Carboxylic acid ester</substituent>
      <substituent>Cyclic alcohol</substituent>
      <substituent>Dialkyl ether</substituent>
      <substituent>Dihydrofuran</substituent>
      <substituent>Enoate ester</substituent>
      <substituent>Eremophilanolide or secoeremophilanolide</substituent>
      <substituent>Ether</substituent>
      <substituent>Hemiacetal</substituent>
      <substituent>Hydrocarbon derivative</substituent>
      <substituent>Lactone</substituent>
      <substituent>Monocarboxylic acid or derivatives</substituent>
      <substituent>Naphthofuran</substituent>
      <substituent>Organic oxide</substituent>
      <substituent>Organic oxygen compound</substituent>
      <substituent>Organoheterocyclic compound</substituent>
      <substituent>Organooxygen compound</substituent>
      <substituent>Oxacycle</substituent>
      <substituent>Secondary alcohol</substituent>
      <substituent>Sesquiterpenoid</substituent>
      <substituent>Terpene lactone</substituent>
    </substituents>
    <external_descriptors>
    </external_descriptors>
  </taxonomy>
  <state/>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>1.02</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-2.11</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>solubility</kind>
      <value>2.30e+00 g/l</value>
      <source>ALOGPS</source>
    </property>
  </predicted_properties>
  <experimental_properties>
  </experimental_properties>
  <property>
    <kind>logp</kind>
    <value>1.52</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_acidic</kind>
    <value>11.19</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_basic</kind>
    <value>-2.8</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>iupac</kind>
    <value>6,9a-dihydroxy-4-methoxy-3,4a,5-trimethyl-2H,4H,4aH,5H,6H,7H,8H,8aH,9H,9aH-naphtho[2,3-b]furan-2-one</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>average_mass</kind>
    <value>296.3588</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>mono_mass</kind>
    <value>296.162373878</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>smiles</kind>
    <value>COC1C2=C(C)C(=O)OC2(O)CC2CCC(O)C(C)C12C</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>formula</kind>
    <value>C16H24O5</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchi</kind>
    <value>InChI=1S/C16H24O5/c1-8-12-13(20-4)15(3)9(2)11(17)6-5-10(15)7-16(12,19)21-14(8)18/h9-11,13,17,19H,5-7H2,1-4H3</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchikey</kind>
    <value>PVRCOBIICILOMH-UHFFFAOYSA-N</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polar_surface_area</kind>
    <value>75.99</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>refractivity</kind>
    <value>76.43</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polarizability</kind>
    <value>31.38</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>rotatable_bond_count</kind>
    <value>1</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>acceptor_count</kind>
    <value>4</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>donor_count</kind>
    <value>2</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>10294</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>47382</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>162388</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>288703</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>288704</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>288705</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>327904</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>327905</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>327906</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2265120</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2265121</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2265122</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3074418</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3074419</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3074420</spectrum_id>
    </spectrum>
  </spectra>
  <hmdb_id>HMDB41551</hmdb_id>
  <pubchem_compound_id/>
  <chemspider_id/>
  <kegg_id/>
  <chebi_id/>
  <biocyc_id/>
  <het_id/>
  <wikipidia/>
  <vmh_id/>
  <fbonto_id/>
  <foodb_id/>
  <general_references>
    <reference>#&lt;Reference:0x000055ce317c6f78&gt;</reference>
  </general_references>
  <foods>
    <food>
      <name>Green vegetables</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>
