<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2026-09-21 21:04:38 UTC</creation_date>
  <update_date>2026-09-21 21:04:38 UTC</update_date>
  <accession>FDB117098</accession>
  <name>senkyunolide B</name>
  <description/>
  <synonyms>
    <synonym>(3Z)-3-butylidene-7-hydroxy-2-benzofuran-1-one</synonym>
    <synonym>(3Z)-3-butylidene-7-hydroxy-isobenzofuran-1-one</synonym>
  </synonyms>
  <chemical_formula>C12H12O3</chemical_formula>
  <average_molecular_weight>204.225</average_molecular_weight>
  <monisotopic_moleculate_weight>204.078644246</monisotopic_moleculate_weight>
  <iupac_name>(3E)-3-butylidene-7-hydroxy-1,3-dihydro-2-benzofuran-1-one</iupac_name>
  <traditional_iupac>(3E)-3-butylidene-7-hydroxy-2-benzofuran-1-one</traditional_iupac>
  <cas_registry_number/>
  <smiles>[H]\C(CCC)=C1/OC(=O)C2=C1C=CC=C2O</smiles>
  <inchi>InChI=1S/C12H12O3/c1-2-3-7-10-8-5-4-6-9(13)11(8)12(14)15-10/h4-7,13H,2-3H2,1H3/b10-7+</inchi>
  <inchikey>XLFDJKJEYMKLJX-JXMROGBWSA-N</inchikey>
  <taxonomy>
    <description> belongs to the class of organic compounds known as isobenzofuranones. Isobenzofuranones are compounds containing a 2-benzofuran moiety that carries an oxo group at the 1 position.</description>
    <direct_parent>Isobenzofuranones</direct_parent>
    <kingdom>Organic compounds</kingdom>
    <super_class>Organoheterocyclic compounds</super_class>
    <class>Isocoumarans</class>
    <sub_class>Isobenzofuranones</sub_class>
    <molecular_framework>Aromatic heteropolycyclic compounds</molecular_framework>
    <alternative_parents>
      <alternative_parent>1-hydroxy-2-unsubstituted benzenoids</alternative_parent>
      <alternative_parent>1-hydroxy-4-unsubstituted benzenoids</alternative_parent>
      <alternative_parent>Enol esters</alternative_parent>
      <alternative_parent>Hydrocarbon derivatives</alternative_parent>
      <alternative_parent>Lactones</alternative_parent>
      <alternative_parent>Monocarboxylic acids and derivatives</alternative_parent>
      <alternative_parent>Organic oxides</alternative_parent>
      <alternative_parent>Organooxygen compounds</alternative_parent>
      <alternative_parent>Oxacyclic compounds</alternative_parent>
      <alternative_parent>Vinylogous acids</alternative_parent>
    </alternative_parents>
    <substituents>
      <substituent>1-hydroxy-2-unsubstituted benzenoid</substituent>
      <substituent>1-hydroxy-4-unsubstituted benzenoid</substituent>
      <substituent>Aromatic heteropolycyclic compound</substituent>
      <substituent>Benzenoid</substituent>
      <substituent>Carboxylic acid derivative</substituent>
      <substituent>Carboxylic acid ester</substituent>
      <substituent>Enol ester</substituent>
      <substituent>Hydrocarbon derivative</substituent>
      <substituent>Isobenzofuranone</substituent>
      <substituent>Lactone</substituent>
      <substituent>Monocarboxylic acid or derivatives</substituent>
      <substituent>Organic oxide</substituent>
      <substituent>Organic oxygen compound</substituent>
      <substituent>Organooxygen compound</substituent>
      <substituent>Oxacycle</substituent>
      <substituent>Vinylogous acid</substituent>
    </substituents>
    <external_descriptors>
    </external_descriptors>
  </taxonomy>
  <state/>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>3.69</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-2.62</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>solubility</kind>
      <value>4.88e-01 g/l</value>
      <source>ALOGPS</source>
    </property>
  </predicted_properties>
  <experimental_properties>
  </experimental_properties>
  <property>
    <kind>logp</kind>
    <value>3.37</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_acidic</kind>
    <value>9.37</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_basic</kind>
    <value>-4.3</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>iupac</kind>
    <value>(3E)-3-butylidene-7-hydroxy-1,3-dihydro-2-benzofuran-1-one</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>average_mass</kind>
    <value>204.225</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>mono_mass</kind>
    <value>204.078644246</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>smiles</kind>
    <value>[H]\C(CCC)=C1/OC(=O)C2=C1C=CC=C2O</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>formula</kind>
    <value>C12H12O3</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchi</kind>
    <value>InChI=1S/C12H12O3/c1-2-3-7-10-8-5-4-6-9(13)11(8)12(14)15-10/h4-7,13H,2-3H2,1H3/b10-7+</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchikey</kind>
    <value>XLFDJKJEYMKLJX-JXMROGBWSA-N</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polar_surface_area</kind>
    <value>46.53</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>refractivity</kind>
    <value>58.26</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polarizability</kind>
    <value>21.32</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>rotatable_bond_count</kind>
    <value>2</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>acceptor_count</kind>
    <value>2</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>donor_count</kind>
    <value>1</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>96817</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>1082678</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>1082679</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>1082680</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>1205132</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>1205133</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>1205134</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>
  </foods>
  <flavors>
  </flavors>
  <enzymes>
  </enzymes>
  <health_effects>
  </health_effects>
</compound>
