<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2010-04-08 22:11:49 UTC</creation_date>
  <update_date>2025-11-19 00:54:37 UTC</update_date>
  <accession>FDB015384</accession>
  <name>Cumambrin B</name>
  <description>Cumambrin b belongs to guaianolides and derivatives class of compounds. Those are diterpene lactones with a structure characterized by the presence of a gamma-lactone fused to a guaiane, forming 3,6,9-trimethyl-azuleno[4,5-b]furan-2-one or a derivative. Cumambrin b is slightly soluble (in water) and a very weakly acidic compound (based on its pKa). Cumambrin b can be found in sweet bay, which makes cumambrin b a potential biomarker for the consumption of this food product. </description>
  <synonyms>
    <synonym>8-Hydroxycumambranolide</synonym>
    <synonym>Artenovin</synonym>
    <synonym>Cumambrin B</synonym>
  </synonyms>
  <chemical_formula>C15H20O4</chemical_formula>
  <average_molecular_weight>264.3169</average_molecular_weight>
  <monisotopic_moleculate_weight>264.136159128</monisotopic_moleculate_weight>
  <iupac_name>4,6-dihydroxy-6,9-dimethyl-3-methylidene-2H,3H,3aH,4H,5H,6H,6aH,7H,9aH,9bH-azuleno[4,5-b]furan-2-one</iupac_name>
  <traditional_iupac>4,6-dihydroxy-6,9-dimethyl-3-methylidene-3aH,4H,5H,6aH,7H,9aH,9bH-azuleno[4,5-b]furan-2-one</traditional_iupac>
  <cas_registry_number>21982-83-2</cas_registry_number>
  <smiles>CC1=CCC2C1C1OC(=O)C(=C)C1C(O)CC2(C)O</smiles>
  <inchi>InChI=1S/C15H20O4/c1-7-4-5-9-11(7)13-12(8(2)14(17)19-13)10(16)6-15(9,3)18/h4,9-13,16,18H,2,5-6H2,1,3H3</inchi>
  <inchikey>NKXCPQWCIOWQOE-UHFFFAOYSA-N</inchikey>
  <taxonomy>
    <description> belongs to the class of organic compounds known as guaianolides and derivatives. These are diterpene lactones with a structure characterized by the presence of a gamma-lactone fused to a guaiane, forming 3,6,9-trimethyl-azuleno[4,5-b]furan-2-one or a derivative.</description>
    <direct_parent>Guaianolides 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>Cyclic alcohols and derivatives</alternative_parent>
      <alternative_parent>Enoate esters</alternative_parent>
      <alternative_parent>Gamma butyrolactones</alternative_parent>
      <alternative_parent>Guaianes</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>Secondary alcohols</alternative_parent>
      <alternative_parent>Tertiary alcohols</alternative_parent>
      <alternative_parent>Tetrahydrofurans</alternative_parent>
    </alternative_parents>
    <substituents>
      <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>Enoate ester</substituent>
      <substituent>Gamma butyrolactone</substituent>
      <substituent>Guaiane sesquiterpenoid</substituent>
      <substituent>Guaianolide-skeleton</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>Secondary alcohol</substituent>
      <substituent>Sesquiterpenoid</substituent>
      <substituent>Tertiary alcohol</substituent>
      <substituent>Tetrahydrofuran</substituent>
    </substituents>
    <external_descriptors>
    </external_descriptors>
  </taxonomy>
  <state/>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>1.13</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-1.45</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>solubility</kind>
      <value>9.36e+00 g/l</value>
      <source>ALOGPS</source>
    </property>
  </predicted_properties>
  <experimental_properties>
    <property>
      <kind>melting_point</kind>
      <value>Mp 178-180°</value>
    </property>
  </experimental_properties>
  <property>
    <kind>logp</kind>
    <value>0.63</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_acidic</kind>
    <value>14.38</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_basic</kind>
    <value>-2.9</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>iupac</kind>
    <value>4,6-dihydroxy-6,9-dimethyl-3-methylidene-2H,3H,3aH,4H,5H,6H,6aH,7H,9aH,9bH-azuleno[4,5-b]furan-2-one</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>average_mass</kind>
    <value>264.3169</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>mono_mass</kind>
    <value>264.136159128</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>smiles</kind>
    <value>CC1=CCC2C1C1OC(=O)C(=C)C1C(O)CC2(C)O</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>formula</kind>
    <value>C15H20O4</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchi</kind>
    <value>InChI=1S/C15H20O4/c1-7-4-5-9-11(7)13-12(8(2)14(17)19-13)10(16)6-15(9,3)18/h4,9-13,16,18H,2,5-6H2,1,3H3</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchikey</kind>
    <value>NKXCPQWCIOWQOE-UHFFFAOYSA-N</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polar_surface_area</kind>
    <value>66.76</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>refractivity</kind>
    <value>70.48</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polarizability</kind>
    <value>27.96</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>rotatable_bond_count</kind>
    <value>0</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>acceptor_count</kind>
    <value>3</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::MsMs</type>
      <spectrum_id>89163</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>89164</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>89165</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>152025</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>152026</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>152027</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>91167</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>Sweet bay</name>
      <food_type>Type 1</food_type>
      <category>specific</category>
      <name_scientific>Laurus nobilis</name_scientific>
      <ncbi_taxonomy_id>85223</ncbi_taxonomy_id>
    </food>
  </foods>
  <flavors>
  </flavors>
  <enzymes>
  </enzymes>
  <health_effects>
    <health_effect>
      <name>Herbicide</name>
      <id>986</id>
      <definition>A substance used to destroy plant pests.</definition>
    </health_effect>
    <health_effect>
      <name>Pesticide</name>
      <id>1210</id>
      <definition>Strictly, a substance intended to kill pests. In common usage, any substance used for controlling, preventing, or destroying animal, microbiological or plant pests.</definition>
    </health_effect>
  </health_effects>
</compound>
