<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2010-04-08 22:10:13 UTC</creation_date>
  <update_date>2019-11-26 03:06:56 UTC</update_date>
  <accession>FDB012515</accession>
  <name>(R)-Kawain</name>
  <description>Found in the roots of kava (Piper methysticum). FDA advises against use of kava in food due to potential risk of severe liver damage (2002)</description>
  <synonyms>
    <synonym>(+)-kavain</synonym>
    <synonym>2H-Pyran-2-one, 5,6-dihydro-4-methoxy-6-styryl-, (+)-</synonym>
    <synonym>2H-Pyran-2-one, 5,6-dihydro-4-methoxy-6-styryl-, (R)- (VAN)</synonym>
    <synonym>5,6-dihydro-4-Methoxy-6-styryl-(+)-2H-pyran-2-one</synonym>
    <synonym>DL-Kavain</synonym>
    <synonym>Gonosan</synonym>
    <synonym>Kavain</synonym>
    <synonym>Kavain, DL-</synonym>
    <synonym>Kawain</synonym>
  </synonyms>
  <chemical_formula>C14H14O3</chemical_formula>
  <average_molecular_weight>230.2592</average_molecular_weight>
  <monisotopic_moleculate_weight>230.094294314</monisotopic_moleculate_weight>
  <iupac_name>4-methoxy-6-[(Z)-2-phenylethenyl]-5,6-dihydro-2H-pyran-2-one</iupac_name>
  <traditional_iupac>4-methoxy-6-[(Z)-2-phenylethenyl]-5,6-dihydropyran-2-one</traditional_iupac>
  <cas_registry_number>500-64-1</cas_registry_number>
  <smiles>COC1=CC(=O)OC(C1)\C=C/C1=CC=CC=C1</smiles>
  <inchi>InChI=1S/C14H14O3/c1-16-13-9-12(17-14(15)10-13)8-7-11-5-3-2-4-6-11/h2-8,10,12H,9H2,1H3/b8-7-</inchi>
  <inchikey>XEAQIWGXBXCYFX-FPLPWBNLSA-N</inchikey>
  <taxonomy>
    <description> belongs to the class of organic compounds known as kavalactones. These are lactones, which is structurally characterized by a benzene ring and a pyranone moiety, linked to each other to form a 4-methoxy-6-(2-phenylethyl)-2H-pyran-2-one skeleton.</description>
    <direct_parent>Kavalactones</direct_parent>
    <kingdom>Organic compounds</kingdom>
    <super_class>Phenylpropanoids and polyketides</super_class>
    <class>Kavalactones</class>
    <sub_class/>
    <molecular_framework>Aromatic heteromonocyclic compounds</molecular_framework>
    <alternative_parents>
      <alternative_parent>Carbonyl compounds</alternative_parent>
      <alternative_parent>Dihydropyranones</alternative_parent>
      <alternative_parent>Enoate 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>Oxacyclic compounds</alternative_parent>
      <alternative_parent>Styrenes</alternative_parent>
      <alternative_parent>Vinylogous esters</alternative_parent>
    </alternative_parents>
    <substituents>
      <substituent>Alpha,beta-unsaturated carboxylic ester</substituent>
      <substituent>Aromatic heteromonocyclic compound</substituent>
      <substituent>Benzenoid</substituent>
      <substituent>Carbonyl group</substituent>
      <substituent>Carboxylic acid derivative</substituent>
      <substituent>Carboxylic acid ester</substituent>
      <substituent>Dihydropyranone</substituent>
      <substituent>Enoate ester</substituent>
      <substituent>Hydrocarbon derivative</substituent>
      <substituent>Kavalactone</substituent>
      <substituent>Lactone</substituent>
      <substituent>Monocarboxylic acid or derivatives</substituent>
      <substituent>Monocyclic benzene moiety</substituent>
      <substituent>Organic oxide</substituent>
      <substituent>Organic oxygen compound</substituent>
      <substituent>Organoheterocyclic compound</substituent>
      <substituent>Organooxygen compound</substituent>
      <substituent>Oxacycle</substituent>
      <substituent>Pyran</substituent>
      <substituent>Styrene</substituent>
      <substituent>Vinylogous ester</substituent>
    </substituents>
    <external_descriptors>
    </external_descriptors>
  </taxonomy>
  <state/>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>2.96</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-3.60</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>solubility</kind>
      <value>5.73e-02 g/l</value>
      <source>ALOGPS</source>
    </property>
  </predicted_properties>
  <experimental_properties>
    <property>
      <kind>melting_point</kind>
      <value>Mp 106° (110°)</value>
    </property>
  </experimental_properties>
  <property>
    <kind>logp</kind>
    <value>2.43</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_acidic</kind>
    <value>16.54</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_basic</kind>
    <value>-4.8</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>iupac</kind>
    <value>4-methoxy-6-[(Z)-2-phenylethenyl]-5,6-dihydro-2H-pyran-2-one</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>average_mass</kind>
    <value>230.2592</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>mono_mass</kind>
    <value>230.094294314</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>smiles</kind>
    <value>COC1=CC(=O)OC(C1)\C=C/C1=CC=CC=C1</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>formula</kind>
    <value>C14H14O3</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchi</kind>
    <value>InChI=1S/C14H14O3/c1-16-13-9-12(17-14(15)10-13)8-7-11-5-3-2-4-6-11/h2-8,10,12H,9H2,1H3/b8-7-</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchikey</kind>
    <value>XEAQIWGXBXCYFX-FPLPWBNLSA-N</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polar_surface_area</kind>
    <value>35.53</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>refractivity</kind>
    <value>67.36</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polarizability</kind>
    <value>24.61</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>rotatable_bond_count</kind>
    <value>3</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>25874</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>135534</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>143268</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>323344</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>323345</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>323346</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>371473</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>371474</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>371475</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2705417</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2705418</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2705419</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3003151</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3003152</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3003153</spectrum_id>
    </spectrum>
  </spectra>
  <hmdb_id>HMDB34212</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:0x000055ce31fa94c0&gt;</reference>
    <reference>#&lt;Reference:0x000055ce31fa9290&gt;</reference>
  </general_references>
  <foods>
    <food>
      <name>Beverages</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>
