<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2010-04-08 22:09:14 UTC</creation_date>
  <update_date>2025-11-18 23:21:03 UTC</update_date>
  <accession>FDB010642</accession>
  <name>(14alpha,17beta,20S,22R)-14,20-Epoxy-17-hydroxy-1-oxowitha-3,5,24-trienolide</name>
  <description>Constituent of Physalis peruviana (Cape gooseberry). (14alpha,17beta,20S,22R)-14,20-Epoxy-17-hydroxy-1-oxowitha-3,5,24-trienolide is found in fruits.</description>
  <synonyms>
  </synonyms>
  <chemical_formula>C28H36O5</chemical_formula>
  <average_molecular_weight>452.5824</average_molecular_weight>
  <monisotopic_moleculate_weight>452.256274262</monisotopic_moleculate_weight>
  <iupac_name>16-(4,5-dimethyl-6-oxo-3,6-dihydro-2H-pyran-2-yl)-15-hydroxy-10,14,16-trimethyl-17-oxapentacyclo[13.2.2.0¹,¹⁴.0²,¹¹.0⁵,¹⁰]nonadeca-4,6-dien-9-one</iupac_name>
  <traditional_iupac>16-(4,5-dimethyl-6-oxo-2,3-dihydropyran-2-yl)-15-hydroxy-10,14,16-trimethyl-17-oxapentacyclo[13.2.2.0¹,¹⁴.0²,¹¹.0⁵,¹⁰]nonadeca-4,6-dien-9-one</traditional_iupac>
  <cas_registry_number/>
  <smiles>CC1=C(C)C(=O)OC(C1)C1(C)OC23CCC1(O)C2(C)CCC1C3CC=C2C=CCC(=O)C12C</smiles>
  <inchi>InChI=1S/C28H36O5/c1-16-15-22(32-23(30)17(16)2)26(5)28(31)14-13-27(33-26)20-10-9-18-7-6-8-21(29)25(18,4)19(20)11-12-24(27,28)3/h6-7,9,19-20,22,31H,8,10-15H2,1-5H3</inchi>
  <inchikey>KOYNICXFSFFIPU-UHFFFAOYSA-N</inchikey>
  <taxonomy>
    <description> belongs to the class of organic compounds known as withanolides and derivatives. These are c28 steroids structurally characterized by an ergostane skeleton usually functionalized at carbons 1, 22 and 26 to form a lactone ring.</description>
    <direct_parent>Withanolides and derivatives</direct_parent>
    <kingdom>Organic compounds</kingdom>
    <super_class>Lipids and lipid-like molecules</super_class>
    <class>Steroids and steroid derivatives</class>
    <sub_class>Steroid lactones</sub_class>
    <molecular_framework>Aliphatic heteropolycyclic compounds</molecular_framework>
    <alternative_parents>
      <alternative_parent>Cyclic alcohols and derivatives</alternative_parent>
      <alternative_parent>Cyclohexenones</alternative_parent>
      <alternative_parent>Dialkyl ethers</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>Monosaccharides</alternative_parent>
      <alternative_parent>Naphthofurans</alternative_parent>
      <alternative_parent>Organic oxides</alternative_parent>
      <alternative_parent>Oxacyclic compounds</alternative_parent>
      <alternative_parent>Oxanes</alternative_parent>
      <alternative_parent>Oxosteroids</alternative_parent>
      <alternative_parent>Tertiary alcohols</alternative_parent>
      <alternative_parent>Tetrahydrofurans</alternative_parent>
    </alternative_parents>
    <substituents>
      <substituent>1-oxosteroid</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>Cyclohexenone</substituent>
      <substituent>Dialkyl ether</substituent>
      <substituent>Dihydropyranone</substituent>
      <substituent>Enoate ester</substituent>
      <substituent>Ether</substituent>
      <substituent>Hydrocarbon derivative</substituent>
      <substituent>Ketone</substituent>
      <substituent>Lactone</substituent>
      <substituent>Monocarboxylic acid or derivatives</substituent>
      <substituent>Monosaccharide</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>Oxane</substituent>
      <substituent>Oxosteroid</substituent>
      <substituent>Pyran</substituent>
      <substituent>Tertiary alcohol</substituent>
      <substituent>Tetrahydrofuran</substituent>
      <substituent>Withanolide-skeleton</substituent>
    </substituents>
    <external_descriptors>
    </external_descriptors>
  </taxonomy>
  <state/>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>4.32</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-5.08</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>solubility</kind>
      <value>3.75e-03 g/l</value>
      <source>ALOGPS</source>
    </property>
  </predicted_properties>
  <experimental_properties>
    <property>
      <kind>melting_point</kind>
      <value>Mp 192-193°</value>
    </property>
  </experimental_properties>
  <property>
    <kind>logp</kind>
    <value>4.16</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_acidic</kind>
    <value>13.19</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_basic</kind>
    <value>-3.6</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>iupac</kind>
    <value>16-(4,5-dimethyl-6-oxo-3,6-dihydro-2H-pyran-2-yl)-15-hydroxy-10,14,16-trimethyl-17-oxapentacyclo[13.2.2.0¹,¹⁴.0²,¹¹.0⁵,¹⁰]nonadeca-4,6-dien-9-one</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>average_mass</kind>
    <value>452.5824</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>mono_mass</kind>
    <value>452.256274262</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>smiles</kind>
    <value>CC1=C(C)C(=O)OC(C1)C1(C)OC23CCC1(O)C2(C)CCC1C3CC=C2C=CCC(=O)C12C</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>formula</kind>
    <value>C28H36O5</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchi</kind>
    <value>InChI=1S/C28H36O5/c1-16-15-22(32-23(30)17(16)2)26(5)28(31)14-13-27(33-26)20-10-9-18-7-6-8-21(29)25(18,4)19(20)11-12-24(27,28)3/h6-7,9,19-20,22,31H,8,10-15H2,1-5H3</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchikey</kind>
    <value>KOYNICXFSFFIPU-UHFFFAOYSA-N</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polar_surface_area</kind>
    <value>72.83</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>refractivity</kind>
    <value>126.4</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polarizability</kind>
    <value>50.6</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>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>13158</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>42916</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>163448</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>98979</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>98980</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>98981</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>164043</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>164044</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>164045</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2715892</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2715893</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2715894</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2966910</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2966911</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2966912</spectrum_id>
    </spectrum>
  </spectra>
  <hmdb_id>HMDB32685</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:0x000055ce326f26c8&gt;</reference>
  </general_references>
  <foods>
    <food>
      <name>Fruits</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>
