<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2010-04-08 22:10:12 UTC</creation_date>
  <update_date>2019-11-26 03:06:54 UTC</update_date>
  <accession>FDB012498</accession>
  <name>Physalolactone B</name>
  <description>Isolated from roots and leaves of Physalis peruviana (Cape gooseberry). Physalolactone B is found in fruits.</description>
  <synonyms>
  </synonyms>
  <chemical_formula>C30H44O6</chemical_formula>
  <average_molecular_weight>500.6668</average_molecular_weight>
  <monisotopic_moleculate_weight>500.31378914</monisotopic_moleculate_weight>
  <iupac_name>14-[1-(4,5-dimethyl-6-oxo-3,6-dihydro-2H-pyran-2-yl)-1-hydroxyethyl]-5-hydroxy-2,15-dimethyltetracyclo[8.7.0.0²,⁷.0¹¹,¹⁵]heptadec-7-en-3-yl acetate</iupac_name>
  <traditional_iupac>14-[1-(4,5-dimethyl-6-oxo-2,3-dihydropyran-2-yl)-1-hydroxyethyl]-5-hydroxy-2,15-dimethyltetracyclo[8.7.0.0²,⁷.0¹¹,¹⁵]heptadec-7-en-3-yl acetate</traditional_iupac>
  <cas_registry_number>78916-78-6</cas_registry_number>
  <smiles>CC(=O)OC1CC(O)CC2=CCC3C4CCC(C(C)(O)C5CC(C)=C(C)C(=O)O5)C4(C)CCC3C12C</smiles>
  <inchi>InChI=1S/C30H44O6/c1-16-13-26(36-27(33)17(16)2)30(6,34)24-10-9-22-21-8-7-19-14-20(32)15-25(35-18(3)31)29(19,5)23(21)11-12-28(22,24)4/h7,20-26,32,34H,8-15H2,1-6H3</inchi>
  <inchikey>ANGCIHCSPJLGME-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>3-hydroxy delta-5-steroids</alternative_parent>
      <alternative_parent>Carbonyl compounds</alternative_parent>
      <alternative_parent>Cyclic alcohols and derivatives</alternative_parent>
      <alternative_parent>Delta-5-steroids</alternative_parent>
      <alternative_parent>Dicarboxylic acids and derivatives</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>Organic oxides</alternative_parent>
      <alternative_parent>Oxacyclic compounds</alternative_parent>
      <alternative_parent>Secondary alcohols</alternative_parent>
      <alternative_parent>Steroid esters</alternative_parent>
      <alternative_parent>Tertiary alcohols</alternative_parent>
    </alternative_parents>
    <substituents>
      <substituent>20-hydroxysteroid</substituent>
      <substituent>3-hydroxy-delta-5-steroid</substituent>
      <substituent>3-hydroxysteroid</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>Delta-5-steroid</substituent>
      <substituent>Dicarboxylic acid or derivatives</substituent>
      <substituent>Dihydropyranone</substituent>
      <substituent>Enoate ester</substituent>
      <substituent>Hydrocarbon derivative</substituent>
      <substituent>Hydroxysteroid</substituent>
      <substituent>Lactone</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>Secondary alcohol</substituent>
      <substituent>Steroid ester</substituent>
      <substituent>Tertiary alcohol</substituent>
      <substituent>Withanolide-skeleton</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>-5.10</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>solubility</kind>
      <value>3.97e-03 g/l</value>
      <source>ALOGPS</source>
    </property>
  </predicted_properties>
  <experimental_properties>
    <property>
      <kind>melting_point</kind>
      <value>Mp 252-254°</value>
    </property>
  </experimental_properties>
  <property>
    <kind>logp</kind>
    <value>3.79</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_acidic</kind>
    <value>13.76</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_basic</kind>
    <value>-2.8</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>iupac</kind>
    <value>14-[1-(4,5-dimethyl-6-oxo-3,6-dihydro-2H-pyran-2-yl)-1-hydroxyethyl]-5-hydroxy-2,15-dimethyltetracyclo[8.7.0.0²,⁷.0¹¹,¹⁵]heptadec-7-en-3-yl acetate</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>average_mass</kind>
    <value>500.6668</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>mono_mass</kind>
    <value>500.31378914</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>smiles</kind>
    <value>CC(=O)OC1CC(O)CC2=CCC3C4CCC(C(C)(O)C5CC(C)=C(C)C(=O)O5)C4(C)CCC3C12C</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>formula</kind>
    <value>C30H44O6</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchi</kind>
    <value>InChI=1S/C30H44O6/c1-16-13-26(36-27(33)17(16)2)30(6,34)24-10-9-22-21-8-7-19-14-20(32)15-25(35-18(3)31)29(19,5)23(21)11-12-28(22,24)4/h7,20-26,32,34H,8-15H2,1-6H3</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchikey</kind>
    <value>ANGCIHCSPJLGME-UHFFFAOYSA-N</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polar_surface_area</kind>
    <value>93.06</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>refractivity</kind>
    <value>137.64</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polarizability</kind>
    <value>56.81</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>rotatable_bond_count</kind>
    <value>4</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>23128</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>43762</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>7901</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>7902</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>7903</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>14573</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>14574</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>14575</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2359901</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2359902</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2359903</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2606152</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2606153</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2606154</spectrum_id>
    </spectrum>
  </spectra>
  <hmdb_id>HMDB34200</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:0x000055ce317dade8&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>
