<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2010-04-08 22:08:05 UTC</creation_date>
  <update_date>2025-11-18 23:10:32 UTC</update_date>
  <accession>FDB008446</accession>
  <name>Phytocassane E</name>
  <description>Phytoalexin from Oryza sativa (rice). Phytocassane E is found in cereals and cereal products and rice.</description>
  <synonyms>
    <synonym>1-Hydroxy-12,15-cassadiene-3,11-dione</synonym>
    <synonym>Phytocassane E</synonym>
    <synonym>Phytocassane EL</synonym>
  </synonyms>
  <chemical_formula>C20H28O3</chemical_formula>
  <average_molecular_weight>316.4345</average_molecular_weight>
  <monisotopic_moleculate_weight>316.203844762</monisotopic_moleculate_weight>
  <iupac_name>7-ethenyl-4-hydroxy-1,1,4a,8-tetramethyl-1,2,3,4,4a,4b,5,8,8a,9,10,10a-dodecahydrophenanthrene-2,5-dione</iupac_name>
  <traditional_iupac>7-ethenyl-4-hydroxy-1,1,4a,8-tetramethyl-3,4,4b,8,8a,9,10,10a-octahydrophenanthrene-2,5-dione</traditional_iupac>
  <cas_registry_number>181524-78-7</cas_registry_number>
  <smiles>CC1C2CCC3C(C)(C)C(=O)CC(O)C3(C)C2C(=O)C=C1C=C</smiles>
  <inchi>InChI=1S/C20H28O3/c1-6-12-9-14(21)18-13(11(12)2)7-8-15-19(3,4)16(22)10-17(23)20(15,18)5/h6,9,11,13,15,17-18,23H,1,7-8,10H2,2-5H3</inchi>
  <inchikey>MMRGGLJWHXYKLZ-UHFFFAOYSA-N</inchikey>
  <taxonomy>
    <description> belongs to the class of organic compounds known as isocopalane and spongiane diterpenoids. These are diterpenoids with a structure based on the isocopalane  (Tetradecahydro-1,1,4a,7,8,8a-hexamethylphenanthrene) or the 15,16-epoxyisocopalane skeleton.</description>
    <direct_parent>Isocopalane and spongiane diterpenoids</direct_parent>
    <kingdom>Organic compounds</kingdom>
    <super_class>Lipids and lipid-like molecules</super_class>
    <class>Prenol lipids</class>
    <sub_class>Diterpenoids</sub_class>
    <molecular_framework>Aliphatic homopolycyclic compounds</molecular_framework>
    <alternative_parents>
      <alternative_parent>Cyclic alcohols and derivatives</alternative_parent>
      <alternative_parent>Cyclohexenones</alternative_parent>
      <alternative_parent>Hydrocarbon derivatives</alternative_parent>
      <alternative_parent>Hydrophenanthrenes</alternative_parent>
      <alternative_parent>Organic oxides</alternative_parent>
      <alternative_parent>Secondary alcohols</alternative_parent>
    </alternative_parents>
    <substituents>
      <substituent>Alcohol</substituent>
      <substituent>Aliphatic homopolycyclic compound</substituent>
      <substituent>Carbonyl group</substituent>
      <substituent>Cyclic alcohol</substituent>
      <substituent>Cyclic ketone</substituent>
      <substituent>Cyclohexenone</substituent>
      <substituent>Hydrocarbon derivative</substituent>
      <substituent>Hydrophenanthrene</substituent>
      <substituent>Isocopalane diterpenoid</substituent>
      <substituent>Ketone</substituent>
      <substituent>Organic oxide</substituent>
      <substituent>Organic oxygen compound</substituent>
      <substituent>Organooxygen compound</substituent>
      <substituent>Phenanthrene</substituent>
      <substituent>Secondary alcohol</substituent>
    </substituents>
    <external_descriptors>
    </external_descriptors>
  </taxonomy>
  <state/>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>2.31</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-3.83</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>solubility</kind>
      <value>4.68e-02 g/l</value>
      <source>ALOGPS</source>
    </property>
  </predicted_properties>
  <experimental_properties>
  </experimental_properties>
  <property>
    <kind>logp</kind>
    <value>3.56</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_acidic</kind>
    <value>14.49</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_basic</kind>
    <value>-3</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>iupac</kind>
    <value>7-ethenyl-4-hydroxy-1,1,4a,8-tetramethyl-1,2,3,4,4a,4b,5,8,8a,9,10,10a-dodecahydrophenanthrene-2,5-dione</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>average_mass</kind>
    <value>316.4345</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>mono_mass</kind>
    <value>316.203844762</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>smiles</kind>
    <value>CC1C2CCC3C(C)(C)C(=O)CC(O)C3(C)C2C(=O)C=C1C=C</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>formula</kind>
    <value>C20H28O3</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchi</kind>
    <value>InChI=1S/C20H28O3/c1-6-12-9-14(21)18-13(11(12)2)7-8-15-19(3,4)16(22)10-17(23)20(15,18)5/h6,9,11,13,15,17-18,23H,1,7-8,10H2,2-5H3</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchikey</kind>
    <value>MMRGGLJWHXYKLZ-UHFFFAOYSA-N</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polar_surface_area</kind>
    <value>54.37</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>refractivity</kind>
    <value>91.39</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polarizability</kind>
    <value>36.07</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>rotatable_bond_count</kind>
    <value>1</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>acceptor_count</kind>
    <value>3</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::MsMs</type>
      <spectrum_id>50148</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>50149</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>50150</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>160617</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>160618</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>160619</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2261848</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2261849</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2261850</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3077676</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3077677</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3077678</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>22829</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>42619</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>147503</spectrum_id>
    </spectrum>
  </spectra>
  <hmdb_id>HMDB31773</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:0x000055ce305901b0&gt;</reference>
  </general_references>
  <foods>
    <food>
      <name>Breakfast cereal</name>
      <food_type>Type 2</food_type>
      <category>specific</category>
      <name_scientific/>
      <ncbi_taxonomy_id/>
    </food>
    <food>
      <name>Cereals and cereal products</name>
      <food_type>Unknown</food_type>
      <category>generic</category>
      <name_scientific/>
      <ncbi_taxonomy_id/>
    </food>
    <food>
      <name>Rice</name>
      <food_type>Type 1</food_type>
      <category>specific</category>
      <name_scientific>Oryza sativa</name_scientific>
      <ncbi_taxonomy_id>4530</ncbi_taxonomy_id>
    </food>
  </foods>
  <flavors>
  </flavors>
  <enzymes>
  </enzymes>
  <health_effects>
  </health_effects>
</compound>
