<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2010-04-08 22:12:04 UTC</creation_date>
  <update_date>2019-11-26 03:12:15 UTC</update_date>
  <accession>FDB015816</accession>
  <name>Ginkgolide A</name>
  <description>Bitter principle from Ginkgo biloba (ginkgo). Ginkgolide A is found in ginkgo nuts and fats and oils.</description>
  <synonyms>
    <synonym>Ginkgolide A</synonym>
  </synonyms>
  <chemical_formula>C20H24O9</chemical_formula>
  <average_molecular_weight>408.3992</average_molecular_weight>
  <monisotopic_moleculate_weight>408.142032366</monisotopic_moleculate_weight>
  <iupac_name>(1R,3R,6R,7S,8S,10R,11S,13S,16S,17R)-8-tert-butyl-6,17-dihydroxy-16-methyl-2,4,14,19-tetraoxahexacyclo[8.7.2.0^{1,11}.0^{3,7}.0^{7,11}.0^{13,17}]nonadecane-5,15,18-trione</iupac_name>
  <traditional_iupac>(1R,3R,6R,7S,8S,10R,11S,13S,16S,17R)-8-tert-butyl-6,17-dihydroxy-16-methyl-2,4,14,19-tetraoxahexacyclo[8.7.2.0^{1,11}.0^{3,7}.0^{7,11}.0^{13,17}]nonadecane-5,15,18-trione</traditional_iupac>
  <cas_registry_number>15291-75-5</cas_registry_number>
  <smiles>C[C@@H]1C(=O)O[C@H]2C[C@@]34[C@H]5C[C@@H](C(C)(C)C)[C@@]33[C@@H](O)C(=O)O[C@H]3O[C@@]4(C(=O)O5)[C@@]12O</smiles>
  <inchi>InChI=1S/C20H24O9/c1-7-12(22)26-10-6-17-9-5-8(16(2,3)4)18(17)11(21)13(23)28-15(18)29-20(17,14(24)27-9)19(7,10)25/h7-11,15,21,25H,5-6H2,1-4H3/t7-,8+,9-,10+,11+,15+,17-,18+,19-,20-/m1/s1</inchi>
  <inchikey>FPUXKXIZEIDQKW-VKMVSBOZSA-N</inchikey>
  <taxonomy>
    <description> belongs to the class of organic compounds known as ginkgolides and bilobalides. These are diterpene lactones with a structure based either on the gingkolide or the bilobalide skeleton. The ginkgolide skeleton is a very rigid structure consisting of hexacyclic C20 trilactone. The cis-fused F/A/D/C ring junction forms an empty semi-ball hole, the D ring contains a cage form tetrahydrofuran ring which occupies the center of the empty hole, and the oxygen atoms of the D,C and F ring and 10-hydroxyl group consist of an analogous crown ether structure.</description>
    <direct_parent>Ginkgolides and bilobalides</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>Acetals</alternative_parent>
      <alternative_parent>Carbonyl compounds</alternative_parent>
      <alternative_parent>Carboxylic acid esters</alternative_parent>
      <alternative_parent>Cyclic alcohols and derivatives</alternative_parent>
      <alternative_parent>Diterpenoids</alternative_parent>
      <alternative_parent>Furofurans</alternative_parent>
      <alternative_parent>Gamma butyrolactones</alternative_parent>
      <alternative_parent>Hydrocarbon 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_parent>Tricarboxylic acids and derivatives</alternative_parent>
    </alternative_parents>
    <substituents>
      <substituent>Acetal</substituent>
      <substituent>Alcohol</substituent>
      <substituent>Aliphatic heteropolycyclic compound</substituent>
      <substituent>Carbonyl group</substituent>
      <substituent>Carboxylic acid derivative</substituent>
      <substituent>Carboxylic acid ester</substituent>
      <substituent>Cyclic alcohol</substituent>
      <substituent>Diterpenoid</substituent>
      <substituent>Furofuran</substituent>
      <substituent>Gamma butyrolactone</substituent>
      <substituent>Ginkgolide-skeleton</substituent>
      <substituent>Hydrocarbon derivative</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>Secondary alcohol</substituent>
      <substituent>Tertiary alcohol</substituent>
      <substituent>Tetrahydrofuran</substituent>
      <substituent>Tricarboxylic acid or derivatives</substituent>
    </substituents>
    <external_descriptors>
    </external_descriptors>
  </taxonomy>
  <state/>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>1.21</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-2.13</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>solubility</kind>
      <value>3.05e+00 g/l</value>
      <source>ALOGPS</source>
    </property>
  </predicted_properties>
  <experimental_properties>
    <property>
      <kind>melting_point</kind>
      <value>Mp 280° dec.</value>
    </property>
  </experimental_properties>
  <property>
    <kind>logp</kind>
    <value>0.34</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_acidic</kind>
    <value>11.77</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_basic</kind>
    <value>-4.1</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>iupac</kind>
    <value>(1R,3R,6R,7S,8S,10R,11S,13S,16S,17R)-8-tert-butyl-6,17-dihydroxy-16-methyl-2,4,14,19-tetraoxahexacyclo[8.7.2.0^{1,11}.0^{3,7}.0^{7,11}.0^{13,17}]nonadecane-5,15,18-trione</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>average_mass</kind>
    <value>408.3992</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>mono_mass</kind>
    <value>408.142032366</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>smiles</kind>
    <value>C[C@@H]1C(=O)O[C@H]2C[C@@]34[C@H]5C[C@@H](C(C)(C)C)[C@@]33[C@@H](O)C(=O)O[C@H]3O[C@@]4(C(=O)O5)[C@@]12O</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>formula</kind>
    <value>C20H24O9</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchi</kind>
    <value>InChI=1S/C20H24O9/c1-7-12(22)26-10-6-17-9-5-8(16(2,3)4)18(17)11(21)13(23)28-15(18)29-20(17,14(24)27-9)19(7,10)25/h7-11,15,21,25H,5-6H2,1-4H3/t7-,8+,9-,10+,11+,15+,17-,18+,19-,20-/m1/s1</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchikey</kind>
    <value>FPUXKXIZEIDQKW-VKMVSBOZSA-N</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polar_surface_area</kind>
    <value>128.59</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>refractivity</kind>
    <value>90.17</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polarizability</kind>
    <value>38.24</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>rotatable_bond_count</kind>
    <value>1</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>acceptor_count</kind>
    <value>6</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>248916</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>248917</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>248918</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>268857</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>268858</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>268859</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>374137</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>374138</spectrum_id>
    </spectrum>
  </spectra>
  <hmdb_id>HMDB36862</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:0x000055ce325ce8c8&gt;</reference>
  </general_references>
  <foods>
    <food>
      <name>Fats and oils</name>
      <food_type>Unknown</food_type>
      <category>generic</category>
      <name_scientific/>
      <ncbi_taxonomy_id/>
    </food>
    <food>
      <name>Ginkgo nuts</name>
      <food_type>Type 1</food_type>
      <category>specific</category>
      <name_scientific>Ginkgo biloba</name_scientific>
      <ncbi_taxonomy_id>3311</ncbi_taxonomy_id>
    </food>
  </foods>
  <flavors>
    <flavor>
      <name>bitter</name>
    </flavor>
  </flavors>
  <enzymes>
  </enzymes>
  <health_effects>
  </health_effects>
</compound>
