<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2010-04-08 22:04:40 UTC</creation_date>
  <update_date>2020-02-24 19:10:12 UTC</update_date>
  <accession>FDB000683</accession>
  <name>Nobiletin</name>
  <description>Isolated from peel of king orange (Citrus nobilis), seville orange (Citrus aurantium) and other Citrus subspecies, and the round kumquat (Fortunella japonica). Nobiletin is found in many foods, some of which are sweet bay, citrus, lemon, and grapefruit.</description>
  <synonyms>
    <synonym>2-(3,4-Dimethoxyphenyl)-5,6,7,8-tetramethoxy-4H-1-benzopyran-4-one, 9CI</synonym>
    <synonym>5,6,7,8,3',4'-Hexamethoxyflavone</synonym>
    <synonym>Flavone, 5,6,7,8,3',4'-hexamethoxy</synonym>
    <synonym>Hexamethoxyflavone</synonym>
    <synonym>Nobiletin</synonym>
  </synonyms>
  <chemical_formula>C21H22O8</chemical_formula>
  <average_molecular_weight>402.3946</average_molecular_weight>
  <monisotopic_moleculate_weight>402.13146768</monisotopic_moleculate_weight>
  <iupac_name>2-(3,4-dimethoxyphenyl)-5,6,7,8-tetramethoxy-4H-chromen-4-one</iupac_name>
  <traditional_iupac>nobiletin</traditional_iupac>
  <cas_registry_number>478-01-3</cas_registry_number>
  <smiles>COC1=CC=C(C=C1OC)C1=CC(=O)C2=C(O1)C(OC)=C(OC)C(OC)=C2OC</smiles>
  <inchi>InChI=1S/C21H22O8/c1-23-13-8-7-11(9-15(13)24-2)14-10-12(22)16-17(25-3)19(26-4)21(28-6)20(27-5)18(16)29-14/h7-10H,1-6H3</inchi>
  <inchikey>MRIAQLRQZPPODS-UHFFFAOYSA-N</inchikey>
  <taxonomy>
    <description> belongs to the class of organic compounds known as 8-o-methylated flavonoids. These are flavonoids with methoxy groups attached to the C8 atom of the flavonoid backbone.</description>
    <direct_parent>8-O-methylated flavonoids</direct_parent>
    <kingdom>Organic compounds</kingdom>
    <super_class>Phenylpropanoids and polyketides</super_class>
    <class>Flavonoids</class>
    <sub_class>O-methylated flavonoids</sub_class>
    <molecular_framework>Aromatic heteropolycyclic compounds</molecular_framework>
    <alternative_parents>
      <alternative_parent>3'-O-methylated flavonoids</alternative_parent>
      <alternative_parent>4'-O-methylated flavonoids</alternative_parent>
      <alternative_parent>5-O-methylated flavonoids</alternative_parent>
      <alternative_parent>6-O-methylated flavonoids</alternative_parent>
      <alternative_parent>7-O-methylated flavonoids</alternative_parent>
      <alternative_parent>Alkyl aryl ethers</alternative_parent>
      <alternative_parent>Anisoles</alternative_parent>
      <alternative_parent>Chromones</alternative_parent>
      <alternative_parent>Dimethoxybenzenes</alternative_parent>
      <alternative_parent>Flavones</alternative_parent>
      <alternative_parent>Heteroaromatic compounds</alternative_parent>
      <alternative_parent>Hydrocarbon derivatives</alternative_parent>
      <alternative_parent>Organic oxides</alternative_parent>
      <alternative_parent>Oxacyclic compounds</alternative_parent>
      <alternative_parent>Phenoxy compounds</alternative_parent>
      <alternative_parent>Pyranones and derivatives</alternative_parent>
      <alternative_parent>Vinylogous esters</alternative_parent>
    </alternative_parents>
    <substituents>
      <substituent>1-benzopyran</substituent>
      <substituent>3p-methoxyflavonoid-skeleton</substituent>
      <substituent>4p-methoxyflavonoid-skeleton</substituent>
      <substituent>5-methoxyflavonoid-skeleton</substituent>
      <substituent>6-methoxyflavonoid-skeleton</substituent>
      <substituent>7-methoxyflavonoid-skeleton</substituent>
      <substituent>8-methoxyflavonoid-skeleton</substituent>
      <substituent>Alkyl aryl ether</substituent>
      <substituent>Anisole</substituent>
      <substituent>Aromatic heteropolycyclic compound</substituent>
      <substituent>Benzenoid</substituent>
      <substituent>Benzopyran</substituent>
      <substituent>Chromone</substituent>
      <substituent>Dimethoxybenzene</substituent>
      <substituent>Ether</substituent>
      <substituent>Flavone</substituent>
      <substituent>Heteroaromatic compound</substituent>
      <substituent>Hydrocarbon derivative</substituent>
      <substituent>Methoxybenzene</substituent>
      <substituent>Monocyclic benzene moiety</substituent>
      <substituent>O-dimethoxybenzene</substituent>
      <substituent>Organic oxide</substituent>
      <substituent>Organic oxygen compound</substituent>
      <substituent>Organoheterocyclic compound</substituent>
      <substituent>Organooxygen compound</substituent>
      <substituent>Oxacycle</substituent>
      <substituent>Phenol ether</substituent>
      <substituent>Phenoxy compound</substituent>
      <substituent>Pyran</substituent>
      <substituent>Pyranone</substituent>
      <substituent>Vinylogous ester</substituent>
    </substituents>
    <external_descriptors>
      <external_descriptor>Flavones and Flavonols</external_descriptor>
      <external_descriptor>flavones</external_descriptor>
      <external_descriptor>methoxyflavone</external_descriptor>
    </external_descriptors>
  </taxonomy>
  <state/>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>2.62</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-4.64</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>solubility</kind>
      <value>9.20e-03 g/l</value>
      <source>ALOGPS</source>
    </property>
  </predicted_properties>
  <experimental_properties>
    <property>
      <kind>melting_point</kind>
      <value>Mp 134°</value>
    </property>
  </experimental_properties>
  <property>
    <kind>logp</kind>
    <value>2.02</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_acidic</kind>
    <value>15.13</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_basic</kind>
    <value>-4.1</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>iupac</kind>
    <value>2-(3,4-dimethoxyphenyl)-5,6,7,8-tetramethoxy-4H-chromen-4-one</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>average_mass</kind>
    <value>402.3946</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>mono_mass</kind>
    <value>402.13146768</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>smiles</kind>
    <value>COC1=CC=C(C=C1OC)C1=CC(=O)C2=C(O1)C(OC)=C(OC)C(OC)=C2OC</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>formula</kind>
    <value>C21H22O8</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchi</kind>
    <value>InChI=1S/C21H22O8/c1-23-13-8-7-11(9-15(13)24-2)14-10-12(22)16-17(25-3)19(26-4)21(28-6)20(27-5)18(16)29-14/h7-10H,1-6H3</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchikey</kind>
    <value>MRIAQLRQZPPODS-UHFFFAOYSA-N</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polar_surface_area</kind>
    <value>81.68</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>refractivity</kind>
    <value>105.75</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polarizability</kind>
    <value>41.79</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>rotatable_bond_count</kind>
    <value>7</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>acceptor_count</kind>
    <value>8</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>11710</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>131775</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>139509</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>13046</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>13047</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>13048</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>19718</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>19719</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>19720</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>374382</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>374830</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>439895</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>450127</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>450128</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>450129</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>450130</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>450131</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>450132</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>450133</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>450134</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>450135</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>450958</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>450959</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>451530</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2244590</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2245506</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2246739</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2247567</spectrum_id>
    </spectrum>
  </spectra>
  <hmdb_id>HMDB29540</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:0x000055ce30272640&gt;</reference>
    <reference>#&lt;Reference:0x000055ce30272488&gt;</reference>
    <reference>#&lt;Reference:0x000055ce302722d0&gt;</reference>
    <reference>#&lt;Reference:0x000055ce30272118&gt;</reference>
  </general_references>
  <foods>
    <food>
      <name>Citrus</name>
      <food_type>Unknown</food_type>
      <category>generic</category>
      <name_scientific/>
      <ncbi_taxonomy_id/>
    </food>
    <food>
      <name>Grapefruit</name>
      <food_type>Type 1</food_type>
      <category>specific</category>
      <name_scientific>Citrus X paradisi</name_scientific>
      <ncbi_taxonomy_id>37656</ncbi_taxonomy_id>
      <average_value>0.0</average_value>
      <max_value>0.0</max_value>
      <min_value>0.0</min_value>
      <unit>mg/100 g</unit>
    </food>
    <food>
      <name>Lemon</name>
      <food_type>Type 1</food_type>
      <category>specific</category>
      <name_scientific>Citrus limon</name_scientific>
      <ncbi_taxonomy_id>2708</ncbi_taxonomy_id>
    </food>
    <food>
      <name>Mandarin orange (Clementine, Tangerine)</name>
      <food_type>Type 1</food_type>
      <category>specific</category>
      <name_scientific>Citrus reticulata</name_scientific>
      <ncbi_taxonomy_id>85571</ncbi_taxonomy_id>
      <average_value>0.0</average_value>
      <max_value>0.0</max_value>
      <min_value>0.0</min_value>
      <unit>mg/100 g</unit>
    </food>
    <food>
      <name>Sweet bay</name>
      <food_type>Type 1</food_type>
      <category>specific</category>
      <name_scientific>Laurus nobilis</name_scientific>
      <ncbi_taxonomy_id>85223</ncbi_taxonomy_id>
    </food>
    <food>
      <name>Sweet orange</name>
      <food_type>Type 1</food_type>
      <category>specific</category>
      <name_scientific>Citrus sinensis</name_scientific>
      <ncbi_taxonomy_id>2711</ncbi_taxonomy_id>
      <average_value>0.241068</average_value>
      <max_value>0.367419362</max_value>
      <min_value>0.075142856</min_value>
      <unit>mg/100 g</unit>
    </food>
  </foods>
  <flavors>
    <flavor>
      <name>bitter</name>
    </flavor>
  </flavors>
  <enzymes>
  </enzymes>
  <health_effects>
    <health_effect>
      <name>Anti histaminic</name>
      <id>331</id>
      <definition>Histamine antagonists are the drugs that bind to but do not activate histamine receptors, thereby blocking the actions of histamine or histamine agonists.</definition>
    </health_effect>
    <health_effect>
      <name>Anti-allergic</name>
      <id>103</id>
      <definition>A drug used to treat allergic reactions.</definition>
    </health_effect>
    <health_effect>
      <name>Anti-proliferative</name>
      <id>548</id>
      <definition/>
    </health_effect>
    <health_effect>
      <name>Cancer preventive</name>
      <id>754</id>
      <definition>A substance that inhibits or prevents the proliferation of neoplasms.</definition>
    </health_effect>
    <health_effect>
      <name>Cholinergic</name>
      <id>804</id>
      <definition>Any drug used for its actions on cholinergic systems. Included here are agonists and antagonists, drugs that affect the life cycle of acetylcholine, and drugs that affect the survival of cholinergic neurons.</definition>
    </health_effect>
    <health_effect>
      <name>Fungicide</name>
      <id>940</id>
      <definition>A substance used to destroy fungal pests.</definition>
    </health_effect>
    <health_effect>
      <name>Fungistat</name>
      <id>942</id>
      <definition/>
    </health_effect>
    <health_effect>
      <name>Pesticide</name>
      <id>1210</id>
      <definition>Strictly, a substance intended to kill pests. In common usage, any substance used for controlling, preventing, or destroying animal, microbiological or plant pests.</definition>
    </health_effect>
  </health_effects>
</compound>
