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The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at The data is made available under the Creative Commons License (CC BY 3.0, For more information see: Degtyarenko et al. (2008) ChEBI: a database and ontology for chemical entities of biological interest. Nucleic Acids Res. 36, D344–D350.

Term:macaranone A
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Accession:CHEBI:66648 term browser browse the term
Definition:A pentahydroxyflavone that is flavone substituted by hydroxy groups at positions 3, 5, 7, 3' and 4', a geranyl group at position 2' and a prenyl group at position 5'. Isolated from the leaves of Macaranga sampsonii, it exhibits cytotoxicity against several human cancer cell lines.
Synonyms:exact_synonym: 2-{2-[(2E)-3,7-dimethylocta-2,6-dien-1-yl]-3,4-dihydroxy-5-(3-methylbut-2-en-1-yl)phenyl}-3,5,7-trihydroxy-4H-chromen-4-one
 related_synonym: Formula=C30H34O7;   InChI=1S/C30H34O7/c1-16(2)7-6-8-18(5)10-12-21-22(13-19(11-9-17(3)4)26(33)27(21)34)30-29(36)28(35)25-23(32)14-20(31)15-24(25)37-30/h7,9-10,13-15,31-34,36H,6,8,11-12H2,1-5H3/b18-10+;   InChIKey=OAZFFUNCFJOTIQ-VCHYOVAHSA-N;   SMILES=CC(C)=CCC\\C(C)=C\\Cc1c(O)c(O)c(CC=C(C)C)cc1-c1oc2cc(O)cc(O)c2c(=O)c1O
 xref: PMID:19420781;   Reaxys:19726973

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Term Annotations click to browse term
  CHEBI ontology 19773
    role 19723
      biological role 19723
        biochemical role 19311
          metabolite 19293
            macaranone A 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19773
    subatomic particle 19771
      composite particle 19771
        hadron 19771
          baryon 19771
            nucleon 19771
              atomic nucleus 19771
                atom 19771
                  main group element atom 19665
                    p-block element atom 19665
                      carbon group element atom 19583
                        carbon atom 19573
                          organic molecular entity 19573
                            organic molecule 19505
                              organic cyclic compound 19332
                                organic heterocyclic compound 18519
                                  oxacycle 17539
                                    benzopyran 10269
                                      1-benzopyran 9991
                                        flavonoid 6510
                                          flavones 4197
                                            hydroxyflavone 4185
                                              pentahydroxyflavone 4033
                                                macaranone A 0
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