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CHEBI ONTOLOGY - ANNOTATIONS

The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at http://www.ebi.ac.uk/chebi/. The data is made available under the Creative Commons License (CC BY 3.0, http://creativecommons.org/licenses/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:chaetoxanthone A
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Accession:CHEBI:65611 term browser browse the term
Definition:A bridged organic heteropentacyclic compund that is 3,4,5,6-tetrahydro-2H,8H-2,6-epoxyoxocino[3,2-b]xanthen-8-one substituted by hydroxy groups at positions 4 and 7, a methoxy group at position 9 and a methyl group at position 2 (the 2S,4R,6S stereoisomer). It is isolated from the marine derived fungus Chaetomium and has antiprotozoal activity.
Synonyms:exact_synonym: (2S,4R,6S)-4,7-dihydroxy-9-methoxy-2-methyl-3,4,5,6-tetrahydro-2H,8H-2,6-epoxyoxocino[3,2-b]xanthen-8-one
 related_synonym: Formula=C20H18O7;   InChI=1S/C20H18O7/c1-20-8-9(21)6-13(26-20)16-14(27-20)7-12-17(19(16)23)18(22)15-10(24-2)4-3-5-11(15)25-12/h3-5,7,9,13,21,23H,6,8H2,1-2H3/t9-,13+,20+/m1/s1;   InChIKey=PYEDKAHYOPGAKC-PDXJJUDESA-N;   SMILES=[H][C@]12C[C@@H](O)C[C@](C)(Oc3cc4oc5cccc(OC)c5c(=O)c4c(O)c13)O2
 xref: PMID:18683985;   Reaxys:19305737

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  CHEBI ontology 0
    role 0
      biological role 0
        biochemical role 0
          metabolite 0
            chaetoxanthone A 0
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Term Annotations click to browse term
  CHEBI ontology 0
    subatomic particle 0
      composite particle 0
        hadron 0
          baryon 0
            nucleon 0
              atomic nucleus 0
                atom 0
                  main group element atom 0
                    p-block element atom 0
                      carbon group element atom 0
                        carbon atom 0
                          organic molecular entity 0
                            heteroorganic entity 0
                              organochalcogen compound 0
                                organooxygen compound 0
                                  carbonyl compound 0
                                    ketone 0
                                      cyclic ketone 0
                                        chaetoxanthone A 0
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