Send us a Message

Submit Data |  Help |  Video Tutorials |  News |  Publications |  Download |  REST API |  Citing RGD |  Contact   


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.

go back to main search page
Accession:CHEBI:142640 term browser browse the term
Definition:A member of the class of nectriapyrones that is pyran-2-one which is substituted at positions 3, 4, and 6 by methyl, hydroxy, and but-2-en-2-yl groups, respectively in which the butenyl substituent has E configuration.
Synonyms:exact_synonym: 6-[(2E)-but-2-en-2-yl]-4-hydroxy-3-methyl-2H-pyran-2-one
 related_synonym: Formula=C10H12O3;   InChI=1S/C10H12O3/c1-4-6(2)9-5-8(11)7(3)10(12)13-9/h4-5,11H,1-3H3/b6-4+;   InChIKey=OBAWNXJOHPSFMJ-GQCTYLIASA-N;   SMILES=C=1(C=C(OC(C1C)=O)/C(/C)=C/C)O;   demethylnectriapyrone
 xref: PMID:30443971

show annotations for term's descendants           Sort by:

Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 0
    chemical entity 0
      molecular entity 0
        polyatomic entity 0
          heteroatomic molecular entity 0
            hydroxides 0
              organic hydroxy compound 0
                desmethylnectriapyrone 0
                  nectriapyrone + 0
Path 2
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
                            organic group 0
                              organic divalent group 0
                                organodiyl group 0
                                  carbonyl group 0
                                    carbonyl compound 0
                                      carboxylic ester 0
                                        lactone 0
                                          delta-lactone 0
                                            2-pyranones 0
                                              nectriapyrones 0
                                                desmethylnectriapyrone 0
                                                  nectriapyrone + 0
paths to the root