Send us a Message



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

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:annulene
go back to main search page
Accession:CHEBI:33662 term browser browse the term
Definition:A mancude monocyclic hydrocarbon without side chains of the general formula CnHn (n is an even number) or CnHn+1 (n is an odd number). In systematic nomenclature an annulene with seven or more carbon atoms may be named [n]annulene, where n is the number of carbon atoms.
Synonyms:exact_synonym: annulenes


show annotations for term's descendants           Sort by:
 





Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 19761
    chemical entity 19761
      group 19678
        polyatomic entity 19677
          molecule 19523
            cyclic compound 19355
              homocyclic compound 18296
                carbocyclic compound 18296
                  cyclic hydrocarbon 17087
                    monocyclic hydrocarbon 5815
                      annulene 5641
                        antiaromatic annulene + 0
                        aromatic annulene + 5641
                        cyclohepta-1,3,5-triene + 5
Path 2
Term Annotations click to browse term
  CHEBI ontology 19761
    subatomic particle 19759
      composite particle 19759
        hadron 19759
          baryon 19759
            nucleon 19759
              atomic nucleus 19759
                atom 19759
                  main group element atom 19653
                    main group molecular entity 19653
                      s-block molecular entity 19418
                        hydrogen molecular entity 19411
                          hydrides 18751
                            organic hydride 18352
                              organic fundamental parent 18352
                                hydrocarbon 18071
                                  cyclic hydrocarbon 17087
                                    monocyclic hydrocarbon 5815
                                      annulene 5641
                                        antiaromatic annulene + 0
                                        aromatic annulene + 5641
                                        cyclohepta-1,3,5-triene + 5
paths to the root