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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.

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Accession:CHEBI:132186 term browser browse the term
Definition:A spermidine alkaloid that is isolated from Maytenus heterophylla and Maytenus senegalensis.
Synonyms:exact_synonym: (2S)-2-phenyl-9-[(2E)-3-phenylprop-2-enoyl]-1,5,9-triazacyclotridecan-4-one
 related_synonym: (S)-celacinnine;   Formula=C25H31N3O2;   InChI=1S/C25H31N3O2/c29-24-20-23(22-12-5-2-6-13-22)26-16-7-8-18-28(19-9-17-27-24)25(30)15-14-21-10-3-1-4-11-21/h1-6,10-15,23,26H,7-9,16-20H2,(H,27,29)/b15-14+/t23-/m0/s1;   InChIKey=OROFOUPCOTVAJQ-NSFRLNINSA-N;   SMILES=C1C(NCCCN(CCCCN[C@@H]1C=2C=CC=CC2)C(/C=C/C=3C=CC=CC3)=O)=O
 xref: CAS:53938-05-9;   PMID:22470236;   PMID:26487315;   PMID:6452921;   Reaxys:4720682

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Path 1
Term Annotations click to browse term
  CHEBI ontology 21727
    role 21705
      biological role 21703
        biochemical role 20925
          metabolite 20878
            alkaloid 5696
              spermidine alkaloid 0
                celacinnine 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 21727
    subatomic particle 21713
      composite particle 21713
        hadron 21713
          baryon 21713
            nucleon 21713
              atomic nucleus 21713
                atom 21713
                  main group element atom 21629
                    p-block element atom 21629
                      carbon group element atom 21434
                        carbon atom 21334
                          organic molecular entity 21334
                            organic group 19894
                              organic divalent group 19881
                                organodiyl group 19881
                                  carbonyl group 19864
                                    carbonyl compound 19864
                                      carboxylic acid 19163
                                        carboacyl group 17986
                                          univalent carboacyl group 17986
                                            carbamoyl group 17750
                                              carboxamide 17750
                                                alpha,beta-unsaturated carboxylic acid amide 6548
                                                  enamide 6548
                                                    celacinnine 0
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