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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:39959 term browser browse the term
Definition:A triazolopyrazine that is a rigid cyclohexylamine analogue of sitagliptin.
Synonyms:related_synonym: Formula=C18H19F6N5;   InChI=1S/C18H19F6N5/c19-12-7-14(21)13(20)6-11(12)10-2-1-9(5-15(10)25)28-3-4-29-16(8-28)26-27-17(29)18(22,23)24/h6-7,9-10,15H,1-5,8,25H2/t9-,10+,15-/m0/s1;   InChIKey=CNKRZILQBKJWDS-WMFXKJRFSA-N;   SMILES=[H][C@@]1(CC[C@@]([H])([C@@H](N)C1)c1cc(F)c(F)cc1F)N1CCn2c(C1)nnc2C(F)(F)F
 xref: Beilstein:11103093;   PDBeChem:417;   PMID:17433672;   Reaxys:11103093

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Term Annotations click to browse term
  CHEBI ontology 19816
    role 19764
      biological role 19764
        xenobiotic 18413
          sitagliptin 0
            (1S,2R,5S)-5-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-2-(2,4,5-trifluorophenyl)cyclohexanamine 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19816
    subatomic particle 19814
      composite particle 19814
        hadron 19814
          baryon 19814
            nucleon 19814
              atomic nucleus 19814
                atom 19814
                  main group element atom 19702
                    p-block element atom 19702
                      carbon group element atom 19608
                        carbon atom 19597
                          organic molecular entity 19597
                            organic molecule 19522
                              organic cyclic compound 19320
                                carbocyclic compound 18222
                                  benzenoid aromatic compound 17254
                                    benzenes 17010
                                      fluorobenzenes 1649
                                        trifluorobenzene 7
                                          sitagliptin 0
                                            (1S,2R,5S)-5-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-2-(2,4,5-trifluorophenyl)cyclohexanamine 0
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RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.