Chemical Component Summary

Name(8alpha,10alpha,13alpha)-6-methylideneandrosta-1,4-diene-3,17-dione
SynonymsExemestane; aromasin
Identifiers(8R,9S,10R,13S,14S)-10,13-dimethyl-6-methylidene-7,8,9,11,12,14,15,16-octahydrocyclopenta[a]phenanthrene-3,17-dione
FormulaC20 H24 O2
Molecular Weight296.403
TypeNON-POLYMER
Isomeric SMILESC[C@]12CC[C@H]3[C@H]([C@@H]1CCC2=O)CC(=C)C4=CC(=O)C=C[C@]34C
InChIInChI=1S/C20H24O2/c1-12-10-14-15-4-5-18(22)20(15,3)9-7-16(14)19(2)8-6-13(21)11-17(12)19/h6,8,11,14-16H,1,4-5,7,9-10H2,2-3H3/t14-,15-,16-,19+,20-/m0/s1
InChIKeyBFYIZQONLCFLEV-DAELLWKTSA-N

Chemical Details

Formal Charge0
Atom Count46
Chiral Atom Count5
Bond Count49
Aromatic Bond Count0

Drug Info: DrugBank

DrugBank IDDB00990 
NameExemestane
Groups
  • approved
  • investigational
DescriptionExemestane is an oral steroidal aromatase inhibitor used in the adjuvant treatment of hormonally-responsive (also called hormone-receptor-positive, estrogen-responsive) breast cancer in postmenopausal women. It irreversibly binds to the active site of the enzyme resulting in permanent inhibition.
Synonyms
  • 6-methyleneandrosta-1,4-diene-3,17-dione
  • Exemestane
  • Exemestano
  • Exemestanum
Brand Names
  • Apo-exemestane
  • Exemestane
  • Mylan-exemestane
  • Gd-exemestane
  • Teva-exemestane
IndicationFor the treatment of advanced breast cancer in postmenopausal women whose disease has progressed following tamoxifen therapy.
Categories
  • Androstanes
  • Androstenes
  • Antineoplastic Agents
  • Antineoplastic and Immunomodulating Agents
  • Aromatase Inhibitors
ATC-CodeL02BG06
CAS number107868-30-4

Drug Targets

NameTarget SequencePharmacological ActionActions
Cytochrome P450 19A1MVLEMLNPIHYNITSIVPEAMPAATMPVLLLTGLFLLVWNYEGTSSIPGP...unknowninhibitor
Cytochrome P450 19A1MVLEMLNPIHYNITSIVPEAMPAATMPVLLLTGLFLLVWNYEGTSSIPGP...unknowninhibitor
Cytochrome P450 3A4MALIPDLAMETWLLLAVSLVLLYLYGTHSHGLFKKLGIPGPTPLPFLGNI...unknownsubstrate
Drug Info/Drug Targets: DrugBank 3.0: a comprehensive resource for 'omics' research on drugs. Knox C, Law V, Jewison T, Liu P, Ly S, Frolkis A, Pon A, Banco K, Mak C, Neveu V, Djoumbou Y, Eisner R, Guo AC, Wishart DS. Nucleic Acids Res. 2011 Jan; 39 (Database issue):D1035-41. | PMID:21059682

Related Resource References

Resource NameReference
Pharos CHEMBL1200374
PubChem 60198
ChEMBL CHEMBL1200374
ChEBI CHEBI:4953
CCDC/CSD PEKFAN, PEKFAN02, KURBOR, BUBCOT, PEKFAN01
COD 1556731, 1556730