MedKooCat#:200811
Name:Tofacitinib
CAS#:477600-75-2(freebase)
ChemicalFormula:C16H20N6O
ExactMass:312.16986
MolecularWeight:312.37
ElementalAnalysis:C,61.52;H,6.45;N,26.90;O,5.12
RelatedCAS#:540737-29-9(citrate) 477600-75-2(freebase)
Synonym:TofacitinibfreebaseCP690550;CP-690550;CP690550;Tofacitinib;tasocitinib.TradenameXeljanz
IUPAC/ChemicalName:3-((3R,4R)-4-Methyl-3-(methyl(7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)piperidin-1-yl)-3-oxopropanenitrile
InChiKey:UJLAWZDWDVHWOW-YPMHNXCESA-N
InChiCode:InChI=1S/C16H20N6O/c1-11-5-8-22(14(23)3-6-17)9-13(11)21(2)16-12-4-7-18-15(12)19-10-20-16/h4,7,10-11,13H,3,5,8-9H2,1-2H3,(H,18,19,20)/t11-,13+/m1/s1
SMILESCode:N#CCC(N1C[C@H](N(C)C2=C3C(NC=C3)=NC=N2)[C@H](C)CC1)=O
Itisaninhibitoroftheenzymejanuskinase3(JAK3),whichmeansthatitinterfereswiththeJAK-STATsignalingpathway,whichtransmitsextracellularinformationintothecellnucleus,influencingDNAtranscription.RecentlyithasbeenshowninamurinemodelofestablishedarthritisthattofacitinibrapidlyimproveddiseasebyinhibitingtheproductionofinflammatorymediatorsandsuppressingSTAT1-dependentgenesinjointtissue.ThisefficacyinthisdiseasemodelcorrelatedwiththeinhibitionofbothJAK1and3signalingpathways,suggestingthattofacitinibmayexerttherapeuticbenefitviapathwaysthatarenotexclusivetoinhibitionofJAK3.
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