2140301-97-7
Chemical Structure
Ritlecitinib malonate
Synonym(s): PF-06651600 malonate
- CAS No.: 2140301-97-7
- Formula:C18H23N5O5
- Molecular Weight:389.41
IUPAC Name: 1-((2S,5R)-5-((7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)-2-methylpiperidin-1-yl)prop-2-en-1-one malonate
InChIKey: QMPMPSGDPRHZCG-VZXYPILPSA-N
SMILES: OC(CC(O)=O)=O.C=CC(N1[C@@H](C)CC[C@@H](NC2=C3C(NC=C3)=NC=N2)C1)=O
Biological Activity: Ritlecitinib (PF-06651600) malonate is a highly selective, orally active, irreversible covalent JAK3 inhibitor (IC50=33 nM) without inhibitory activity towards JAK1, JAK2, and TYK2 (IC50 >10 μ M). Ritlecitinib malonate rapidly inactivates the JAK3 kinase, and blocks signaling and downstream STAT phosphorylation mediated by common gamma chain cytokines such as IL-2 and IL-15. Ritlecitinib malonate can inhibit Th1/Th17 cell differentiation and function, and effectively suppress preclinical animal models such as alopecia areata, adjuvant-induced arthritis (AIA), and experimental autoimmune encephalomyelitis (EAE)[1][2][3].
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Ritlecitinib malonate | Ritlecitinib (PF-06651600) malonate is a highly selective, orally active, irreversible covalent JAK3 inhibitor (IC50=33 nM) without inhibitory activity towards JAK1, JAK2, and TYK2 (IC50 >10 μ M). Ritlecitinib malonate rapidly inactivates the JAK3 kinase, and blocks signaling and downstream STAT phosphorylation mediated by common gamma chain cytokines such as IL-2 and IL-15. Ritlecitinib malonate can inhibit Th1/Th17 cell differentiation and function, and effectively suppress preclinical animal models such as alopecia areata, adjuvant-induced arthritis (AIA), and experimental autoimmune encephalomyelitis (EAE). | |||||||||||||||||||||
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References
- [1]. Thorarensen A, et al. Design of a Janus Kinase 3 (JAK3) Specific Inhibitor 1-((2 S, 5 R)-5-((7 H-Pyrrolo [2, 3-d] pyrimidin-4-yl) amino)-2-methylpiperidin-1-yl) prop-2-en-1-one (PF-06651600) Allowing for the Interrogation of JAK3 Signaling in Humans. Journal of medicinal chemistry, 2017, 60(5): 1971-1993.
- [2]. Telliez JB, et al. Discovery of a JAK3-Selective Inhibitor: Functional Differentiation of JAK3-Selective Inhibition over pan-JAK or JAK1-Selective Inhibition. ACS Chem Biol. 2016 Dec 16;11(12):3442-3451. [Content Brief]
