| Identification | Back Directory | [Name]
1H-Pyrazolo[3,4-b]pyrazine-3-carbonitrile, 1-[(1R)-1-(2,4-dichlorophenyl)ethyl]-6-[3-[(3R)-1-(2-hydroxyethyl)-3-piperidinyl]-1-azetidinyl]- | [CAS]
2174938-70-4 | [Synonyms]
CCR4 antagonist 3
1H-Pyrazolo[3,4-b]pyrazine-3-carbonitrile, 1-[(1R)-1-(2,4-dichlorophenyl)ethyl]-6-[3-[(3R)-1-(2-hydroxyethyl)-3-piperidinyl]-1-azetidinyl]- | [Molecular Formula]
C24H27Cl2N7O | [MOL File]
2174938-70-4.mol | [Molecular Weight]
500.42 |
| Chemical Properties | Back Directory | [Boiling point ]
696.6±55.0 °C(Predicted) | [density ]
1.49±0.1 g/cm3(Predicted) | [storage temp. ]
4°C, away from moisture | [solubility ]
DMSO : 190 mg/mL (379.68 mM; Need ultrasonic) | [form ]
Solid | [pka]
15.00±0.10(Predicted) | [color ]
Light yellow to yellow |
| Hazard Information | Back Directory | [Biological Activity]
CCR4 antagonist 3 is an orally active, potent and selective CCR4 antagonist. CCR4 antagonist 3, featuring a novel piperidinyl-azetidine motif, has IC50s of 22 nM and 50 nM in the calcium flux and CTX assay. CCR4 antagonist 3 has antitumor activity[1].
CCR4 antagonist 3 (compound 38) shows no activity in a CYP450 induction assay[1]. CCR4 antagonist 3 inhibits the migration of mouse iTreg cells with an IC50 of 39 nM, while the IC50 in human iTreg cells is 33 nM[1].
CCR4 antagonist 3 (compound 38; 50 mg/kg; PO; daily; for 40 days) significantly reduces the tumor growth[1]. CCR4 antagonist 3 (0.5 mg/kg; IV) has low clearance (CL=10.2 mL/min/kg), medium volume of distribution (Vss=5.2 L/kg), a T1/2 of 6.9 h, and good bioavailability (%F = 29) of oral dosing in mouse[1]. CCR4 antagonist 3 has low clearance (CL=7.3 mL/min/kg), a half-life of 12.7 hr, and is 44% bioavailable in dog. CCR4 antagonist 3 has low clearance (CL=3.7 mL/min/kg), a long terminal half-life (10.7 hr), and good bioavailability (%F = 41) in cynomolgus monkey[1]. | [References]
[1]. Omar Robles, et al. Novel Piperidinyl-Azetidines as Potent and Selective CCR4 Antagonists Elicit Antitumor Response as Single Agent and in Combination with Checkpoint Inhibitors. J Med Chem. 2020 Jul 15. |
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