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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1062878Generated: November 2, 2026

Ethyl Acetate → HCID 10279403, compound

https://huagongshe.com/reaction/1062878

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl AcetateHCID 8857—
ReactantCesium carbonateHCID 10796—
ReactantBromomethylcyclopropaneHCID 81503—
ReactantHCID 135547859HCID 135547859—
SolventAcetonitrileHCID 6342—
ProductHCID 10279403HCID 1027940361%

Reaction Steps

To a solution of 4[5-chloro-3-[2-(cyclopentylamino)-4-pyrimidinyl]-7-(cyclopropylamino)pyrazolo[1,5-a]pyridin-2-yl]phenol (110 mg, 0.24 mmol) in acetonitrile was added bromomethyl cyclopropane (96 mg, 0.72 mmol) and cesium carbonate (85 mg, 0.26 mmol). The reaction mixture was heated at reflux for 6 hours. After cooling to room temperature, ethyl acetate was added to the reaction mixture. The organic phase was washed with water and brine, then dried over magnesium sulfate. Filtration and concentration, followed by flash chromatography (2:5 hexanes/ethyl acetate), gave 5-chloro-3-[2-(cyclopentylamino)-4-pyrimidinyl]-N-cyclopropyl-2-[4-(cyclopropylmethoxy)phenyl]pyrazolo[1,5-a]pyridin-7-amine (75 mg, 61%) as a yellow solid. 1H NMR (CDCl3) δ 7.97 (d, 1H), 7.90 (s, 1H), 7.50 (d, 2H), 6.95 (d, 2H), 6.38 (s, 1H), 6.32 (d, 1H), 6.28 (d, 1H), 5.13 (d, 1H), 4.36 (m, 1H), 3.85 (d, 2H), 2.64 (m, 1H), 2.10 (m, 2H), 1.80-1.66 (m, 4H), 1.55 (m, 2H), 1.30 (m, 1H), 0.88 (m, 2H), 0.74 (m, 2H), 0.66 (m, 2H), 0.39 (m, 2H). MS m/z 515 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06962914B2
Source datasetuspto-grants-2005_11
ORD IDord-af0426299b1d458a97ad770aa4228da3
Source noteuspto-grants-2005_11