Ethyl Acetate → HCID 9806292, compound

Participants

Reaction Steps

To a solution of 3-{7-(cyclopentylamino)-3-[2-(cyclopentylamino)-4-pyrimidinyl]pyrazolo[1,5-a]pyridin-2-yl}phenol (400 mg, 0.88 mmol) in acetonitrile (80 mL) was added cesium carbonate (315 mg, 0.97 mmol) and (bromomethyl)-cyclopropane (0.26 mL, 2.64 mmol). The reaction mixture was heated at reflux for 6 hours. After the reaction was cooled to room temperature, ethyl acetate was added and the organic phase was washed with water, brine and dried over magnesium sulfate. Filtration and concentration followed by purification with silica gel chromatography (3:2 hexanes/ethyl acetate) gave N-cyclopentyl-3-[2-(cyclopentylamino)-4-pyrimidinyl]-2-[3-(cyclopropylmethoxy)phenyl]pyrazolo[1,5-a]pyridin-7-amine (320 mg, 71%) as yellow solid. 1H NMR (CDCl3): δ 7.97 (d, 1H), 7.78 (d, 1H), 7.33 (m, 2H), 7.18 (m, 2H), 6.98 (m, 1H), 6.30 (d, 1H), 6.02 (m, 2H), 5.08 (d, 1), 4.35 (m, 1H), 3.99 (m, 1H), 3.80 (d, 2H), 2.014 (m, 4H), 1.83–1.55 (m, 12H), 1.22 (m, 1H), 0.61 (m, 2H), 0.35 (m, 2H). MS m/z 509 (M+1).

Provenance & Evidence