Dimethyl Sulfoxide → 6-{[(4-chloro-phenyl)-methyl-amino]-methyl}-7-(2,2-dimethyl-propyl)-7H-pyrrolo[2,3-d]pyrimidine-2-carbonitrile

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To a solution of 6-bromomethyl-7-(2,2-dimethyl-propyl)-7H-pyrrolo[2,3-d]pyrimidine-2-carbonitrile (1 mmol) in DMF (or DMSO) (5 ml) are added 4-chloro-N-methylaniline (1.2 mmol) and potassium carbonate (2.4 mmol). The mixture is heated at 50° C. for 13 h. The reaction mixture is diluted with AcOEt, washed with water and brine, dried over sodium sulfate and concentrated. The crude product is purified by HPLC (n-hexane:AcOEt) to give the product in 27% yield. Rf=0.69(n-hexane:AcOEt=1:1). 1H NMR(400 MHz, CDCl3) δ 1.06(s, 9H), 3.03(s, 3H), 4.13(s, 2H), 4.71(s, 2H), 6.40(s, 1H), 6.62-6.69(m, 2H), 7.17-7.23(m, 2H), 8.84(s, 1H).

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