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With di-isopropyl azodicarboxylate; triphenylphosphine; In tetrahydrofuran; at 20.0℃; for 3h;
6-Chloroquinoiin-3-ol (0.15 g, 0.84 mmol), N-(2-hydroxyethyl)morp oline (0. L53 mL, 1.25 mmol), triphenylphosphine (0.329 g, 1.25 mmol) and DIAD (0.24 mL, 1.3 mmol) were stirred in THF (4 mL) at r.t. for 3 hours. The solvent was removed in vacuo while loading onto silica. Purification of the residue by flash chromatography (MPLC, 0-10% MeOH-DCM) followed by flash chromatography (MPLC, 0-10% MeOH-EtOAc) gave 6-chloro-3-(2- morpholin-4-ylethoxy)quinoline as a white solid.LRMS (ESI) calc'd for C1 H-1-8C1N202 [M+H]+: 293, Found: 293.
-6-Chloroquinolin-3-ol (0.15 g, 0.84 mmol) was taken up in THF (4 mL) and NaH (0.037 g, 0.92 mmol) was added. After stirringior 15 minutes, iodoethane (0.074 mL, 0.92 mmol) was added and the resulting.mixture stirred at r.t. for 1 hour. DMF (1 mL) was added to aid solubility and stirring at r.t. continued overnight. The solvent was removed in vacuo while loading onto silica.and the residue purified by flash chromatography (MPLC, 12-100% EtOAc- Hexanes) to give 6-chloro-3-ethoxyquinoline as a white solid.LRMS (ESI) calc'd for CI 1H11C1NO [M+H]+: 208, 210, Found: 208, 210