Diethyl Ether → (4-Chloroquinolin-7-yl)methanol

関与物質

反応条件

反応手順

7-Methyloxycarbonyl-4-chloroquinoline (2.1 g, 9.5 mmol) is dissolved in anhydrous THF (25 mL) and anhydrous ether (200 mL). The solution is cooled in a dry ice/acetone bath and treated 1 M lithium aluminum hydride in THF (11.0 mL, 11 mmol). The solution is warmed (approximately −45° C.) for 20 min. and quenched with ethyl acetate. The solution is diluted with ether (100 mL) and treated with water (36 mL), 15% NaOH (36 mL) and water (3×36 mL) in succession. The mixture is filtered and evaporated to yield the title compound as a residue (2.0 g, 9.7 mmol) which is dried under vacuum and used without further purification. MS m/z: M+=193; 1H NMR (CDCl3, 300 MHz) δ0.00, 8.65 (d, 1H), 8.15 (d, 1H), 8.0 (d, 1H), 7.6 (d, 1H), 7.45 (d, 1H), 4.8 (s, 2H).

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