Dimethylformamide → HCID 46913234, 화합물

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10.0 g of (S)-3-methoxymethylamino-1-(2-thienyl)propan-1-ol from example 2 was dissolved in 30 mL of N,N-dimethylformamide at ambient temperature, to which was added sodium hydride (3.9 g, 60%) with vigorous stirring. Then, 9.4 g of 1-fluoronaphthalene was added and the mixture was stirred at 70° C. for 8 hours. Upon completion of naphthalenation, the reaction mixture was quenched with water (90 mL). After extraction with toluene (30 mL×3), the organic layer was combined and concentrated. Subsequently, the crude product was purified by silica gel column chromatography to give objective compound as an amber oil (13.5 g, 82.8%). 1H NMR (400 MHz, CDCl3) δ (ppm)=2.3 (m, 1H), 2.5 (m, 1H), 2.6 (s, 3H), 2.9 (t, 2H), 3.5 (s, 3H), 5.8 (m, 1H), 6.8 (m, 1H), 6.9 (d, 1H), 7.0 (s, 1H), 7.2 (d, 1H), 7.3 (m, 1H), 7.4 (d, 1H) 7.5 (m, 2H), 7.8 (d, 1H), 8.3 (d, 1H).

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