反应详情

The title compound was prepared by Method D using 3-amino-4-hydroxy-6-phenyl-2H-pyran-2-one hydrochloride (0.250 g, 1.04 mmol), 1% acetic acid in dimethylformamide (10 mL), 2-naphthaldehyde (0.407 g, 2.60 mmol), sodium cyanoborohydride (0.164 g, 2.60 mmol). m.p. dec. 209; 1H NMR (250 MHz, DMSO-d6) δ4.46 (s, 4 H), 6.38 (s, 1 H), 7.44 (m, 8H), 7.77 (m, 13H).