反应详情

The title compound was prepared following the procedures described for Reference Example 5 substituting 2,3-dihydrofuran-2-carboxylic acid with chromane-2-carboxylic acid at Step A and potassium tert-butoxide in tetrahydrofuran with potassium hexamethyldisilazide (0.5 M in toluene) at Step B. 1H NMR (500 MHz, CD3OD): δ 7.07 (t, 1H), 7.03 (d, 1H), 6.82 (m, 2H), 2.75 (m, 2H), 2.40 (m, 1H), 1.80 (m, 1H), 1.60 (s, 3H).