反应详情

4′,7-Dihydroxyisoflav-3-ene (499 mg, 2.08 mmol) and p-toluidine (290 mg, 2.71 mmol) were dissolved in ethanol (8 ml). Formaldehyde solution (2 ml, 0.03 mol, 37% wt) was added and the reaction stirred at room temperature for 2 days. The resulting precipitate was collected to afford the title compound (167 mg, 22%).

1. customThe resulting precipitate was collected