反応 #470415

反応方程式

4′,7-Dihydroxyisoflav-3-ene

4-aminophenol

ethanol

Formaldehyde

→

title compound

収率 79.0%

4,4′-(Chromeno[6,7-e][1,3]oxazine-3,7(2H,4H,8H)-diyl)diphenol

収率 79.0%

反応条件

後処理

1. 1
   その他The resulting precipitate was collected

実験手順

4′,7-Dihydroxyisoflav-3-ene (509 mg, 2.12 mmol) and 4-aminophenol (307 mg, 2.81 mmol) were dissolved in ethanol (15 ml). Formaldehyde solution (2 ml, 0.03 mol, 37% wt.) was added and the reaction stirred at room temperature for 3 days. The resulting precipitate was collected to afford the title compound (178 mg, 79%).

出典