Réaction #470415

Équation de réaction

4′,7-Dihydroxyisoflav-3-ene

4-aminophenol

ethanol

Formaldehyde

→

title compound

Rendement 79.0%

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

Rendement 79.0%

Conditions de réaction

Traitement

1. 1
   AutreThe resulting precipitate was collected

Mode opératoire

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%).

Source