반응 #470420

반응 방정식

4′,7-Dihydroxyisoflav-3-ene

p-toluidine

ethanol

Formaldehyde

→

title compound

수율 22.0%

4-(3-p-Tolyl-2,3,4,8-tetrahydrochromeno[6,7-e][1,3]oxazin-7-yl)phenol

수율 22.0%

반응 조건

후처리

1. 1
   기타The resulting precipitate was collected

실험 절차

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%).

출처