【摘要】 以间苯二酚和苯乙腈所制得的２，４－二羟基苯基苄基酮，与２－溴丙烷反应生成２－羟基－４－异丙氧基苯基苄基酮，后者在吗啉－醋酸存在下与原甲酸三乙酯反应，生成伊普黄酮，总收率５２％。更多还原

【Abstract】 The isopropylation of 2,4-dihydroxyphenyl benzyl ketone prepared from resorcinol and benzyl cyanide afforded 2-hydroxy-4-isopropoxyphenylbenzyl ketone,which heated with ethyl orthoformate.yielded the title compoundin 52% overall yield.更多还原