Under basic conditions (lithium diisopropylamide or sodium hydride in THF) 2-(2-bromoethoxy)-acetophenones were transformed to 3,4-dihydro[1]benzoxepin-5(2H)-ones (homochromanones) in high yields. ...
在碱性条件下(THF 中的
二异丙基氨基
锂或氢化
钠),2-(2-
溴乙氧基)-
苯乙酮以高产率转化为 3,4-二氢[1] 苯并氧杂-5(2H)-酮(高色满酮)。...