Convenient synthesis of 2-substituted-6 or 7-acylated-1,4-benzodioxin or 2,3-dihydro-1,4-benzodioxin derivatives
作者:Valérie Thiéry、Gérard Coudert、Luc Morin-Allory、Gérald Guillaumet
DOI:10.1016/0040-4020(95)00010-6
日期:1995.2
The Friedel-Crafts acylation of 2-substituted-1,4-benzodioxin derivatives provides regioselectively the 6-acyl compounds. The same reaction with the saturated analogs affords two regioisomers with the 7-acyl compounds as the main products.
2-取代的1,4-苯并二恶英衍生物的弗里德-克来福特酰化提供了区域选择性的6-酰基化合物。与饱和类似物的相同反应得到两种以7-酰基化合物为主要产物的区域异构体。