Indium(III) chloride catalyzed one step synthesis of some new dibenzo(d,f)(1,3)dioxepines and 12H-dibenzo(d,g)(1,3)dioxocin derivatives
作者:Graziella Tocco、Michela Begala、Giovanna Delogu、Carmen Picciau、Gianni Podda
DOI:10.1016/j.tetlet.2004.07.081
日期:2004.9
react quickly, without using any solvent, with ketones or β-keto esters possessing at least one hydrogen atom in α to the ketone-carbonyl group, to afford some new dibenzo(d,f)(1,3)dioxepines and some 12H-dibenzo(d,g)(1,3)dioxocin derivatives, respectively.
在催化量的氯化铟(III)(10 mol%)的存在下,2,2'-二羟基联苯和双(2-羟基苯基)甲烷在不使用任何溶剂的情况下迅速与酮或至少具有至少3,3-二氨基苯甲酸酯的反应在酮羰基的α中有一个氢原子,分别得到一些新的二苯并(d,f)(1,3)二氧杂环庚烷和12个H-二苯并(d,g)(1,3)二氧杂环丁烷衍生物。