Abstract
Since 1900, free radical reaction has been widely applied to organic synthesis; especially the radical cyclization to unsaturated bonds has become very useful and valuable. In recent decades, oxidative free radical reactions of 1,3-dicabonyl compounds containing unsaturated system with transition metal salts (Mn3+，Co2+，Ce4+ etc.) have been taken serious, and the efficiency of manganese acetate [Mn(OAc)3∙2H2O] is particularly outstanding. This thesis is divided into two parts: (1) 3-Acyl-2-quinolinone can be synthesized by the oxidative free radical reaction of N-(2’-stilbenyl)-2-acylacetamide derivatives with excess manganese acetate (III) in 1,2-dichloroethane. (2) The oxidative free radical reactions of N-(2’-stilbenyl)- 2-acylacetamide derivatives with catalytic amount manganese acetate (III)，excess cobalt acetate (II) and oxygen produce 3-acyl-2-quinolinone effectively.
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