Three-component reaction of aldehydes, α-haloketones and benzoylacetonitrile and Michael addition of benzoylacetonitrile to chalcones both promoted by samarium triiodide : two routes for preparation of 1-benzoyl-1-cyan'o-2-aryl-3-aroylpropane derivatives

Department of Chemistry, Zhejiang University (Campus Xixi), Hangzhou, 310028, P. R.China

E-mail : yminzhang@mail.hz.zj.cn                           Fax : 86-571-8807077

Laboratory of Organometallic Chemistry, Chinese Academy of Sciences, Shanghai, 200032, P. R.China

Manuscript received 17 August 2001, accepted 16 October 2001

Two methods are described for preparation of 1-benzoy1-1-cyano-2-aryl-3-aroylpropane derivatives via three-component re­action of aldehydes, α-haloketones and benzoylacetonitrile or via Michael addition of benzoylacetonitrile to chalcones pro­moted by samarium triiodide.