Efficient metal-catalyzed direct benzylation and allylic alkylation of 2,4-pentanediones |
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| Authors: | Rueping Magnus Nachtsheim Boris J Kuenkel Alexander |
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| Institution: | Degussa Endowed Professorship, Institute of Organic Chemistry & Chemical Biology, Johann-Wolfgang Goethe University Frankfurt am Main, Max-von-Laue-Str. 7, D-60438 Frankfurt, Germany. m.rueping@chemie.uni-frankfurt.de |
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| Abstract: | reaction: see text] A highly effective metal-catalyzed benzylation and allylic alkylation of 2,4-pentanediones has been developed. This new bismuth-catalyzed direct carbon-carbon bond forming reaction provides the corresponding monoalkylated dicarbonyl compounds in high yields after short reaction times using the lowest amounts of catalyst (1 mol %) and the free alcohol. In addition, a new route to substituted indenes is presented. |
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