Efficient metal-catalyzed direct benzylation and allylic alkylation of 2,4-pentanediones.

@article{Rueping2007EfficientMD,
  title={Efficient metal-catalyzed direct benzylation and allylic alkylation of 2,4-pentanediones.},
  author={Magnus Rueping and Boris J Nachtsheim and Alexander Kuenkel},
  journal={Organic letters},
  year={2007},
  volume={9 5},
  pages={825-8}
}
[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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