Chemoselective Synthesis of β-Ketophosphonates Using Lithiated α-(Trimethylsilyl)methylphosphonate
2015
Specklin, Simon | Cossy, Janine
A highly chemoselective synthesis of β-ketophosphonates from pentafluorophenyl esters and lithiated methyl α-(trimethylsilyl)methylphosphonate has been developed. This mild lithiated phosphonate reagent allows the synthesis of functionalized β-ketophosphonates in the presence of unactivated esters with high yields. This method has been compared with the standard lithiated methylphosphonate reagent.
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