Synthesis of α-(Nitroaryl)benzylphosphonates via Oxidative Nucleophilic Substitution of Hydrogen in Nitroarenes
作者:Mieczysław Ma̧kosza、Daniel Sulikowski
DOI:10.1021/jo900204e
日期:2009.5.15
Carbanions of diethyl benzylphosphonate and diethyl 1-phenylethylphosphonate add to nitroarenes to form relatively long-lived σH adducts that can be oxidized to products of oxidativenucleophilicsubstitution of hydrogen. By variation of the conditions, o- and p-nitroarylated derivatives of the starting phosphonates can be synthesized regioselectively. It has been proven that addition of carbanions