Nonpolar Solvent a Key for Highly Regioselective S<sub>N</sub>Ar Reaction in the Case of 2,4-Difluoronitrobenzene
作者:Suresh Kumar Sythana、Surendra R. Naramreddy、Santosh Kavitake、Vinod Kumar CH.、Pundlik R. Bhagat
DOI:10.1021/op500120z
日期:2014.7.18
A practical and highly regioselective aromatic nucleophilic substitution reaction for the substrate 2,4-difluoronitrobenzene is demonstrated with various O/S/N-nucleophiles. Solvent screens substantiate the role of a nonpolar solvent in ortho-selective nucleophilic substitution through a six-membered polar transition state.