Regioselective desymmetrization of diaryltetrahydrofurans via directed ortho-lithiation: an unexpected help from green chemistry
作者:Valentina Mallardo、Ruggiero Rizzi、Francesca C. Sassone、Rosmara Mansueto、Filippo M. Perna、Antonio Salomone、Vito Capriati
DOI:10.1039/c4cc03149k
日期:——
ortho-Lithiation/functionalization of diaryltetrahydrofurans proceeds well with t-BuLi both in Et2O and cyclopentyl methyl ether and, remarkably, also in protic eutectic mixtures.