Directed regioselective <i>ortho</i>,<i>ortho</i>′-magnesiations of aromatics and heterocycles using <i>s</i>Bu<sub>2</sub>Mg in toluene
Andreas Hess, Jan P. Prohaska, Sabrina B. Doerrich, Florian Trauner, Ferdinand H. Lutter, Sébastien Lemaire, Simon Wagschal, Konstantin Karaghiosoff, Paul Knochel
Abstract
A toluene solution of <italic>s</italic>Bu<sub>2</sub>Mg allowed a regioselective <italic>ortho</italic>-magnesiation of aromatic and heterocyclic systems. A second <italic>ortho</italic>,<italic>ortho</italic>′-functionalization was achieved in the case of aryl oxazolines, <italic>N</italic>-aryl pyrazoles as well as <italic>N</italic>-aryl triazoles.
Topics & Concepts
RegioselectivityTolueneChemistryMedicinal chemistryComputational chemistryOrganic chemistryStereochemistryCatalysisCoordination Chemistry and OrganometallicsCatalytic C–H Functionalization MethodsSynthesis of heterocyclic compounds