Iron and Manganese Catalysts for the Selective Functionalization of Arene C(sp<sup>2</sup>
)−H Bonds by Carbene Insertion
作者:Ana Conde、Gerard Sabenya、Mònica Rodríguez、Verònica Postils、Josep M. Luis、M. Mar Díaz-Requejo、Miquel Costas、Pedro J. Pérez
DOI:10.1002/anie.201601750
日期:2016.5.23
(N2CHCO2Et) catalyzed by Mn‐ or Fe‐based complexes in a completely selective manner are reported, with no formation of the frequently observed cycloheptatriene derivatives through competing Buchner reaction. The best catalysts are FeII or MnII complexes bearing the tetradentate pytacn ligand (pytacn= 1‐(2‐pyridylmethyl)‐4,7‐dimethyl‐1,4,7‐triazacyclononane). When using alkylbenzenes, the alkylic C(sp3)−H