Radical Arylation of Phenols, Phenyl Ethers, and Furans
作者:Alexander Wetzel、Gerald Pratsch、Roman Kolb、Markus R. Heinrich
DOI:10.1002/chem.200902927
日期:2010.2.22
efficient, and cost‐effective new access to diversely functionalized biphenyl alcohols and ethers. Free phenolic hydroxy groups, aromatic and aliphatic amines, as well as amino acid substructures, are well tolerated. Two examples for the applicability of the methodology are the partialsynthesis of a β‐secretase inhibitor and the synthesis of a calcium‐channel modulator.
Visible-Light-Induced, Catalyst-Free Radical Arylations of Arenes and Heteroarenes with Aryldiazonium Salts
作者:Michael C. D. Fürst、Eva Gans、Michael J. Böck、Markus R. Heinrich
DOI:10.1002/chem.201703954
日期:2017.11.2
photocatalyst and other additives, the radical arylation of diverse arenes and heteroarenes has been achieved with aryldiazonium salts under visible‐light irradiation from a blue light‐emitting diode (LED). Although the course of some reactions can be rationalized by the formation of strongly light‐absorbing charge‐transfer (CT) complexes between the diazonium ion and the aromatic substrate, several