Synthesis of Indoles and Pyrroles Utilizing Iridium Carbenes Generated from Sulfoxonium Ylides
作者:Janakiram Vaitla、Annette Bayer、Kathrin H. Hopmann
DOI:10.1002/anie.201610520
日期:2017.4.3
and regioselectivesynthesis of indoles and pyrroles. The tandem action of iridium and Brønsted acid catalysts enables rapid assembly of the heterocycles from unmodified anilines or readily accessible enamines under microwave irradiation. The key mechanistic steps are the catalytic transformation of the sulfoxonium ylide into an iridium–carbene complex, followed by N−H or C−H functionalization of an
Catalytic Synthesis of Substituted Indoles and Quinolines from the Dehydrative C–H Coupling of Arylamines with 1,2- and 1,3-Diols
作者:Hanbin Lee、Chae S. Yi
DOI:10.1021/acs.organomet.6b00273
日期:2016.6.13
The cationic ruthenium-hydride complex catalyzes the dehydrative C-H coupling reaction of arylamines with 1,2-diols to form the indole products. The analogous coupling of arylamines with 1,3-diols afforded the substituted, quinolines. The catalytic method directly forms these coupling products in a highly regioselective manner without generating any toxic byprodficts.