I(III)-Catalyzed Oxidative Cyclization–Migration Tandem Reactions of Unactivated Anilines
作者:Tianning Deng、Emily Shi、Elana Thomas、Tom G. Driver
DOI:10.1021/acs.orglett.0c03497
日期:2020.11.20
An I(III)-catalyzed oxidative cyclization–migration tandem reaction using Selectfluor as the oxidant was developed that converts unactivated anilines into 3H-indoles is reported herein. The reaction requires as little as 1 mol % of the iodocatalyst and is mild, tolerating pyridine and thiophene functional groups, and the dependence of the diastereoselectivity of the process on the identity of the iodoarene
Copper-Catalyzed Electrophilic Carbofunctionalization of Alkynes to Highly Functionalized Tetrasubstituted Alkenes
作者:Marcos G. Suero、Elliott D. Bayle、Beatrice S. L. Collins、Matthew J. Gaunt
DOI:10.1021/ja401840j
日期:2013.4.10
Copper catalysts enable the electrophiliccarbofunctionalization of alkynes with vinyl- and diaryliodonium triflates. The new process forms highly substituted alkenyl triflates from a range of alkynes via a pathway that is opposite to classical carbometalation. The alkenyl triflate products can be elaborated through cross-coupling reactions to generate synthetically useful tetrasubstituted alkenes