Pd(OAc)(2)-catalyzed oxidative acetoxylation of benzylic C-H bonds utilizing a bidentate system has been explored. A variety of picolinoyl- or quinoline-2-carbonyl-protected toluidine derivatives react with PhI(OAc)(2) in the presence of Pd(OAc)(2) to afford the acetoxylated products in synthetically useful yields. A broad of functionalities, such as CH3, F, Cl, Br, I, COCH3, CO2Et, SO2CH3, and NO2, were tolerated. This transformation provides easy access to 2-hydroxymethylaniline derivatives.
Pd-Catalyzed Arylation/Oxidation of Benzylic C–H Bond
A palladium-catalyzed benzylic C-H arylation/oxidation reaction leading to diaryl ketones has been accomplished. The indispensable role of the bidentate system is disclosed for this sequential process. This chemistry offers a direct new access to a range of diarylketones.
[DE] VERBINDUNGEN FÜR ELEKTRONISCHE VORRICHTUNGEN<br/>[EN] COMPOUNDS FOR ELECTRONIC DEVICES<br/>[FR] COMPOSÉS POUR DISPOSITIFS ÉLECTRONIQUES
申请人:MERCK PATENT GMBH
公开号:WO2020109524A1
公开(公告)日:2020-06-04
Die vorliegende Anmeldung betrifft kondensierte N-heteroaromatische Verbindungen, Verfahren zur Herstellung dieser Verbindungen, und elektronische Vorrichtungen enthaltend diese Verbindungen.