885274-64-6Relevant articles and documents
Radical C-H Arylation of Oxazoles with Aryl Iodides: Dppf as an Electron-Transfer Mediator for Cs2CO3
Guo, Zhengwei,Li, Man,Mou, Xue-Qing,He, Gang,Xue, Xiao-Song,Chen, Gong
supporting information, p. 1684 - 1687 (2018/03/23)
A radical C-H arylation reaction of oxazoles with (hetero)aryl iodides using Cs2CO3 as base/electron donor and 1,1′-bis(diphenylphosphino) ferrocene (dppf) as a catalytic SET mediator is reported. The overall reaction likely follows the general base-promoted homolytic aromatic substitution mechanism through a radical-chain pathway. DFT calculations suggest that dppf forms a complex with CsCO3-, enhancing its SET reducing ability to generate an aryl radical from ArI.
C-H bond arylations and benzylations on oxazol(in)es with a palladium catalyst of a secondary phosphine oxide
Ackermann, Lutz,Barfuesser, Sebastian,Kornhaass, Christoph,Kapdi, Anant R.
supporting information; experimental part, p. 3082 - 3085 (2011/08/07)
An air-stable, well-defined palladium complex derived from secondary phosphine oxide (SPO) (1-Ad)2P(O)H enabled efficient C-H bond functionalizations with ample scope, which set the stage for direct arylations and benzylations of (benz)oxazoles, as well as unprecedented palladium-catalyzed C-H bond arylations on nonaromatic oxazolines.
Palladium-catalyzed direct arylations, alkenylations, and benzylations through C-H bond cleavages with sulfamates or phosphates as electrophiles
Ackermann, Lutz,Barfuesser, Sebastian,Pospech, Jola
supporting information; experimental part, p. 724 - 726 (2010/04/02)
(Figure Presented) catalytic system comprised of Pd(OAc)2 and bldentate ligand dppe enabled first direct arylatlons with moisture-stable aryl sulfamates as electrophlles, and proved applicable to unprecedented C-H bond functlonallzations with e