Palladium-Catalyzed Direct Acylation of Ketoximes and Aldoximes from the Alcohol Oxidation Level through C-H Bond Activation
作者:Satyasheel Sharma、Minyoung Kim、Jihye Park、Mirim Kim、Jong Hwan Kwak、Young Hoon Jung、Joa Sub Oh、Youngil Lee、In Su Kim
DOI:10.1002/ejoc.201300649
日期:2013.10
A highly efficient palladium-catalyzed oxidative ortho-acylation of O-methyl ketoximes and O-methyl aldoximes with benzylic and aliphatic alcohols from the alcohol oxidation level is described. This protocol potentially provides new opportunities to use readily available alcohols as starting materials for catalytic reactions, and represents a catalytic alternative to transcend the barriers imposed
Chirality Transfer in Rhodium(I)-Catalyzed [3 + 2]-Cycloaddition of Vinyl Aziridines and Oxime Ethers: Atom-Economical Synthesis of Chiral Imidazolidines
A highly efficient and stereoselective synthesis of enantioenriched imidazolidines by rhodium-catalyzed intermolecular [3 + 2] cycloaddition reaction of chiral vinyl aziridines and oxime ethers has been successfully developed. Notably, both aldoximes and ketoximes are suitable substrates to afford the corresponding chiral imidazolidines in high yields with good stereoselectivity. This transformation
Pd-Catalyzed Multiple CH Functionalization to Construct Biologically Active Compounds from Aryl Aldoxime Ethers with Arenes
作者:Vedhagiri S. Thirunavukkarasu、Chien-Hong Cheng
DOI:10.1002/chem.201102996
日期:2011.12.23
Functional fluorenones: Aromatic aldoximeethers react with unactivated arenes catalyzed by palladium complexes to give biologicallyactive fluoren‐9‐ones (see scheme). MultipleCH bond activation and an oxidative cyclization are involved in the reaction.