Gold(I)-Catalyzed Highly Regio- and Stereoselective Decarboxylative Amination of Allylic <i>N</i>-Tosylcarbamates via Base-Induced Aza-Claisen Rearrangement in Water
作者:Dong Xing、Dan Yang
DOI:10.1021/ol100056f
日期:2010.3.5
A gold(I)-catalyzed decarboxylative amination of allylic N-tosylcarbamates via base-induced aza-Claisen rearrangement has been developed. A variety of substituted N-tosyl allylic amines were obtained in good yield, excellent regioselectivity, and high to excellent stereoselectivity. This transformation could be performed either in H2O or in one pot directly from allylic alcohols and therefore represents
Novel chiral Schiff base/Ti(<scp>iv</scp>) catalysts for the catalytic asymmetric epoxidation of N-alkenyl sulfonamides
作者:Nan Ji、Jiani Yuan、Miaoxi Liu、Ting Lan、Wei He
DOI:10.1039/c6cc02852g
日期:——
A new method has been developed for the catalyticasymmetricepoxidation of N-alkenyl sulfonamides in the presence of a Schiff base derived from hydroquinine and Ti(Oi-Pr)4. This reaction proceeds under...
The first example of Pd-catalyzed oxidative cyclization of allyltosylamides with acetic acid is reported. This transformation involved C–N/C–C bond formation and provided 3-pyrrolin-2-ones in a one-pot manner with easy-operation, excellent atom economy and good yields. Mechanistic studies indicate that the reaction proceeds through intermolecular aminopalladation, migratory insertion, reinsertion and
A Stereoselective Synthesis of 1-Acetyl-2-aminomethylcyclopropanes from Allylsulfonamides and Phenyl(alkynyl)iodonium Salts
作者:Hee-Yoon Lee、Yong-Han Lee
DOI:10.1055/s-2001-17473
日期:——
A versatile and stereoselective synthesis of 1-acetyl-2-aminomethyl cyclopropanes from the reaction of anions of tosylallylamines and phenyl(propynyl)iodonium salt was developed.