Versatile Spirocyclic Glycine‐Based Nitrones and Their Highly Stereoselective 1,3‐Dipolar Cycloaddition
摘要:
A convenient and efficient method for the synthesis of novel spirocyclic nitrones prepared from glycine derivatives is reported. The 1,3-cycloaddition reactions of the nitrones with alkenes lead to novel isoxazolidines in high yields and with excellent regio- and stereoselectivity.
Versatile Spirocyclic Glycine‐Based Nitrones and Their Highly Stereoselective 1,3‐Dipolar Cycloaddition
摘要:
A convenient and efficient method for the synthesis of novel spirocyclic nitrones prepared from glycine derivatives is reported. The 1,3-cycloaddition reactions of the nitrones with alkenes lead to novel isoxazolidines in high yields and with excellent regio- and stereoselectivity.
Palladium-Catalyzed Direct Arylation of Imidazolone <i>N</i>-Oxides with Aryl Bromides and Its Application in the Synthesis of GSK2137305
作者:He Zhao、Ruifang Wang、Ping Chen、Brian T. Gregg、Ming Min Hsia、Wei Zhang
DOI:10.1021/ol300468g
日期:2012.4.6
The palladium-catalyzeddirectarylation of imidazolone N-oxides with arylbromides to afford the corresponding 4-aryl imidazolone N-oxides is described. This method has been successfully used for the synthesis of GSK2137305.