2(3H)-Oxazolones from α-Hydroxy Amides and Keteneylidenetriphenylphosphorane via a Phoshorus Ylide Cascade
作者:Jonas Löffler、Rainer Schobert
DOI:10.1002/jlac.199719970132
日期:1997.1
activity”. Evidence for the proposed mechanism is provided by trapping the intermediate ylide species with suitable carbonyl compounds. This technique may also be used to exclusively prepare the 2,4-oxazolidinediones 13 in good yields.
Synthesis of oxazolidine-2,4-diones by a tandem phosphorus-mediated carboxylative condensation–cyclization reaction using atmospheric carbon dioxide
作者:Wen-Zhen Zhang、Tian Xia、Xu-Tong Yang、Xiao-Bing Lu
DOI:10.1039/c5cc01530h
日期:——
A novel access to oxazolidine-2,4-diones using atmospheric CO2 and readily available substrates under mild and transition-metal-free conditions is developed.