Synthesis of Oxazolidinones and Derivatives through Three-Component Fixation of Carbon Dioxide
作者:Congmin Mei、Yibo Zhao、Qianwei Chen、Changsheng Cao、Guangsheng Pang、Yanhui Shi
DOI:10.1002/cctc.201800142
日期:2018.7.19
three‐component fixation of atmospheric CO2 with readily available 1,2‐dichloroethane and aromatic amine toward oxazolidinones catalyzed by in situ NHC was developed. The reaction occurred in good to excellent yields with good generality and wide functional group tolerance, including challenging steric hindered substituted‐dichloroethane (e.g. 1,2‐dichloropropane and 2,3‐dichlorobutane). The catalytic system
Synthesis of N-aryl-2-oxazolidinones from cyclic carbonates and aromatic amines catalyzed by bio-catalyst
作者:Congmin Mei、Yibo Zhao、Ke Zou、Changsheng Cao、Guangsheng Pang、Yanhui Shi
DOI:10.1007/s11164-017-3222-y
日期:2018.3
A convenient and effective method of synthesizing 3-aryl-2-oxazolidinones from cyclic carbonates and aryl amines catalyzed by bio-catalyst adenine in the presence of Et3N under solvent-free conditions is described. The protocol is suitable for the wide scope of substrates, e.g. cyclic carbonates with or without substitutes, and aryl amines with either electron-withdrawing or electron-donating group
A straightforward one-pot synthesis of bioactive N-aryl oxazolidin-2-ones via a highly efficient Fe<sub>3</sub>O<sub>4</sub>@SiO<sub>2</sub>-supported acetate-based butylimidazolium ionic liquid nanocatalyst under metal- and solvent-free conditions
Novel Syntheses of N-Aryloxazolidin-2-ones via Tandem Reactions of Vinyl Sulfonium Salts
作者:Jinhua Liu、Tian Xie、Chunsong Xie、Deyu Han
DOI:10.1055/s-0029-1218284
日期:2009.12
An unprecedented and efficient domino reaction of diphenyl vinyl sulfonium salt with carbamates leading to the syntheses of N-aryloxazolidin-2-ones has been developed. The scope of this transformation has been studied and a plausible mechanism has been proposed.
A one-step procedure for efficient synthesis of oxazolidinone only using ethylene carbonate and arylamines in the presence of 1,4-diazabicyclo[2,2,2]octane (DABCO) was developed. In most cases, moderate to high yield of products were obtained. This reaction can be considered a carbon dioxide fixation reaction since ethylene carbonate was synthesized via reaction of ethylene oxide with carbon dioxide.