Preparation of cyclic ethers via oxidative cyclisation of 2-(4-hydroxyalkyl) and 2-(5-hydroxyalkyl)furans with ddq.
                                
                                    
                                        作者:Laurence M. Harwood、Jeremy Robertson                                    
                                    
                                        DOI:10.1016/s0040-4039(00)95621-1
                                    
                                    
                                        日期:——
                                    
                                    Reaction of 2-(4- or 5-hydroxyalkyl)furans with DDQ leads to the smooth formation of cyclic ethers under neutral conditions, but aromatic analogues do not give useful yields of desired products.
                                    2-(4-或5-羟烷基)
呋喃与
DDQ的反应可在中性条件下平稳形成
环醚,但芳香族类似物不能提供有用的所需产物收率。