名称:
                                Novel methods for syntheses of substituted oxazoles by cyclization of vinyl bromides
                             
                            
                                摘要:
                                Several methods for converting vinyl bromides and vinyl dibromides to oxazoles are described. Cyclization of vinyl bromide 6 with cesium carbonate in dioxane forms oxazole 7 while 6 is converted to the corresponding bromooxazole 12 by treatment with CuBr2/DBU.
                             
                                                            
                                    DOI:
                                    10.1016/s0040-4039(00)74756-3