名称:
                                A novel entry to substituted chromones and furochromones through cyclopropane intermediates.
                             
                            
                                摘要:
                                Addition of several carbon nucleophiles to 3-bromochromone 1 and 6-bromofurochromone 2 yield interestingly substituted delta-pyrone ring analogues.
                             
                                                            
                                    DOI:
                                    10.1016/s0040-4039(00)91843-4