作者:Roberto Olivera、Raul SanMartin、Esther Domı́nguez                                    
                                    
                                        DOI:10.1016/s0040-4039(00)00621-3
                                    
                                    
                                        日期:2000.6
                                    
                                    The application of a synthetic sequence of amine-exchange/Ullmann-ether reaction to 1,2-diarylenamino-ketones for the access to dibenzoxepino[4,5-d]pyrazoles is reported. The reaction proceeds efficiently, permitting to incorporate a variety of substituents. (C) 2000 Elsevier Science Ltd. All rights reserved.