Synthesis of Unsymmetrical Divinylbenzenes by Palladium Catalyzed Sequential Heck Reactions Starting from Carboxybenzenediazonium Salts
                                
                                    
                                        作者:Chao Wang、Lu-Shi Tan、Jin-Ping He、Hong-Wen Hu、Jian-Hua Xu                                    
                                    
                                        DOI:10.1081/scc-120016321
                                    
                                    
                                        日期:2003.1.4
                                    
                                    Six p-, m- and o-unsymmetrical divinylbenzenes 5a, 5b, 6a, 6b, 6c and 7a are synthesized from p-, m- and o- carboxybenzenediazonium tetrafluoroborates via sequential Heck reactions in good overall yield.