名称:
                                Preparation of α-vinylidene-γ-lactones by palladium-catalyzed carbonylation of 5-hydroxy-2-alkynyl methyl carbonates under mild conditions
                             
                            
                                摘要:
                                Carbonylation of 5-hydroxy-2-alkynyl methyl carbonates catalyzed by Pd(OAc)(2) in the presence of a bidentate phosphine takes place under mild conditions to afford alpha-vinylidene-gamma-lactones in good yields.
                             
                                                            
                                    DOI:
                                    10.1016/0022-328x(94)00006-x