Desulphurative approaches to penem antibiotics. III. Synthesis and desulphurisation of 3-methyl-2-thiacephem-4-carboxylates
                                
                                    
                                        作者:Ettore Perrone、Marco Alpegiani、Angelo Bedeschi、Maurizio Foglio、Giovanni Franceschi                                    
                                    
                                        DOI:10.1016/s0040-4039(00)81729-3
                                    
                                    
                                        日期:——
                                    
                                    Displacement of leaving groups from a number of 2-oxo-azetidin-4-ylthio derivatives with sulphide or hydrosulphide salts conveniently affords 2-thiacephem, whose desulphurisation gives penems.
                                    用
硫化物或氢
硫化物盐置换许多2-氧-氮杂
环丁烷-4-基
硫代衍
生物中的离去基团可方便地得到2-噻
噻吩,其脱
硫得到青霉烯。