The Penems, a New Class of ?-Lactam Antibiotics. 6. Synthesis of 2-alkylthiopenem carboxylic acids
                                
                                    
                                        作者:Marc Lang、Kapa Prasad、Jaques Gosteli、Robert B. Woodward                                    
                                    
                                        DOI:10.1002/hlca.19800630436
                                    
                                    
                                        日期:1980.6.6
                                    
                                    A synthesis of 2-alkylthiopenems by an intramolecular Wittig-type reaction between a phosphorane and a trithiocarbonate ester is described.
                                    描述了通过phosphor烷与
三硫代碳酸酯之间的分子内Wittig型反应合成2-烷基
硫代青霉烯。