Palladium-Catalyzed Intramolecular Selenocarbamoylation of Alkynes with Carbamoselenoates:  Formation of α-Alkylidene-β-lactam Framework
                                
                                    
                                        作者:Masashi Toyofuku、Shin-ich Fujiwara、Tsutomu Shin-ike、Hitoshi Kuniyasu、Nobuaki Kambe                                    
                                    
                                        DOI:10.1021/ja052175k
                                    
                                    
                                        日期:2005.7.13
                                    
                                    Pd-catalyzed intramolecular selenocarbamoylation of alkynes leading to alpha-alkylidene-beta-lactams was developed. This reaction can be applied to thiocarbamoylation and to the synthesis of delta- and epsilon-lactams and a cyclobutanone.