Reactions involving fluoride ion. Part VIII. Syntheses from perfluorocycloalkenes
                                
                                    
                                        作者:Richard D. Chambers、Michael Y. Gribble、Eric Marper                                    
                                    
                                        DOI:10.1039/p19730001710
                                    
                                    
                                        日期:——
                                    
                                    -butene react with pentafluoropyridine in the presence of caesium fluoride to give perfluorocycloalkylpyridines. Di-and tri-substituted pyridines are obtained only from perfluorocyclohexene, and perfluorocycloalkyl derivatives are isolated only from perfluorocyclohexene on reaction of these cyclic olefins with tetrafluoropyridazine. Fluoride ion induces dimerisation of perfluorocyclo-pentene and -hexene whereas
                                    全氟环己烯,-
戊烯和-
丁烯在
氟化铯的存在下与五
氟吡啶反应生成
全氟环烷基
吡啶。这些环烯烃与
四氟哒嗪反应时,仅从
全氟环己烯中获得二取代和三取代的
吡啶,仅从
全氟环己烯中分离出
全氟环烷基衍
生物。
氟离子诱导
全氟环戊烯和-己烯的二聚化,而
全氟环丁烯的三聚体被分离;这些产品的结构已确定。