Cyclization of 1-(carbamoyl)dichloromethyl radicals upon activated alkenes. A new entry to 2-azabicyclo[3.3.1]nonanes
作者:Josefina Quirante、Carmen Escolano、Laura Costejà、Josep Bonjoch
DOI:10.1016/s0040-4039(97)01590-6
日期:1997.9
The synthesis of 2-azabicyclo[3.3.1]nonanes using a radical cyclization process as the piperidine ring-forming step is described. The reaction involves 1-(carbamoyl)-dichloromethyl radicals which react intramolecularly with simple or activated alkenes, such as enol acetates or silyl enol ethers.
描述了使用自由基环化方法作为哌啶环形成步骤的2-氮杂双环[3.3.1]壬烷的合成。该反应涉及1-(氨基甲酰基)-二氯甲基基团,它们与简单或活化的烯烃,例如烯醇乙酸酯或甲硅烷基烯醇醚在分子内反应。