A new and simple method for the synthesis of highly functionalised pyrrolizidines, indolizidines and pyrroloazepines
作者:Paul A. O’Gorman、Ting Chen、Hannah E. Cross、Saleena Naeem、Arnaud Pitard、M. Ilyas Qamar、Karl Hemming
DOI:10.1016/j.tetlet.2008.08.061
日期:2008.10
The reaction of 5-, 6- and 7-membered cyclic thioimidates with cyclopropenones gives access to highly functionalised pyrrolizidines, indolizidines and pyrroloazepines via a formal [3+2] cycloaddition process.