The scope and limitations of 1,3-stannyl shift-promoted intramolecular cyclizations of α-stannyl radicals with a formyl group

Article abstract of DOI:10.1021/jo052176v

α-Tributylstannyl radicals can be generated from the corresponding bromides or xanthates. These radicals undergo efficient intramolecular 1,5-cyclizations with a formyl group. The resulting β-stannyl alkoxy radicals proceed through a 1,3-stannyl shift fro