作者:Luisa Benati、Giorgio Bencivenni、Rino Leardini、Matteo Minozzi、Daniele Nanni、Rosanna Scialpi、Piero Spagnolo、Giuseppe Zanardi、Corrado Rizzoli
DOI:10.1021/ol036268n
日期:2004.2.1
[reaction: see text] Stannylaminyl radicals derived from radical reactions of Bu(3)SnH with azidoalkylmalononitriles exhibit highly efficient 5- and 6-exo cyclization onto either nitrile group to give aminoiminyl radicals that in turn are reduced to amidines or undergo successive 5-exo cyclization onto an internal alkene.
[反应:参见文本]由Bu(3)SnH与叠氮基烷基丙二腈的自由基反应衍生的苯乙烯基亚胺基基团在两个腈基上均显示出高效的5和6-exo环化作用,从而使氨基亚氨基基团被还原为am或连续经历5-外环化到内部烯烃上。