Diastereocontrol by a Hydroxyl Auxiliary in the Synthesis of Pyrrolidines via Radical Cyclization
作者:Magnus Besev、Lars Engman
DOI:10.1021/ol026038t
日期:2002.9.1
[reaction: see text] Organoselenium precursors of 3-aza-5-hexenyl radicals carrying a 1-hydroxyalkyl group in the 2-position were prepared by addition of organometallic reagents to N-allyl-2-aziridinecarbonitrile, reduction of the resulting aziridine ketone, and regioselective benzeneselenol ringopening of the aziridine. Reductive radical cyclization was highly selective, affording the corresponding