... Tetrahedron. Volume 58, Issue 35, 26 August 2002, Pages 7165–7175. ... 1-yl)propyl radicals, generated using Bu 3 SnH/AIBN by homolytic cleavage of phenylselenide substituted 2-methyleneaziridines, produces 3-methylenepiperidines in yields ranging from 58 to 68%. ...