The quasi-homo-anomeric interaction in substituted tetrahydropyranyl radicals: Diastereoselectivity
作者:Athelstan L.J. Beckwith、Peter J. Duggan
DOI:10.1016/s0040-4020(98)00373-1
日期:1998.6
of simple cyclohexyl and tetrahydropyranyl radicals (3 – 7) with Bu3SnD and with allyltributyltin, has been determined in order to gauge the influence of the classical anomeric effect and the quasi-homo-anomeric effect on stereoselectivity. In these unencumbered radicals, both anomeric effects caused a strong preference for trans deuterated products, but no significant stereoselectivity was observed