Cope-House Cyclization Strategy for the Synthesis of Pyrrolizidines: An Expedient Route to 5-<i>epi</i>-Hyacinthacine A<sub>3</sub> and 5-<i>epi</i>-Hyacinthacine A<sub>5</sub>
作者:Krishna Kaliappan、Prasanta Das
DOI:10.1055/s-2008-1042898
日期:2008.4
An expedient Cope-House cyclization strategy is reported here for the synthesis of several polyhydroxy pyrrolizidine alkaloids starting from sugar-derived nitrones.