Synthesis of Hydroxylated Pyrrolizidines Related to Alexine using Cycloaddition Reactions of Functionalized Cyclic Nitrones
作者:Adrian Hall、Kevin Meldrum、Patrick Therond、Richard Wightman
DOI:10.1055/s-1997-695
日期:——
Cycloaddition reactions of the functionalized Î1-pyrroline-N-oxides 10 and 19 have been used to prepare the hydroxylated pyrrolizidines 6 and 7 respectively, which are related to the natural products alexine and australine.
利用功能化δ1-吡咯啉-N-氧化物 10 和 19 的环加成反应,分别制备出羟基吡咯烷类化合物 6 和 7,它们与天然产物历山碱和奥斯特琳有关。