Combining α-amidoalkylation reactions of N-acyliminium ions with ring-closing metathesis: access to versatile novel isoindolones spirocyclic compounds
作者:Anthony Pesquet、Mohamed Othman
DOI:10.1016/j.tetlet.2013.07.077
日期:2013.9
A novel approach to diversely spirocyclic isoindoles has been developed by using N-acyliminium/ring-closing metathesis strategy. Spirocyclization precursors, diolefinic, and enyne spiro-fused-isoindole derivatives have been obtained by a regioselective reduction of the spiro-imide compounds, followed by the allylation of the N-acyliminium intermediates (generated from the acetoxylactam compounds).
通过使用N-酰基亚胺/环闭合复分解策略,已经开发了一种新颖的方法用于不同的螺环异吲哚。螺环化前体,二烯烃和烯炔螺-稠合-异吲哚衍生物是通过将螺-酰亚胺化合物进行区域选择性还原,然后将N-酰基酰亚胺中间体(由乙酰氧基内酰胺化合物生成)烯丙基化而获得的。上述不饱和衍生物的钌催化的闭环复分解反应提供了新的螺异吲哚。