Synthesis of amino-cyclobutanes via [2+2] cycloadditions involving keteniminium intermediates
作者:Amandine Kolleth、Alexandre Lumbroso、Gamze Tanriver、Saron Catak、Sarah Sulzer-Mossé、Alain De Mesmaeker
DOI:10.1016/j.tetlet.2016.04.092
日期:2016.6
We describe an efficient method for the synthesis of aminocyclobutanes via a [2 + 2] cycloaddition between a keteniminium salt and an alkene, followed by a reduction step. The use of easily removable N-allyl moieties as protecting groups increases the potential of this method to access, in a few steps, highly functionalized cyclobutaneamine-containing building blocks. Moreover, DFT calculations verify
我们描述了一种通过酮亚胺盐和烯烃之间的[2 + 2]环加成反应合成氨基环丁烷的有效方法,然后进行还原步骤。使用易于除去的N-烯丙基部分作为保护基团,增加了该方法在几个步骤中获得高度官能化的含环丁烷胺结构单元的潜力。此外,DFT计算验证了[2 + 2]环加成反应中N-烯丙基和N-炔丙基酮亚胺的相容性。