A Regio- and Stereoselective Approach to Quaternary Centers from Chiral Trisubstituted Aziridines
作者:Erin M. Forbeck、Cory D. Evans、John A. Gilleran、Pixu Li、Madeleine M. Joullié
DOI:10.1021/ja0758077
日期:2007.11.1
formation of these hindered ethers has been investigated using a variety of functionalized aziridines and phenols to determine the scope of the reaction. Other nucleophiles, such as thiolate, azide, and chloride, have also been examined to encompass the synthesis of a broader range of functionalities. This aziridine ring opening reaction manifold has demonstrated utility in assembling: beta-substituted-alpha-amino
对区域和立体特异性氮丙啶开环反应的彻底调查提出了用于构建各种季 β-取代-α-氨基官能团的新合成技术。温和、无金属的反应条件允许在高度功能化的系统中应用。该反应已应用于具有挑战性的叔烷基芳基醚的立体选择性形成。已经使用各种官能化氮丙啶和酚类研究了这些受阻醚的形成策略,以确定反应的范围。其他亲核试剂,如硫醇盐、叠氮化物和氯化物,也已被研究以涵盖更广泛的功能的合成。该氮丙啶开环反应歧管已证明可用于组装:β-取代-α-氨基甲酰胺、β-取代-α-氨基酯、β-取代-α-氨基甲硅烷基醚、β-硫代-α-氨基甲酰胺、β-叠氮基-α-氨基甲酰胺和β-卤代-α-氨基甲酰胺。探究氮丙啶取代模式影响的研究表明,烷基氮丙啶显示出与炔基氮丙啶相似的反应性,从而深入了解机理可能性。