期刊
CATALYSIS SCIENCE & TECHNOLOGY
卷 7, 期 19, 页码 4470-4477出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7cy00430c
关键词
-
资金
- DGAPA-UNAM [IN209915]
- CONACyT [254014]
- CONACyT/Mexico [336875, 273438]
The design of new catalysts usually involves the synthesis and experimental evaluation of many compounds. We report herein an alternative methodology for designing bifunctional organocatalysts based on electron density topological analyses, i.e. the quantum theory of atoms in molecules and the non-covalent interaction index of the transition state (TS) of a Michael addition. These methods allowed us to identify key weak attractive interactions (CH center dot center dot center dot pi) in the TS of a previously investigated catalyst. We sought a commercially available scaffold with the aromatic ring in the appropriate orientation to form such attractive interactions. We modelled the TS with this new scaffold and determined the occurrence of CH center dot center dot center dot pi contacts by the aforementioned methodology. The new catalyst presented an excellent performance regardless of the substrate used in the reaction. Overall, this new approach shows how to exploit the quantum chemical topology as a tool to understand stereoselective reactions, successfully design bifunctional organocatalysts and avoid the synthesis of many catalysts.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据