期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 59, 期 23, 页码 8932-8936出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.202002014
关键词
donor flexibility; N-donor ligands; homogeneous catalysis; olefin oxidation; ruthenium
资金
- Swiss National Science Foundation [200020_182663]
- European Research Council [CoG 615653]
- SNSF R'equip [206021_128724]
- Swiss National Science Foundation (SNF) [200020_182663] Funding Source: Swiss National Science Foundation (SNF)
An exceptionally efficient ruthenium-based catalyst for olefin oxidation has been designed by exploiting N,N '-bis(pyridylidene)oxalamide (bisPYA) as a donor-flexible ligand. The dynamic donor ability of the bisPYA ligand, imparted by variable zwitterionic and neutral resonance structure contributions, paired with the redox activity of ruthenium provided catalytic activity for Lemieux-Johnson-type oxidative cleavage of olefins to efficiently prepare ketones and aldehydes. The ruthenium bisPYA complex significantly outperforms state-of-the-art systems and displays extraordinary catalytic activity in this oxidation, reaching turnover frequencies of 650 000 h(-1) and turnover numbers of several millions.
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