期刊
JOURNAL OF ORGANOMETALLIC CHEMISTRY
卷 696, 期 8, 页码 1579-1583出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jorganchem.2010.12.035
关键词
5,6,7,12-tetrahydrodibenzo[c,f][1,5]oxabismocine framework; Cationic organobismuth complex; Ring-opening reaction; Epoxide; beta-Amino alcohol
资金
- Hunan Provincial Natural Science Foundation of China [10JJ1003]
- NSFC [20973056, J0830415, E50725825]
- National 863 Program of China [2009AA05Z319]
- Hong Kong Baptist University [FRG/08-09/II-09]
An air-stable organobismuth triflate complex with a novel 5,6,7,12-tetrahydrodibenzo[c,f]-[1,5]oxabismocine framework was synthesized and characterized by spectroscopic and single-crystal X-ray diffraction techniques. The organobismuth framework is cationic, and the complex shows relatively strong Lewis acidity (0.8 < H-o <= 3.3). It was found to exhibit high catalytic activity towards the ring-opening reaction of epoxides in aqueous media with aromatic amines at room temperature. This catalyst shows good stability, recyclability and reusability. The catalytic system affords a simple and efficient method for the synthesis of beta-amino alcohols. (C) 2011 Elsevier B. V. All rights reserved.
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