期刊
ORGANOMETALLICS
卷 29, 期 2, 页码 403-408出版社
AMER CHEMICAL SOC
DOI: 10.1021/om900864r
关键词
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资金
- NSF
- NIH [5R01 GM31332]
- NDSEG
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [0809418] Funding Source: National Science Foundation
Ru-based olefin metathesis catalysts containing, carbohydrate-derived NHCs from glucose and galactose were synthesized and characterized by NMR spectroscopy. 2D-NMR spectroscopy revealed the presence of Ru-C (benzylidene) rotamers at room temperature, and the rate of rotation was measured using magnetization transfer and VT-NMR spectroscopy. The catalysts were found to be effective at ring-opening metathesis polymerization (ROMP), ring-closing metathesis (RCM), cross-metathesis (CM), and asymmetric ring-opening cross-metathesis (AROCM) and showed surprising selectivity in both CM and AROCM.
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