期刊
ORGANIC LETTERS
卷 10, 期 3, 页码 441-444出版社
AMER CHEMICAL SOC
DOI: 10.1021/ol702624n
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资金
- NIGMS NIH HHS [5R01GM-31332] Funding Source: Medline
Efficiency in olefin cross-metathesis reactions is affected upon reducing the steric bulk of N-heterocyclic carbene ligands of ruthenium-based catalysts. For the formation of disubstituted olefins containing one or more allylic substituents, the catalyst bearing N-tolyl groups is more efficient than the corresponding N-mesityl catalyst. In contrast, the formation of trisubstituted olefins is more efficient using the N-mesityl-containing catalyst. A hypothesis to explain this dichotomy is described.
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