期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 136, 期 4, 页码 1226-1229出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja411438d
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资金
- NSF [CHE-1059107]
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [1059107] Funding Source: National Science Foundation
After searching for the proper catalyst, the dual challenges of controlling the position of the double bond, and cis/trans-selectivity in isomerization of terminal alkenes to their 2-isomers are finally met in a general sense by mixtures of (C5Me5)Ru complexes 1 and 3 featuring a bifunctional phosphine. Typically, catalyst loadings of 1 mol % of 1 and 3 can be employed for the production of (E)-2-alkenes at 40-70 degrees C. Catalyst comprising 1 and 3 avoids more than any other known example the thermodynamic equilibration of alkene, isomers, as the trans-2-alkenes of both nonfunctionalized and functionalized alkenes are generated.
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