期刊
ACS CATALYSIS
卷 2, 期 8, 页码 1760-1764出版社
AMER CHEMICAL SOC
DOI: 10.1021/cs300358m
关键词
iron; hydrogenation; catalysis; N-heterocyclic carbene
资金
- U.S. National Science Foundation
- Deutsche Forschungsgemeinschaft
- Fulbright Commission
- AstraZeneca
- National Institute of General Medical Sciences [T32GM008500]
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [1026084] Funding Source: National Science Foundation
The activity of aryl-substituted bis(imino)pyridine and bis(arylimidazol-2-ylidene)pyridine iron dinitrogen complexes has been evaluated in a series of catalytic olefin hydrogenation reactions. In general, more electron-donating chelates with smaller 2,6-aryl substituents produce more active iron hydrogenation catalysts. Establishment of this structure activity relationship has produced base metal catalysts that exhibit high turnover frequencies for the hydrogenation of unfunctionalized, tri- and tetrasubstituted alkenes, one of the most challenging substrate classes for homogeneous hydrogenation catalysts.
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