期刊
ADVANCED SYNTHESIS & CATALYSIS
卷 354, 期 4, 页码 593-596出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.201100791
关键词
aryl bromides; biaryls; C-H activation; iron; magnesium
资金
- MEXT [22000008, 23750100]
- Global COE Program for Chemistry Innovation
- Japan Society for the Promotion of Science [21.8684]
- Grants-in-Aid for Scientific Research [23750100, 09J08684] Funding Source: KAKEN
2-Arylpyridines, 2-alkenylpyridine, and aromatic imines can be coupled with aryl bromides in the presence of an iron catalyst, metallic magnesium, a diamine ligand and an organic dihalide oxidant at 0 degrees C. The use of a 1:1 mixture of tetrahydrofuran and 1,4-dioxane is essential for this C-H bond activation reaction. The reaction has wider scope of the substrate compared with the reaction using a separately prepared Grignard reagent, and proceeds with lower catalyst loading (2.5 mol%).
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