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Directed C–H activation with iron carbene complexes
Inorganic Chemistry Frontiers ( IF 6.1 ) Pub Date : 2024-07-18 , DOI: 10.1039/d4qi01088d
Zachary S. Lincoln 1 , Melissa R. Hoffbauer 1 , Vlad M. Iluc 1
Affiliation  

The reactivity of PCcarbeneP iron carbenes, [{PC(sp2)P}Fe(L)(N2)] (1-L, L = NCtBu, PMe3), was investigated toward imines, ketones, diazenes, 2-vinylpyridine, and 8-methylquinoline, and revealed the directed activation of aryl, vinyl, or benzyl C–H bonds by 1,2-addition across the iron-carbene bond. Our results support a syn 1,2-addition of these bonds, suggesting a metal–ligand cooperative process for the activation of these substrates. These findings highlight the potential of iron-carbene complexes in C–H activation processes, and deviate from the traditional mechanisms employed for iron promoted C–H activations.

中文翻译:


用铁卡宾配合物定向 C-H 活化



PC carbene P铁卡宾的反应活性,[{PC(sp 2 )P}Fe(L)(N 2 )] (1-L, L = NC t Bu、PMe 3 ),对亚胺、酮、二氮烯、2-乙烯基吡啶和 8-甲基喹啉进行了研究,揭示了芳基、乙烯基、或通过铁-卡宾键上的 1,2-加成形成苄基 C-H 键。我们的结果支持这些键的顺式 1,2-加成,表明这些底物的激活存在金属-配体协同过程。这些发现强调了铁-卡宾配合物在 C-H 活化过程中的潜力,并且偏离了铁促进 C-H 活化所采用的传统机制。
更新日期:2024-07-20
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