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Issue 6, 2014
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Direct functionalization of unactivated C–H bonds catalyzed by group 3–5 metal alkyl complexes

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Abstract

This perspective summarizes direct C–H bond functionalization reactions catalyzed by group 3–5 metal alkyl complexes. Metal–carbon bonds of group 3–5 metals have potentially high reactivity toward both C–H bond activation reactions through the intrinsic σ-bond metathesis pathway and insertion of unsaturated organic molecules. Upon the combination of these two elemental steps, direct C–H bond functionalization reactions of (hetero)aromatic compounds, methane, alkylamines, and terminal alkynes, proceed through C(sp)–H, C(sp2)–H, and C(sp3)–H bond activation reactions. Here we review as catalysts for these transformations not only simple metallocene complexes but also non-metallocene complexes supported by a variety of ligands, which are often superior in terms of catalyst design and catalytic activity.

Graphical abstract: Direct functionalization of unactivated C–H bonds catalyzed by group 3–5 metal alkyl complexes

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Publication details

The article was received on 03 Oct 2013, accepted on 26 Nov 2013 and first published on 27 Nov 2013


Article type: Perspective
DOI: 10.1039/C3DT52758A
Citation: Dalton Trans., 2014,43, 2331-2343
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    Direct functionalization of unactivated C–H bonds catalyzed by group 3–5 metal alkyl complexes

    H. Tsurugi, K. Yamamoto, H. Nagae, H. Kaneko and K. Mashima, Dalton Trans., 2014, 43, 2331
    DOI: 10.1039/C3DT52758A

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