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Metalla-aromatics are analogues of conventional organic aromatic molecules in which one of the CH groups is formally replaced by an isolobal transition-metal fragment.Their synthesis and reactivity have been investigated for the past three decades.Despite significant advances,challenges still remain in this field due to the limited number of convenient and versatile synthetic methods to construct stable and fully characterized metalla-aromatics,and the relative shortage of new topologies.
Metalla-aromatics are analogues of conventional organic aromatic molecules in which one of the CH groups is formally replaced by an isolobal transition-metal fragment. Their synthesis and reactivity have been investigated for the past three decades. Designed significant advances, challenges still remain in this field due to the limited number of convenient and versatile synthetic methods to construct stable and fully characterized metalla-aromatics, and the relative shortage of new topologies.