Heavier group 13/15 multiple bond systems: synthesis, structure and chemical bond activation

Heavier group 13/15 multiple bonds have been under investigation since the late 80s and to date, several examples have been published, which shows the obsoleteness of the so-called double bond rule. Especially in the last few years, more and more group 13/15 multiple bonds became synthetically feasi...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2022-01, Vol.58 (9), p.1242-1262
Main Authors: Dankert, F, Hering-Junghans, C
Format: Article
Language:English
Subjects:
Chemical bonds
Chemical synthesis
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Summary:Heavier group 13/15 multiple bonds have been under investigation since the late 80s and to date, several examples have been published, which shows the obsoleteness of the so-called double bond rule. Especially in the last few years, more and more group 13/15 multiple bonds became synthetically feasible and their application in terms of small molecule activation has been demonstrated. Our group has recently shown that the combination of the pnictinidene precursor Ter-Pn(PMe ) (Pn = P, As) in combination with Al(I) synthons afforded the first examples of phospha- and arsaalumenes as isolable and thermally robust compounds. This feature article is intended to show the recent developments in the field, to outline early synthetic approaches and to discuss strategies to unlock the synthetic potential of these elusive chemical bonds.
ISSN:1359-7345
1364-548X
DOI:10.1039/d1cc06518a