Challenges in cyclometalation: steric effects leading to competing pathways and η1 ,η2 -cyclometalated iridium(iii) complexes

Dalton Transactions : an International Journal of Inorganic Chemistry
Houguang Jeremy ChenPak-Hing Leung

Abstract

The iridation of (R)-N,N-dimethyl-1-(1-naphthyl)ethylamine in the presence of a base afforded an assortment of products ranging from organic molecules to coordinated systems and cyclometalated complexes. The transformation affirmed the postulation where steric effects within the coordination sphere favor a β-hydride elimination-like decomposition pathway, competing alongside ortho-metalation, thus leading to iminium intermediates. The same procedure also generated an unprecedented carbocyclic η1,η2-cycloiridated species that could not be attained from the direct cyclometalation of its organic ligand.

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Citations

May 4, 2021·Chemical Record : an Official Publication of the Chemical Society of Japan ... [et Al.]·Zhenyu ChenJianliang Xiao

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Methods Mentioned

BETA
NMR

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