Competition between vinylidene rearrangement and 1,2-insertion of carbon-disubstituted internal alkynes at a Cp*Ir(III) complex

Dalton Transactions : an International Journal of Inorganic Chemistry
Yousuke IkedaYouichi Ishii

Abstract

Competition between vinylidene rearrangement/1,1-insertion and 1,2-alkyne insertion into the Ir-Ar bond of [Cp*Ir(ppy-F4)](+) was observed on reaction with diarylacetylenes. The former process afforded the iridacycle 2via the subsequent 1,4-Ir migration, whereas the latter led to the pyridoisoquinolinium complex 4. Detailed analysis revealed that 4 isomerizes to 2 by heating at 50 °C.

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Citations

Apr 8, 2016·Dalton Transactions : an International Journal of Inorganic Chemistry·Peng CuiVlad M Iluc
Jan 23, 2018·Chemistry : a European Journal·Johnathon D Dooley, Hon Wai Lam
Nov 30, 2019·Organic & Biomolecular Chemistry·Takuma WatanabeShinichi Saito
Jun 16, 2018·Journal of Molecular Modeling·Xinghui ZhangYun Lei
May 26, 2017·Journal of the American Chemical Society·Takuma WatanabeShinichi Saito

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