ACTIVATING EFFECT OF AlCl3 IN HOMO-COUPLING REACTION OF ACETYLENE COMPOUNDS UNDER THE ACTION OF Mg–Cp2ZrCl2 REAGENT SYSTEMS

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Resumo

The activating effect of AlCl3 in the amount of 10 mol. % in the homo-coupling of alkyl-, phenyl-, and silyl-substituted acetylenes with the Mg–Cp2ZrCl2 reagent system was found for the first time. The unique nature of this activation is indicated by the fact that in the presence of 10 mol. % of Lewis acids such as BF3 ⋅ Et2O, Me3SiCl, InCl3, and SnCl4, the reaction with 5-decyne does not occur even after 5 h, while in the presence of AlCl3, homocoupling products are selectively formed in high yield in 10 min at room temperature.

Sobre autores

I. Ramazanov

Institute of Petrochemistry and Catalysis, Ufa Federal Research Center, Russian Academy of Sciences

Autor responsável pela correspondência
Email: ilfir.ramazanov@gmail.com
Russian Federation, 450075, Ufa

F. Sadykova

Institute of Petrochemistry and Catalysis, Ufa Federal Research Center, Russian Academy of Sciences

Email: ilfir.ramazanov@gmail.com
Russian Federation, 450075, Ufa

T. Zosim

Institute of Petrochemistry and Catalysis, Ufa Federal Research Center, Russian Academy of Sciences

Email: ilfir.ramazanov@gmail.com
Russian Federation, 450075, Ufa

K. Frolova

Institute of Petrochemistry and Catalysis, Ufa Federal Research Center, Russian Academy of Sciences

Email: ilfir.ramazanov@gmail.com
Russian Federation, 450075, Ufa

U. Dzhemilev

N.D. Zelinsky Institute of Organic Chemistry of Russian Academy of Sciences

Email: ilfir.ramazanov@gmail.com
Russian Federation, 119991, Moscow

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Declaração de direitos autorais © И.Р. Рамазанов, Ф.Т. Садыкова, Т.П. Зосим, К.С. Фролова, У.М. Джемилев, 2023