On the Two-Route Mechanism of the Reaction of 1-Alkenes with EtMgX Catalyzed by TaCl 5

R. M. Sultanov; F. Sh. Khafizov; I. V. Ozden; N. V. Shutov; D. Sh. Sabirov; U. M. Dzhemilev

doi:10.1134/S1070363219040029

On the Two-Route Mechanism of the Reaction of 1-Alkenes with EtMgX Catalyzed by TaCl₅

Authors: Sultanov R.M.¹, Khafizov F.S.¹, Ozden I.V.¹, Shutov N.V.¹, Sabirov D.S.², Dzhemilev U.M.²
Affiliations:
1. Ufa State Petroleum Technical University
2. Institute of Petrochemistry and Catalysis
Issue: Vol 89, No 4 (2019)
Pages: 647-652
Section: Article
URL: https://journal-vniispk.ru/1070-3632/article/view/222843
DOI: https://doi.org/10.1134/S1070363219040029
ID: 222843

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Abstract

The reaction of 1-alkenes with C₂D₅MgBr in the presence of TaCl₅ has been studied. Basing on the distribution of the deuterium label in the alkyl chain of the regioisomeric organomagnesium compounds, a tentative mechanism of their formation as key intermediates of 3-substituted tantalocyclopentanes has been proposed. The energy profiles of the reactions of carbomagnesation and β-reductive magnesaethylation of 1-alkenes have been obtained using the DFT method.