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Cyclomagnesation of Olefins with Ethylmagnesium Bromide in the Presence of Titanium Complexes

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Abstract

Cyclomagnesation of terminal and cyclic olefins and 1,2-dienes with RMgHlg and R2Mg in the presence of dichloro(dicyclopentadienyl)titanium(IV) gives non-Grignard cyclic and acyclic organomagnesium compounds. The reaction direction depends on the structure of unsaturated initial compound. The most probable reaction mechanism is discussed.

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Authors and Affiliations

  1. Institute of Petroleum Chemistry and Catalysis, Russian Academy of Sciences, pr. Oktyabrya 141, Ufa, Bashkortostan, 450075, Russia

    U. M. Dzhemilev, V. A. D’yakonov, L. O. Khafizova & A. G. Ibragimov

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  1. U. M. Dzhemilev
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  2. V. A. D’yakonov
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  3. L. O. Khafizova
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  4. A. G. Ibragimov
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__________

Translated from Zhurnal Organicheskoi Khimii, Vol. 41, No. 3, 2005, pp. 363–368.

Original Russian Text Copyright © 2005 by Dzhemilev, D’yakonov, Khafizova, Ibragimov.

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Dzhemilev, U.M., D’yakonov, V.A., Khafizova, L.O. et al. Cyclomagnesation of Olefins with Ethylmagnesium Bromide in the Presence of Titanium Complexes. Russ J Org Chem 41, 352–357 (2005). https://doi.org/10.1007/s11178-005-0169-z

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  • DOI: https://doi.org/10.1007/s11178-005-0169-z

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