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

Authors: Dzhemilev, U.¹; D’yakonov, V.²; Khafizova, L.²; Ibragimov, A.²

Source: Russian Journal of Organic Chemistry, Volume 41, Number 3, March 2005 , pp. 352-357(6)

Publisher: MAIK Nauka/Interperiodica

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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.

Document Type: Research article

DOI: http://dx.doi.org/10.1007/s11178-005-0169-z

Affiliations: 1: Institute of Petroleum Chemistry and Catalysis, Russian Academy of Sciences, pr. Oktyabrya 141, Ufa, Bashkortostan, 450075, Russia, Email: ink@anrb.ru 2: Institute of Petroleum Chemistry and Catalysis, Russian Academy of Sciences, pr. Oktyabrya 141, Ufa, Bashkortostan, 450075, Russia,

Publication date: 2005-03-01