Regioselective [6π+2π] cycloaddition of 1,2-dienes to 7-substituted 1,3,5-cycloheptatrienes catalyzed by Ti(acac) 2 Cl 2 —Et 2 AlCl

G. N. Kadikova; D. I. Kolokoltsev; E. S. Meshcheryakova; V. A. D’yakonov; U. M. Dzhemilev

doi:10.1007/s11172-016-1283-5

Regioselective [6π+2π] cycloaddition of 1,2-dienes to 7-substituted 1,3,5-cycloheptatrienes catalyzed by Ti(acac)₂Cl₂—Et₂AlCl

Authors: Kadikova G.N.¹, Kolokoltsev D.I.¹, Meshcheryakova E.S.¹, D’yakonov V.A.¹, Dzhemilev U.M.¹
Affiliations:
1. Institute of Petrochemistry and Catalysis, Russian Academy of Sciences
Issue: Vol 65, No 1 (2016)
Pages: 195-199
Section: Full Articles
URL: https://journal-vniispk.ru/1066-5285/article/view/236895
DOI: https://doi.org/10.1007/s11172-016-1283-5
ID: 236895

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Abstract

A reaction of 7-alkyl-, 7-allyl-, 7-phenyl-1,3,5-cycloheptatrienes with 1,2-dienes in the presence of the two-component catalytic system Ti(acac)₂Cl₂—Et₂AlCl, which led to the formation of practically important substituted endo-bicyclo[4.2.1]nona-2,4-dienes in up to 90% yields, was accomplished for the first time.