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Cyclization Reactions of Oxyallyl Cation. A Method for Cyclopentane Ring Formation

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journal contribution
posted on 26.11.2019, 14:45 by Bojan Vulovic, Milena Trmcic, Radomir Matovic, Radomir N. Saicic
Unsaturated oxyallyl cations with a suitably positioned alkene bond undergo 5-exo-cyclization with the formation of vinylcyclopentane derivatives. Alkyne analogues provide allenes. The reaction proceeds with a moderate to excellent level of stereoselectivity and allows for asymmetric induction in the reaction with chiral substrate.