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

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Cyclization Reactions of Oxyallyl Cation. A Method for Cyclopentane Ring Formation.
Organic Letters ( IF 4.9 ) Pub Date : 2019-11-26 , DOI: 10.1021/acs.orglett.9b03791
Bojan Vulovic ₁ , Milena Trmcic ₂ , Radomir Matovic ₃ , Radomir N Saicic _{1,

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Affiliation

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.

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