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Novel chiral calix[4]arenes by direct asymmetric epoxidation reaction
Authors:Bonini Carlo  Chiummiento Lucia  Funicello Maria  Lopardo Maria Teresa  Lupattelli Paolo  Laurita Alessandro  Cornia Andrea
Affiliation:Dipartimento di Chimica, Università degli studi della Basilicata, via Nazario Sauro 85, Potenza, Italy. bonini@unibas.it
Abstract:We report the first asymmetric synthesis of trans optically active (+) C 2 1,3-bisarylepoxide of calix[4]arene in excellent chemical yield and >99% ee, and its enantiospecific conversion to the corresponding bis-dioxolane.
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