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Chemo‐ and Regioselective Palladium‐Catalyzed Oxycyclization Reactions of Allendiols: Preparation of Five‐, Six‐, and Eight‐Membered Cycles
Authors:Benito Alcaide Prof. Dr.  Pedro Almendros Dr.  Rocío Carrascosa Dipl.‐Chem.  Teresa Martínez del Campo Dipl.‐Chem.
Affiliation:1. Departamento de Química Orgánica I, Facultad de Química, Universidad Complutense de Madrid, 28040 Madrid (Spain), Fax: (+34)?91‐3944103;2. Instituto de Química Orgánica General, Consejo Superior de Investigaciones Científicas, CSIC, Juan de la Cierva 3, 28006 Madrid (Spain), Fax: (+34)?91‐5644853
Abstract:Positive discrimination : Chemo‐ and regioselective palladium‐catalyzed cycloetherification of allendiols, namely β,γ‐ and γ,δ‐allendiols, may occur by judicious choice of palladium‐catalyzed conditions owing to their potential ability to discriminate between both nucleophilic sites (see scheme).
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Keywords:allenes  chemoselectivity  heterocycles  palladium  regioselectivity
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