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  • Title: Palladium-catalyzed approach to stereodefined ten-membered cycles from 1,5-bisallenes.
    Author: Cheng J, Jiang X, Ma S.
    Journal: Org Lett; 2011 Oct 07; 13(19):5200-3. PubMed ID: 21910412.
    Abstract:
    A three-component Pd(0)-catalyzed reaction of 1,5-bisallenes with organic halides in the presence of primary amines was observed to afford stereodefined not readily available ten-membered cyclic compounds highly chemo- and regioselectively. A mechanism involving two π-allylic palladium intermediates was proposed to account for the observed regio- and stereoselectivity.
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