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  • Title: Pd(II)-catalyzed dehydrogenative olefination of vinylic C-H bonds with allylic esters: general and selective access to linear 1,3-butadienes.
    Author: Zhang Y, Cui Z, Li Z, Liu ZQ.
    Journal: Org Lett; 2012 Apr 06; 14(7):1838-41. PubMed ID: 22429253.
    Abstract:
    This work demonstrates a general and efficient method to prepare conjugated dienes by Pd(II)-catalyzed direct olefination of unactivated alkenes with allylic esters and acrylates via vinylic C-H activation. Various aryl and heteroaryl alkenes as well as aliphatic alkenes all give the desired linear 1,3-butadienes with retention of the traditional leaving groups such as OAc and other carboxylic acid ester groups.
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