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  • Title: One-pot synthesis of diarylalkynes using palladium-catalyzed sonogashira reaction and decarboxylative coupling of sp carbon and sp2 carbon.
    Author: Moon J, Jeong M, Nam H, Ju J, Moon JH, Jung HM, Lee S.
    Journal: Org Lett; 2008 Mar 06; 10(5):945-8. PubMed ID: 18229935.
    Abstract:
    Decarboxylative coupling of sp-sp2 carbons is possible by palladium catalyst. Employing propiolic acid (1) as a difunctional alkyne, and using the consecutive reactions of the Sonogashira reaction and the decarboxylative coupling, unsymmetrically substituted diaryl alkynes were obtained in moderate to good yield.
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