Silver Oxide-Assisted Palladium-Catalyzed Cross Coupling of Methyl 2-Halo-2,3-butadienoates with Arylboronic Acids

Thomas Gillmann; Thomas Weeber

doi:10.1055/s-1994-22961

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Synlett 1994; 1994(8): 649-650
DOI: 10.1055/s-1994-22961

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Silver Oxide-Assisted Palladium-Catalyzed Cross Coupling of Methyl 2-Halo-2,3-butadienoates with Arylboronic Acids

Thomas Gillmann^* , Thomas Weeber

^*Institut für Pharmazeutische Chemie der Philipps-Universität Marburg, Marbacher Weg 6, 35032 Marburg, Germany

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Publikationsdatum:
18. September 2002 (online)

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2-Halo-2,3-butadienoic acid esters 1a and 1b undergo palladium-catalyzed cross coupling reactions with arylboronic acids 2 in the presence of silver oxide to form allenic esters 3 in fair to excellent yields under very mild conditions.