Palladium-Catalysed Synthesis of Dienyl Phosphonates from Vinyl Triflates and Diethylvinyl Phosphonate

Alfredo Burini; Sandro Cacchi; Paola Pace; Bianca Rosa Pietroni

doi:10.1055/s-1995-5012

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Synlett 1995; 1995(6): 677-679
DOI: 10.1055/s-1995-5012

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Palladium-Catalysed Synthesis of Dienyl Phosphonates from Vinyl Triflates and Diethylvinyl Phosphonate

Alfredo Burini, Sandro Cacchi^* , Paola Pace, Bianca Rosa Pietroni

^*Dipartimento di Studi di Chimica e Tecnologia delle Sostanze Biologicamente Attive, Università ”La Sapienza”, P.le A. Moro 5, 00185 Roma, Italy

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Publication Date:
31 December 2000 (online)

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The palladium-catalysed vinylic substitution of vinyl triflates with diethylvinyl phosphonate affords the corresponding conjugate dienyl phosphonates. Title compounds are isolated in good to high yields in the presence of K₂CO₃ and n-Bu₄NCl. Best results, however, are obtained by using the K₂CO₃/KOAc combination.

Vinyl Triflates - Palladium Catalysis - Vinylic Substitution - Dienyl Phosphonates