Synthesis of cyclopentenyl carbanucleosides via palladium(0) catalysed reactions

Article abstract of DOI:10.1016/S0040-4020(97)10380-5

Methyl 4-acetoxycyclopent-2-enylmethylcarboxylate (2) and the corresponding carbonate 3 have been treated with sodium salts and aluminum amides of pyrimidines, purines and methyl 1H-1,2,4-triazole-3-carboxylate with a catalyst formed from bis(dibenzylideneacetone)palladium(0) and triisopropyl phosphite to give the corresponding carbanucleosides in good to excellent yields. This method was also applied for a synthesis of carbovir (31).