Abstract A practical method for the acetylation of purine and pyrimidine nucleosides employing a combination of acetic anhydride and potassium-exchanged molecular sieves is described. Besides the high yields obtained for the acylated nucleosides, the procedure is
[Meier, Lidiane; Monteiro, Gustavo C.; Baldissera, Rodrigo A.M.; Sa, Marcus Mandolesi Journal of the Brazilian Chemical Society, 2010 , vol. 21, # 5 p. 859 - 866]