Purines, pyrimidines, and imidazoles. Part 51. New syntheses of some 5-alkyl-and 5-dialkyl-aminoimidazoles. 3-Alkylimidazolium nucleosides and 3-alkylpurines

T. Brown, K. Kadir, G. Mackenzie and G. Shaw. J. Chem. Soc., Perkin Trans. 1 3107-3112, 1979.