Nucleophilic displacement of the trimethylammonio-group as a new route to fluoropurines.
D055598:Chemical Phenomena; D002621:Chemistry; D002713:Chlorine; D005461:Fluorine; D008722:Methods; D008745:Methylation; D009705:Nucleosides / Q000138:chemical synthesis; D011687:Purines / Q000138:chemical synthesis*; D000644:Quaternary Ammonium Compounds
D009705:Nucleosides; D011687:Purines; D000644:Quaternary Ammonium Compounds; D005461:Fluorine; D002713:Chlorine