Blade, Helen Modular Synthesis of Constrained Ethyl (cEt) Purine and Pyrimidine Nucleosides. [electronic resource] - The Journal of organic chemistry May 2015 - 5337-43 p. digital Publication Type: Journal Article ISSN: 1520-6904 Standard No.: 10.1021/acs.joc.5b00607 doi Subjects--Topical Terms: Molecular StructureNucleosides--chemical synthesisProdrugs--chemical synthesisPurine Nucleosides--chemical synthesisPyrimidine Nucleosides--chemical synthesis