179 research outputs found
<Abstract of Published Report>Convenient Synthesis of Pyrido[4,3-d]pyrimidine-2,4(1H, 3H)-diones.
<Abstract of published report>Diversity of Intramolecular Rearrangements of Uracil Derivatives to Pyrazolones and Hydantoins governed by a Prominent 5-Substituent Effect.
<Abstract of published report>Reductive Cleavage of the Ribose Moiety in Purine Nucleosides Using Diisobutylaluminum Hydride : A New Method for the Preparation of Acyclonucleosides.
Pyrimidines.52. : Synthesis of Pyrido[2,3-d] pyrimidine-2,4-diones and Pyrido[2,3-d : 6,5-d]dipyrimidine-2,4,6,8-tetrones.
Nucleosides.II. : Direct Synthesis of 5-Substituted 2\u27, 5\u27-Anhydro-1-β-D-arabinofuranosyluracils from Uridine Derivatives.
<Abstract of Published Report>A Novel Approach for the Synthesis of Purine Acyclonucleosides Using 9-D-Ribitylpurines as a Chiral Pool.
<Abstract of Published Report>Ribofuranose-ring Cleavage of Purine Nucleosides with Diisobutylaliminum Hydride : Convenient Method for the Preparation of Purine Acyclonucleosides.
<Abstract of published report>Novel Ring Transformations of 5-Cyanouracils into 2-Thiocytosines, 2,4-Diaminopyrimidines, and Pyrimido[4,5-d]pyrimidines by the Reaction with Thioureas and Guanidines.
<Abstract of annual report>New Chemical Modification of the Ribosyl Moiety in Uridines. : Synthesis of Novel Types of 3\u27, 5\u27-Epithio Uridine Derivatives
<Abstract of published report>Synthesis of a Ring-Scission Analogue of Neplanocin A as a Potential Inhibitor of S-Adenosylhomocysteine Hydrolase.
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