SEARCH Articles Figures Tables 1.4- Dihydropyrimidines, tautomerism by desulfurization of pyrimidine-2-thiones Amination of pyrimidines Aminolysis of Pyrimidines Containing a Leaving Group at C-2 Different from Halogen Analogues of pyrimidine And electronic structure of biological pyrimidines Annelation of a pyrimidine ring Annelation of a pyrimidine ring to an existing Aspartate Carbamoyl Transferase Allosteric Control of Pyrimidine Biosynthesis Assignment of the Pyrimidine Resonances Aza analogs, of pyrimidine and purine Aza analogs, of pyrimidine and purine bases Aza-analogs of pyrimidine bases Biosynthesis and Catabolism of Pyrimidines Biosynthesis of Pyrimidine Nucleotides Biosynthesis of Pyrimidines Catabolism of pyrimidine nucleotides Chemistry of pyrido pyrimidines Conformational Flexibility of Pyrimidine Ring in Nucleic Acid Bases Construction of the Pyrimidine Ring Coordination of Purine and Pyrimidine Nucleotide Biosynthesis Dipole moments of pyrimidine Effect of Pyrimidine Bases Efficiency and regulation of pyrimidine synthesis Electron Affinities of Purines and Pyrimidines Electronic structure of biological pyrimidines Electronic structure of biological pyrimidines, tautomerism and Excision of UV-Induced Pyrimidine Dimers Formation of Other Pyrimidine Nucleotides Formation of Platinum—Pyrimidine and a-Pyridone Blues Gut, J., Aza Analogs of Pyrimidine and Gut, J., Aza Analogs of Pyrimidine and Purine Halogenation of pyrimidines Infrared spectra of pyrimidines Mass spectra of pyrimidines Nitrosation of pyrimidines Nmr spectra of pyrimidines Nucleophilic substitution—continued of pyrimidines Of 1,2,4-triazolopyrimidines III 1,2,4-triazolo pyrimidines Of biological pyrimidines, tautomerism and Of pyrido pyrimidines Pathway of pyrimidine synthesis de novo Properties of Purine and Pyrimidine Bases Properties of the Platinum—Pyrimidine Blues Pyrimidine bases of DNA Pyrimidine reaction of, with Pyrimidine ring assembly of, scheme Pyrimidines by a Consecutive 3CR of Acid Chlorides, Alkynes, and Amidinium Salts Pyrimidines of biological Regulation of de Novo Pyrimidine Biosynthesis Structural and electronical characteristics of pyrimidine dimers Structures of pyrimidine dimers Substitution of pyrimidines Syntheses of Pyrimidine Nucleosides Synthesis of Pyrimidine Nucleotides Synthesis of Pyrimidine-Fused Systems Synthesis of Pyrimidines and Pyrimidones Synthesis of a 5-(2-Quinolyl)pyrimidine Synthesis of pyrimidines Tautomerism of Pyridine and Pyrimidine Dihydro Derivatives Tautomerism of pyrimidines The Anabolism of Pyrimidine Nucleotides The Structure of Pyrimidine Nucleosides Derived from Nucleic Acids Typical Reactivity of the Diazine Pyridazine, Pyrimidine and Pyrazine Typical reactivity of the diazines pyridazine, pyrimidine and pyrazine Van der Waals contact surfaces of purines and pyrimidines