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Pyrazolopyrimidine nucleosides. 3. Synthesis of 1- and 2-( -D-ribofuranosyl)pyrazolo(3,4-d)pyrimidines from pyrazole nucleoside derivatives. 1972

R A Earl, and R P Panzica, and L B Townsend

UI MeSH Term Description Entries
D007536 Isomerism The phenomenon whereby certain chemical compounds have structures that are different although the compounds possess the same elemental composition. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 5th ed) Isomerisms
D008722 Methods A series of steps taken in order to conduct research. Techniques,Methodological Studies,Methodological Study,Procedures,Studies, Methodological,Study, Methodological,Method,Procedure,Technique
D011720 Pyrazoles Azoles of two nitrogens at the 1,2 positions, next to each other, in contrast with IMIDAZOLES in which they are at the 1,3 positions.
D011743 Pyrimidines A family of 6-membered heterocyclic compounds occurring in nature in a wide variety of forms. They include several nucleic acid constituents (CYTOSINE; THYMINE; and URACIL) and form the basic structure of the barbiturates.
D003500 Cyclization Changing an open-chain hydrocarbon to a closed ring. (McGraw-Hill Dictionary of Scientific and Technical Terms, 5th ed) Cyclizations
D012263 Ribonucleosides Nucleosides in which the purine or pyrimidine base is combined with ribose. (Dorland, 28th ed)

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R A Earl, and R P Panzica, and L B Townsend
[Synthesis of pyrazole derivatives and pyrazolo[4,3-d]pyrimidines. I].
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