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Pyrazolo[4,3-d]pyrimidine nucleosides. Synthesis and antiviral activity of 1-.beta.-D-ribofuranosyl-3-methyl-6-substituted-7H-pyrazolo[4,3-d]pyrimidin-7-ones

✍ Scribed by Baraldi, Pier Giovanni; Simoni, Daniele; Periotto, Vittorio; Manfredini, Stefano; Guarneri, Mario; Manservigi, Roberto; Cassai, Enzo


Book ID
126973754
Publisher
American Chemical Society
Year
1984
Tongue
English
Weight
663 KB
Volume
27
Category
Article
ISSN
0022-2623

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A convenient synthesis of pyrazolo[3,4-d
✍ M. El Haddad; M. Soukri; S. Lazar; A. Bennamara; G. Guillaumet; M. Akssira 📂 Article 📅 2000 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 470 KB

## Abstract Pyrazolo‐[3,4‐__d__]pyrimidine‐4,6‐diones **5** and pyrazolo[4,3‐__d__]pyrimidine‐5,7‐diones **7** were synthesized by Curtius rearrangement of pyrazolic mono‐esters **2** and **3** followed by hetero‐cyclization __via__ the ureas derivatives **4** and **6** under alkaline conditions.

ChemInform Abstract: A Convenient Synthe
✍ M. El Haddad; M. Soukri; S. Lazar; A. Bennamara; G. Guillaumet; M. Akssira 📂 Article 📅 2001 🏛 John Wiley and Sons ⚖ 31 KB 👁 1 views

## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v