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New Route for the Synthesis of Pyrazole, Triazole, Triazine, and Triazepine Derivatives

โœ Scribed by Omran, O. A.; Amer, A. A.; Khodairy, A.


Book ID
121499502
Publisher
Taylor and Francis Group
Year
2006
Tongue
English
Weight
89 KB
Volume
36
Category
Article
ISSN
0039-7911

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A new route to the synthesis of pyrazole
โœ Carlo F Morelli; Manferdini Monica; Augusto C Veronese ๐Ÿ“‚ Article ๐Ÿ“… 1999 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 730 KB

A new route to the synthesis of pyrazole and pyrimidine C-nucleosides, which involves as the key step a metal promoted reaction of ~-D-ribofuranosyl ketoesters with alkyl cyanoformates is described. 2,3,5-Tri-O-benzoyl-~-D-ribofuranosyl cyanide I reacts with ct-bromoesters, in the presence of zinc d