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Polygonisation de l'uranium très pur entre 150° et 300 °C

✍ Scribed by G. Clottes; J.C. Jousset; J. Leteurtre


Publisher
Elsevier Science
Year
1964
Tongue
English
Weight
840 KB
Volume
12
Category
Article
ISSN
0022-3115

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Dérivés C-glycosyliques VIII. Synthèse d
✍ J. M. J. Tronchet; Melle F. Perret 📂 Article 📅 1972 🏛 John Wiley and Sons 🌐 German ⚖ 835 KB

## Abstract Several 3‐(2,5‐anhydro‐ribosyl)‐pyrazoles of potential medicinal interest have been synthesized by reacting alkynes or alkynylmagnesium bromides with the __p__‐nitrophenylhydrazone of 2,5‐anhydro‐ribonyl bromide. From a mechanistic standpoint, it has been shown that the sugar‐nitrilimin