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Synthesis of 5-alkyl-4-amino-2-(trifluoromethyl)pyridines and their transformation into trifluoromethylated 1H-pyrazolo[4,3-c]pyridines

✍ Scribed by Vladimir I Tyvorskii; Denis N Bobrov; Oleg G Kulinkovich; Kourosch Abbaspour Tehrani; Norbert De Kimpe


Book ID
108371105
Publisher
Elsevier Science
Year
2001
Tongue
French
Weight
111 KB
Volume
57
Category
Article
ISSN
0040-4020

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Synthesis of trifluoromethylated pyrido[
✍ Masahiko Takahashi; Hironori Nagaoka; Kazuhiro Inoue 📂 Article 📅 2004 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 213 KB 👁 1 views

## Abstract 5 or 7‐Trifluoromethyl‐1,2,3,4‐tetrahydropyrido[2,3‐__d__]pyrimidine‐2,4‐diones **3**, **5**, **10**, **13** and 4‐ or 6‐trifluoromethylpyrazolo[3,4‐__b__]pyridines **15**, **16**, **19**, **21** were prepared from 6‐aminouracils and 5‐aminopyrazoles, respectively, in good yields by the