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Reactions with cyanothioacetamide derivatives: Synthesis of several new pyridine and annelated pyridine derivatives

✍ Scribed by Fawzy A. Attaby


Book ID
112915305
Publisher
Springer
Year
1990
Tongue
English
Weight
298 KB
Volume
13
Category
Article
ISSN
0253-6269

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Reactions with dimethylformamide-dimethy
✍ Mohamed A. A. Elneairy; Mohamed A. M. Gad-Elkareem; Adel M. Taha 📂 Article 📅 2007 🏛 John Wiley and Sons 🌐 English ⚖ 177 KB

## Abstract 6‐Aminopyridine‐2(1H)‐thiones **1a,b** reacted with dimethylformamide‐dimethylacetal (DMF‐DMA) to give the corresponding 6‐{[(N,N‐dimethylamino)methylene]amino}pyridine derivatives **2a,b**. The latter compounds reacted with hydrazine hydrate to afford the 3,6‐diamino‐1H‐pyrazolo[3,4‐b]