𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Reactions of 3-aminopyrazole derivatives with cyanothioacetamide and its derivatives: Synthesis and reactions of several new pyrazole and pyrazole[3,2-b]pyrimidine derivatives

✍ Scribed by Fawzy A. Attaby; Sanaa M. Eldin

Publisher
Springer
Year
1997
Tongue
English
Weight
512 KB
Volume
20
Category
Article
ISSN
0253-6269

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Some reactions with ω-bromoacetophenone:
Some reactions with ω-bromoacetophenone: Synthesis of new Pyrazole, Pyrrole and Furan Derivatives
✍ Dr. Fathy M. Abdelrazek 📂 Article 📅 1990 🏛 John Wiley and Sons 🌐 English ⚖ 347 KB

## Abstract Phenacyl bromide 1 reacts with ethyl cyanoacetate 2 in presence of piperidine catalyst to afford the hexa‐2,4‐diene derivative 5. Ethyl phenacylcyanoacetate 3 was obtained by reaction of 1 with the sodium salt 6. Compound 3 reacts with hydrazines and trichloroacetonitrile to afford the

Reactions with dimethylformamide-dimethy
Reactions with dimethylformamide-dimethylacetal: Synthesis and reactions of several new pyridine and pyrazolo[3,4-b]pyridine derivatives
✍ 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]