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2-Keto-3-mercaptocinchoninic Acids as Precursors for Novel Thiazino[6,5- c ]quinoline-1,5-dione Derivatives

✍ Scribed by Metwally, Nadia Hanafy


Book ID
121008548
Publisher
Taylor and Francis Group
Year
2013
Tongue
English
Weight
308 KB
Volume
43
Category
Article
ISSN
0039-7911

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Synthesis of 1-substituted [1,2,3]triazo
✍ K. C. V. Ramanaiah; Edwin D. Stevens; Mark L. Trudell; Philip F. Pagoria 📂 Article 📅 2000 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 438 KB

## Abstract A series of 1‐substituted 4,5‐diformyl‐[1,2,3]triazole derivatives were prepared by 1,3‐dipolar cyclo‐addition of aryl azides with acetylene dicarboxaldehyde mono‐diethylacetal. The triazoles were readily converted into 1‐substituted [1,2,3]triazolo[4,5‐__d__]pyridazines in good yields.