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Iminophosphorane-mediated efficient synthesis of new tricyclic 3,5-dihydro-1,2,3-triazolo[4,5-d]-1,2,4-triazolo[1,5-a]pyrimidin-9-ones

✍ Scribed by Zhao, Jun-Feng ;Xie, Chang ;Xu, Sheng-Zhen ;Ding, Ming-Wu ;Xiao, Wen-Jing


Book ID
118070364
Publisher
Royal Society of Chemistry
Year
2006
Tongue
English
Weight
139 KB
Volume
4
Category
Article
ISSN
1477-0520

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Pyrrolo[3,4-e][1,2,3]triazolo[1,5-a]pyri
✍ Antonino Lauria; Patrizia Diana; Paola Barraja; Anna Maria Almerico; Girolamo Ci πŸ“‚ Article πŸ“… 2000 πŸ› Journal of Heterocyclic Chemistry 🌐 English βš– 301 KB πŸ‘ 1 views

## Abstract Derivatives of the new ring system pyrrolo[3,4‐__e__][1,2,3] triazolo[1,5‐__a__]pyrimidine **6** were prepared in high yields in one step by reaction of 3‐azidopyrrole **3** and substituted acetonitriles. Compound **6b** rearranged, upon heating in dimethyl sulfoxide in the presence of