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Azulene Derivatives Soluble in Polar Solvents. 1-(Azulen-1-yl)-2-(thien-2- or 3-yl)-ethenes.

✍ Scribed by Alexandru C. Razus; Liviu Birzan; Victorita Tecuceanu; Mihaela Cristea; Alina Nicolescu; Cristian Enache


Publisher
John Wiley and Sons
Year
2007
Weight
21 KB
Volume
38
Category
Article
ISSN
0931-7597

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4-(Azulen-1-yl) six-membered heteroaroma
✍ Alexandru C. Razus; Liviu Birzan; Mihaela Cristea; Victorita Tecuceanu; Anamaria 📂 Article 📅 2011 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 226 KB

## Abstract Pyranylium perchlorates with azulen‐1‐yl moiety in 4‐position and thiophen‐2‐yl or furan‐2‐yl in 2 and 6‐positions were obtained by the substitution of 4‐chloro corresponding salts with azulenes. The pyranylium salts are used as starting materials for the synthesis of pyridine and pyrid