ChemInform Abstract: Furan Ring Recyclization in 2-Furfurylthieno[2,3-b]pyridines: An Intramolecular N-Alkylation of Pyrrole Ring under Acid Conditions.

Furan ring recyclization in 2-furfurylth

Furan ring recyclization in 2-furfurylthieno[2,3-b]pyridines: An intramolecular N-alkylation of pyrrole ring under acid conditions

✍ Darya Yu. Kosulina; Vladimir K. Vasilin; Tatyana A. Stroganova; Tatyana Ya. Kakl 📂 Article 📅 2010 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 110 KB

## Abstract magnified image The preparation of new 3‐amino‐2‐furfurylthieno[2,3‐__b__]pyridines (**1a**, **1b**, 69–80%) is described. Subsequent acidic rearrangement of **1a**, **1b** afforded two new annulated heterocyclic products, **5a**, **5b**, pyrrolothieno[2,3‐__b__]pyridines (45–74%), and