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Brønsted acidic ionic liquids catalyzed one-pot synthesis of benzoxanthene leuco-dye derivatives

✍ Scribed by Shaterian, Hamid Reza; Azizi, Kobra

Book ID
120766073
Publisher
Springer Netherlands
Year
2013
Tongue
English
Weight
345 KB
Volume
41
Category
Article
ISSN
0922-6168

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An efficient one-pot synthesis of bis-indolylmethanes containing pyrazolyl catalyzed by Brønsted acidic ionic liquid under solvent-free conditions
✍ Chenjiang Liu; Chuanji Yu 📂 Article 📅 2011 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 86 KB

## Abstract Brønsted acidic ionic liquid [PyNCH~2~CO~2~H][HSO~4~] was found to be an effective catalyst for the condensation reactions of indoles with various 4‐formylpyrazoles to afford the corresponding bis‐indolylmethanes containing pyrazole under solvent‐free conditions. The satisfactory result