Synthesis of Indole‐Fused Chromane‐Based Spirooxindoles via Brønsted Acid‐Catalyzed Regioselective [5+1] Annulation.

Authors: Ye, Le‐Hua¹ (AUTHOR), Cheng, Xiao¹ (AUTHOR), Zhu, Zi‐Qi¹ (AUTHOR) zzq@cczu.edu.cn, Shi, Feng^1,2,3 (AUTHOR) fshi@cczu.edu.cn

Source: European Journal of Organic Chemistry. 4/1/2025, Vol. 28 Issue 13, p1-6. 6p.

Subject Terms: *BRONSTED acids, *ACID catalysts, *ANNULATION, *INDOLE, *PHENOLS