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Poly(4-vinylpyridinium)hydrogen sulfate: A novel and efficient catalyst for the synthesis of 13-aryl-indeno[1,2-b]naphtha[1,2-e]pyran-12(13H)-ones under solvent-free conditions

✍ Scribed by Ghashang, Majid; Mansoor, Syed Sheik; Aswin, Krishnamoorthy


Book ID
121837397
Publisher
Elsevier Science
Year
2014
Weight
493 KB
Volume
35
Category
Article
ISSN
1872-2067

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Sulfamic acid-catalyzed synthesis of 13-
✍ Li Qiang Wu; Wei Lin Li; Fu Lin Yan πŸ“‚ Article πŸ“… 2010 πŸ› Journal of Heterocyclic Chemistry 🌐 English βš– 70 KB

## Abstract magnified image The reaction of β‐naphthol with arylaldehydes and 2H‐indene‐1,3‐dione in the presence of sulfamic acid (3 mol %) under solvent‐free conditions led to 13‐aryl‐indeno[1,2‐__b__]naphtho[1,2‐__e__]pyran‐12(13__H__)‐ones in good yields. J. Heterocyclic Chem., (2010).