Efficient One-Pot Syntheses of 7-Alkyl-6H,7H-naphtho[1,2:5,6]pyrano-[3,2-c]chromen-6-ones by 1-Methyl-3-(2-(sulfooxy)ethyl)-1H-imidazol-3-ium Chloride

Efficient One-Pot Syntheses of 7-Alkyl-6H,7H-naphtho[1,2:5,6]pyrano-[3,2-c]chromen-6-ones by 1-Methyl-3-(2-(sulfooxy)ethyl)-1H-imidazol-3-ium Chloride

An efficient synthesis of 7‐alkyl‐6H,7H‐naphtho‐[10,20:5,6]pyrano[3,2‐c]chromen‐6‐ones by three‐component condensation reaction of β‐naphthol, aromatic aldehydes, and 4‐hydroxycoumarin catalyzed by 1‐methyl‐3‐(2‐(sulfooxy)ethyl)‐1H‐imidazol‐3‐ium chloride is reported in good to excellent yields and...

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Veröffentlicht in:Journal of heterocyclic chemistry 2014-09, Vol.51 (5), p.1293-1297
Hauptverfasser: Wan, Yu, Wang, Chao, Wang, Hai-ying, Zhao, Ling-ling, Zhang, Xiao-xiao, Shi, Jing-jing, Huang, Shu-ying, Liu, Gui-Xiang, Wu, Hui
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Sprache:eng
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Zusammenfassung:An efficient synthesis of 7‐alkyl‐6H,7H‐naphtho‐[10,20:5,6]pyrano[3,2‐c]chromen‐6‐ones by three‐component condensation reaction of β‐naphthol, aromatic aldehydes, and 4‐hydroxycoumarin catalyzed by 1‐methyl‐3‐(2‐(sulfooxy)ethyl)‐1H‐imidazol‐3‐ium chloride is reported in good to excellent yields and short reaction times.
ISSN:0022-152X
1943-5193
DOI:10.1002/jhet.1658