Ammonium acetate catalyzed an efficient one-pot three component synthesis of pyrano[3,2-c]chromene derivatives

Ammonium acetate catalyzed an efficient one-pot three component synthesis of pyrano[3,2-c]chromene derivatives

An efficient and simple procedure has been described using ammonium acetate as catalyst for the synthesis of 3,4-dihydropyrano[3,2-c]chromene derivatives by one-pot three component condensation of 4-hydroxycoumarin, various aryl/heteryl aldehydes and malononitrile. The attractive features of the pre...

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Bibliographic Details
Main Authors: S. Kanakaraju, B. Prasanna, Srinivas Basavoju, G.V.P. Chandramouli
Format: Article
Language:English
Published: Elsevier 2017-05-01
Series:Arabian Journal of Chemistry
Subjects:
Multicomponent reaction
4-Hydroxycoumarin
3,4-Dihydropyrano[3,2-c]chromene
Ammonium acetate
Single-crystal X-ray diffraction
Online Access:http://www.sciencedirect.com/science/article/pii/S1878535213003547
Description
Summary:An efficient and simple procedure has been described using ammonium acetate as catalyst for the synthesis of 3,4-dihydropyrano[3,2-c]chromene derivatives by one-pot three component condensation of 4-hydroxycoumarin, various aryl/heteryl aldehydes and malononitrile. The attractive features of the present methodology are excellent yields, short reaction times and environmentally benign milder reaction conditions.
ISSN:1878-5352

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