One-pot, four-component synthesis of pyrano[2,3-c]pyrazoles catalyzed by sodium benzoate in aqueous medium

An efficient, green, and facile four-component reaction for the preparation of pyrano[2,3-c]pyrazole derivatives through the condensation reaction of aryl aldehydes, ethyl acetoacetate, malononitrile, and hydrazine hydrate or phenyl hydrazine in the presence of commercially available organocatalyst...

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Bibliographic Details
Main Authors: Hamzeh Kiyani, Heshmat Allah Samimi, Fatemeh Ghorbani, Samira Esmaieli
Format: Article
Published: Growing Science 2013-10-01
Series:Current Chemistry Letters
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