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One-Pot Syntheses of 2H-Indazolo[2,1-B] Phthalazine-Triones Catalyzed by Ionic Iiquid

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Abstract:

A simple and efficient one-pot method for the preparation of 2H-indazolo [2,1-b] phthalazine-triones from phthalhydrazide, dimedone and aromatic aldehydes has been developed using ionic liquids as catalysts. Two ionic liquid catalysts are described, and the ionic liquid [(CH2)4SO3HMIM]HSO4 catalyst is found to be more effective than [HMIM]HSO4 for this condensation reaction.

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Periodical:

Advanced Materials Research (Volumes 332-334)

Pages:

1884-1887

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.332-334.1884

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Online since:

September 2011

Authors:

Fang Yang, Hong Jun Zang, Qing Kai Wang, Bo Wen Cheng, Yuan Lin Ren, Xian Lin Xu

Keywords:

Condensation, Dimedone, Ionic Liquid (IL), Phthalhydrazide

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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