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Open AccessArticle

One-Pot and Efficient Synthesis of Triazolo[1,2-a]indazole-triones via Reaction of Arylaldehydes with Urazole and Dimedone Catalyzed by Silica Nanoparticles Prepared from Rice Husk

1
Department of Chemistry, Payame Noor University (PNU), P.O. Box 19395-369776175-559, TehranKerman, Iran
2
Mining and Engineering Department of Zarand, Shahid Bahonar University, Kerman, 76169-14111, Iran
3
Department Institute of Materials Environmental Science, International Center for Science and High Technology and Environmental Science, P.O. Box 76315-117, Kerman, Iran
*
Author to whom correspondence should be addressed.
Molecules 2011, 16(11), 9041-9048; https://doi.org/10.3390/molecules16119041
Received: 19 September 2011 / Revised: 13 October 2011 / Accepted: 20 October 2011 / Published: 26 October 2011
(This article belongs to the Special Issue Microwave Assisted Synthesis)
A novel synthesis of triazolo[1,2-a]indazole-1,3,8-trione derivatives by reaction of urazole, dimedone and aromatic aldehydes under conventional heating and microwave irradiation and solvent-free conditions using silica nanoparticles prepared from rice husk ash as catalyst is described. The new method features high yields, multicomponent reactions and environmental friendliness. View Full-Text
Keywords: multicomponent reaction; nanosilica sulfuric acid; microwave irradiation; rice husk multicomponent reaction; nanosilica sulfuric acid; microwave irradiation; rice husk
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MDPI and ACS Style

Hamidian, H.; Fozooni, S.; Hassankhani, A.; Mohammadi, S.Z. One-Pot and Efficient Synthesis of Triazolo[1,2-a]indazole-triones via Reaction of Arylaldehydes with Urazole and Dimedone Catalyzed by Silica Nanoparticles Prepared from Rice Husk. Molecules 2011, 16, 9041-9048. https://doi.org/10.3390/molecules16119041

AMA Style

Hamidian H, Fozooni S, Hassankhani A, Mohammadi SZ. One-Pot and Efficient Synthesis of Triazolo[1,2-a]indazole-triones via Reaction of Arylaldehydes with Urazole and Dimedone Catalyzed by Silica Nanoparticles Prepared from Rice Husk. Molecules. 2011; 16(11):9041-9048. https://doi.org/10.3390/molecules16119041

Chicago/Turabian Style

Hamidian, Hooshang; Fozooni, Samieh; Hassankhani, Asadollah; Mohammadi, Sayed Zia. 2011. "One-Pot and Efficient Synthesis of Triazolo[1,2-a]indazole-triones via Reaction of Arylaldehydes with Urazole and Dimedone Catalyzed by Silica Nanoparticles Prepared from Rice Husk" Molecules 16, no. 11: 9041-9048. https://doi.org/10.3390/molecules16119041

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