Efficient one-pot synthesis of 2H-indazolo[2,1-b]phthalazinetrione derivatives with amino-functionalized nanoporous silica (SBA-Pr-NH2) as catalyst

Efficient one-pot synthesis of 2H-indazolo[2,1-b]phthalazinetrione derivatives with... Amino-functionalized SBA-15 (SBA-Pr-NH2) with a pore size of 6 nm has been used as an efficient and reusable heterogeneous solid-base catalyst for preparation of 2H-indazolo[2,1-b]phthalazinetrione derivatives. The procedure involves three-component condensation of aromatic aldehydes, dimedone, and phthalhydrazide under solvent-free conditions. The catalyst can be easily removed from the reaction mixture and reused several times without substantial loss of reactivity. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Efficient one-pot synthesis of 2H-indazolo[2,1-b]phthalazinetrione derivatives with amino-functionalized nanoporous silica (SBA-Pr-NH2) as catalyst

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Publisher
Springer Netherlands
Copyright
Copyright © 2014 by Springer Science+Business Media Dordrecht
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-014-1845-9
Publisher site
See Article on Publisher Site

Abstract

Amino-functionalized SBA-15 (SBA-Pr-NH2) with a pore size of 6 nm has been used as an efficient and reusable heterogeneous solid-base catalyst for preparation of 2H-indazolo[2,1-b]phthalazinetrione derivatives. The procedure involves three-component condensation of aromatic aldehydes, dimedone, and phthalhydrazide under solvent-free conditions. The catalyst can be easily removed from the reaction mixture and reused several times without substantial loss of reactivity.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Oct 28, 2014

References

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