Journal
TETRAHEDRON
Volume 67, Issue 10, Pages 1930-1937Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2011.01.024
Keywords
Indazolo[2,1-b]phthalazine-trione; Multicomponent reaction; Phthalhydrazide; Dimedone; Solvent-free; TBBDA; PBBS
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Funding
- Bu-Ali Sina University, Center of Excellence and Development of Chemical Methods (CEDCM)
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N,N,N',N'-Tetrabromobenzene-1,3-disulfonamide and poly(N-bromo-N-ethylbenzene-1,3-disulfonamide) were used as efficient catalysts for the one-pot synthesis of aliphatic and aromatic 2H-indazolo[2,1-b]phthalazine-triones in excellent yields from aldehydes, phthalhydrazide, and dimedone at 80-100 degrees C under solvent-free conditions. (C) 2011 Elsevier Ltd. All rights reserved.
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