Journal2013
Synthesis of 6-amino-4-(4-methoxyphenyl)-5-cyano-3-methyl-1-phenyl-1,4-dihydropyrano[2,3-c]pyrazoles using disulfonic acid imidazolium chloroaluminate as a dual and heterogeneous catalyst
New Journal of Chemistry Vol. 37, No. 12, 4089–4089
چکیده
In this work, disulfonic acid imidazolium chloroaluminate {[Dsim]AlCl4} is applied as a new acidic and heterogeneous catalyst for green, simple and efficient synthesis of 6-amino-4-(4-methoxyphenyl)-5-cyano-3-methyl-1-phenyl-1,4-dihydropyrano[2,3-c]pyrazoles by the one-pot multi-component condensation of aryl aldehydes with ethyl acetoacetate, malononitrile and hydrazine hydrate at 80 °C under solvent-free conditions.
موضوعات و کلیدواژهها
Multicomponent Synthesis of HeterocyclesSynthesis and biological activityChemical Synthesis and ReactionsChemistryMalononitrileEthyl acetoacetateHydrazine (antidepressant)HydrateCatalysisArylOrganic chemistrySolventCondensationHeterogeneous catalysisMedicinal chemistry
ارجاع علمی
Ahmad Reza Moosavi‐Zare, Mohammad Ali Zolfigol, Ehsan Noroozizadeh, Mahsa Tavasoli, Vahid Khakyzadeh, Abdolkarim Zare. “Synthesis of 6-amino-4-(4-methoxyphenyl)-5-cyano-3-methyl-1-phenyl-1,4-dihydropyrano[2,3-c]pyrazoles using disulfonic acid imidazolium chloroaluminate as a dual and heterogeneous catalyst.” New Journal of Chemistry, 2013. https://doi.org/10.1039/c3nj00629h