Synthesis of 1,3,5-tri-substituted pyrazoles promoted by P2O5.SiO2

Iranian Journal of Catalysis

مقاله 1، دوره 2، شماره 2، شهریور 2012، صفحه 75-78   

نویسندگان

Abdolhamid Bamoniri¹؛ BiBi Fatemeh Mirjalili^{* 2}؛ Abbas Ali Jafari²؛ Fatemeh Abasaltian²

¹Department of Organic Chemistry, Faculty of Chemistry, University of Kashan , Kashan, I.R.Iran.

²Department of Chemistry, College of Science, Yazd University, P.O.Box 89195-741, Yazd, I.R.Iran.

چکیده

Silica supported phosphorus pentoxide (P₂O₅·SiO₂) is an efficient catalyst for synthesis of 1,3,5-substituted pyrazoles via the condensation of 1,3-diketones and hydrazines. Simplicity of procedure, mild condition, being solvent-free, high yields, and easy workup are some advantages of this protocol.

کلیدواژه‌ها

P2O5.SiO2؛ 1؛ 3؛ 5-tri-substituted pyrazoles؛ 3-diketones؛ Hydrazines؛ Solvent-free

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