Multi-component Synthesis of 1,4-dihydropyrano[2,3-c]pyrazoles in the presence of Co3O4@SiO2-NH2 nanocomposites as catalyst
Publish Year: 1396
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
SECONF01_004
تاریخ نمایه سازی: 29 مهر 1396
Abstract:
In this research a series of pyranopyrazoles were efficiently synthesized via the one-pot fourcomponent reactions of ethyl acetoacetate, hydrazinehydrate, aldehydes and malononitrile in the presence of Co3O4@SiO2-NH2 nanocomposites ascatalyst. This study offers many advantages including short reaction times, excellent yields, environmental friendly nature, simple purification techniques and economic availability of the catalyst. The structure andmagnetic characteristics of the nanocatalyst were fully characterized by spectral techniques including TEM, FE-SEM, EDX, XRD, FT-IR and VSM analysis.
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Authors
Shakiba Shahbazi
Department of Microbiology, Qom Branch, Islamic Azad University, Qom, I. R.Iran,
Mohammad Reza Zolfaghari
Department of Microbiology, Qom Branch, Islamic Azad University, Qom, I. R. Iran,
Mohammad Ali Ghasemzadeh
Department of Chemistry, Qom Branch, Islamic Azad University, Qom, I. R. Iran,