Bahareh Sadeghi
Department of Chemistry, Yazd Branch, Islamic Azad University, Yazd, Iran
[ 1 ] - Nano-rice bran /TiCl4 a highly efficient catalyst for the one-pot synthesis of pyrano[3,2-b]pyrans
Nano-rice bran/TiCl4has been prepared from rice bran and TiCl4 in n-hexane as solvent. Thennanoricebran/TiCl4 has been introduced as a novel catalystfor the three component synthesis of pyrano[3,2-b] pyransfrom the simple one-pot reactionbetweenaryl aldehydes,cyanoacetamide and kojicacid.Cleanliness, an eco-friendly catalyst, simple methodology, short time, and excellent yields ofproducts are s...
[ 2 ] - One-pot Synthesis of Pyrano[2,3-d]Pyrimidines using Nanocellulose-SbCl5 as a Highly Efficient and Bio-based Catalyst
The reaction of nano-cellulose and antimony pentachloridein dichloromethane gave nano-cellulose-SbCl5. Also nano-cellulose-SbCl5 has beencharacterized by energy dispersive X-ray spectroscopy(EDX), scanning electron microscopy (SEM)and Fourier transform infrared spectroscopy(FTIR).Nano-cellulose-SbCl5has been applied as a nano-catalyst for synthesis of pyrano[2,3-d]pyrimidines from the simple on...
[ 3 ] - Microwave Assisted Multi-component Synthesis of 4Hchromene Derivatives by Nano-coconut Shell-BF3 as a New Heterogeneous Catalyst
Microwave assisted reactions have gained considerable attention, due to versatility and reduction ofsolvent and reaction time. The reaction of a nano-coconut shell and boron tri-fluoride in diethylether solvent resulted in preparation of nano-coconut shell-BF3 as a catalyst. The nano-coconutshell-BF3 catalyst has been characterized by fourier transform infrared spectroscopy (F...
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