Efficient Three-Component Synthesis of ۲,۴,۵-Trisubstituted Imidazoles using Silica-Tethered Cuprous Acetophenone Thiosemicarbazone
Publish Year: 1400
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICCNRT04_083
تاریخ نمایه سازی: 20 مهر 1400
Abstract:
The synthesis and characterization of silica-tethered cuprous acetophenone thiosemicarbazone (STCATSC) as a highly efficient heterogeneous nano catalyst is explained. The catalytic activity of STCATSC was examined in the efficient three-component synthesis of ۲,۴,۵-trisubstituted imidazoles. The highly substituted imidazoles were efficiently prepared via three-component reaction of benzil, aldehydes, and ammonium acetate in the presence of STCATSC at solvent-free condition in good to excellent yields. Various microscopic and spectroscopic techniques were used for characterization of STCATSC which include XRD, EDS, SEM, FT-IR, and TGA. STCATSC proved to be an inexpensive, stable, reusable and environmentally benign hybrid catalyst
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Authors
Somayeh Brhrouz
Medicinal Chemistry Research Laboratory, Department of Chemistry, Shiraz University of Technology, Shiraz ۷۱۵۵۵-۳۱۳, Iran
Davood Rezapour Niri
Medicinal Chemistry Research Laboratory, Department of Chemistry, Shiraz University of Technology, Shiraz ۷۱۵۵۵-۳۱۳, Iran