Synthesis of 2-Substitued Benzimidazoles Using P2O5-SiO2
محورهای موضوعی : Iranian Journal of CatalysisAhmad Reza Momeni 1 , Somayeh Bagheri 2
1 - Faculty of Science, Shahrekord University, Shahrekord 115-381, Iran
2 - Faculty of Science, Shahreza Branch Islamic Azad University, 86145-311, Iran
کلید واژه: P2O5/SiO2, Solvent-free, Benzimidazole, o-Phenylenediamine, Supported catalyst,
چکیده مقاله :
P2O5-SiO2 (30% w/w) was found to be a useful catalyst for the synthesis of various 2-substituted aryl benzimidazoles under solvent-less and in solvent conditions from o-phenylenediamine and aldehydes. The products were directly recrystallized from methanol.
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