Nano SiO2/H2SO4 as catalyst for the Beckmann rearrangement and deoximation of aldoximes
الموضوعات : Iranian Journal of Catalysis
Marziyeh Bagheri
1
,
Mostafa Karimkoshteh
2
1 - Department of Chemistry, Faculty of Science, Urmia University, Urmia 57159-165, Iran.
2 - Department of Chemistry, Faculty of Science, Urmia University, Urmia 57159-165, Iran.
الکلمات المفتاحية: oxime, Nano SiO2, Amide, Carbonyl compound,
ملخص المقالة :
Nano silica-H2SO4 is an efficient and mild catalysis system for the regeneration of aldehyde from aldoximes. Ketoximes are converted to amides by Beckmann rearrangement in the presence of nano silica-H2SO4. The reactions are carried out in solvent-free conditions under microwave irradiation (600 W) within 50-120 sec in good yields.
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