CdO nanoparticles as an efficient, mild and recyclable catalyst for the synthesis of 2-aryl benzoxazole derivatives by grinding method
الموضوعات : Iranian Journal of Catalysis
Ashok Borhade
1
(Department of Chemistry, Research Center, HPT Arts and RYK Science College, Nasik, 422005, India.)
Bhagwat Uphade
2
(bDepartment of Chemistry, Research Center, Padmashri Vikhe Patil College, Pravaranagar, 413713, India.)
الکلمات المفتاحية: Solvent free, Nano-catalyst, Benzoxazole derivatives, CdO nanoparticles, Grinding method,
ملخص المقالة :
CdO nanoparticles efficiently catalyzes the condensation of aromatic aldehydes with 2-aminophenol at room temperature to afford 2-aryl benzoxazole derivatives by grinding method. The reactions proceed under heterogeneous and mild conditions to provide 2-aryl benzoxazoles in excellent yields (87-97 %) with high purity under solvent free condition. The reaction requires short time (5-23 minutes) under moderate conditions. The purification of products by non-chromatographic methods is additional feature of this method. A series of 2-aryl bezoxazole have been successfully synthesized by this method. Ease of recycled catalyst, cleaner process, solvent free and lower catalytic loading are the most advantages of the proposed method.
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