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Mohsen Shekouhy,Ali Moaddeli,Ali Khalafi-Nezhad 한국공업화학회 2017 Journal of Industrial and Engineering Chemistry Vol.50 No.-
The nano-sized copper/zinc-modified MCM-41 (Cu/Zn-MCM-41) was successfully prepared and appliedas a new heterogeneous mesoporous nano-catalyst in a more benign and novel one-pot three componentstrategy for the synthesis of 6-substituted 2,4-diamino-1,3,5-triazines from aryl-aldehydes, hydroxyl-amine and 2-cyanoguanidine under microwave irradiation. Using this method, the major problems ofpreviously reported methods (very low diversity of available starting materials and the production ofexplosive byproducts) have been solved and all desired products were obtained in good to excellentyields in very short times.
Hamid Reza Safaei,Mohsen Shekouhy,Shima Khademi,Vahid Rahmanian,Maryam Safaei 한국공업화학회 2014 Journal of Industrial and Engineering Chemistry Vol.20 No.5
A highly efficient and environmentally benign procedure for the synthesis of quinazoline derivatives via the condensation of carbonyl compounds with 2-aminobenzamide using zirconium tetrakis(dodecyl-sulfate) [Zr(DS)4] as a highly efficient, reusable Lewis acid-surfactant-combined catalyst is described. A broad range of substrates including aldehydes and ketones are successfully condensed with 2-aminobenzamide and all reactions are completed in short times and the products are obtained in good to excellent yields. The catalyst could be recycled and reused several times without any loss of efficiency. Moreover, presented procedure has been applied successfully for the synthesis of spiro-quinazolinones and fused ring-quinazolinone derivatives.