Gadolinium oxide(Gd2O3) as an Effective Catalyst for Synthesis of 5-methyl-7-aryl-4,7-dihydrotetraazolo[1,5-a]pyrimidine-6-carboxylic esters

Author(s): Arun Murlidhar Bhagare

Various substituted dihydrotetrazolo[1,5-a] pyrimidine derivatives have been synthesized by reacting the mixture of aromatic aldehydes, ethyl acetoacetate, and 5-amino tetrazole in one pot by using gadolinium ox-ide(Gd2O3) as catalyst. Structures were confirmed by using IR and NMR techniques.


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