@article { author = {Sajjadifar, Sami and Zolfigol, Mohammad Ali and Chehardoli, Gholamabbas}, title = {Boron sulfuric acid as an efficient heterogeneous catalyst for the synthesis of 1-substituted 1H-1,2,3,4-tetrazoles in polyethylene glycol}, journal = {Eurasian Chemical Communications}, volume = {2}, number = {7}, pages = {812-818}, year = {2020}, publisher = {Sami Publishing Company (SPC)}, issn = {2717-0535}, eissn = {2676-6280}, doi = {10.33945/SAMI/ECC.2020.7.8}, abstract = {Boron sulfuric acid (BSA) is an efficient heterogeneous catalyst for the synthesis of 1-substituted 1H-1, 2, 3, 4-tetrazoles from the reaction of aryl and alkyl amines with triethyl orthoformate and sodium azide at 120 oC in polyethylenglicole (PEG).}, keywords = {Boron sulfuric acid (BSA),Heterogeneous catalyst,aryl and alkyl amines,Triethyl orthoformates,1-substituted 1H-1,2,3,4-tetrazole,Green chemistry}, url = {https://www.echemcom.com/article_107427.html}, eprint = {https://www.echemcom.com/article_107427_4cf440787d8606c7fa07f7915024bc73.pdf} }