%0 Journal Article %T Boron sulfuric acid as an efficient heterogeneous catalyst for the synthesis of 1-substituted 1H-1,2,3,4-tetrazoles in polyethylene glycol %J Eurasian Chemical Communications %I Sami Publishing Company (SPC) %Z 2717-0535 %A Sajjadifar, Sami %A Zolfigol, Mohammad Ali %A Chehardoli, Gholamabbas %D 2020 %\ 07/01/2020 %V 2 %N 7 %P 812-818 %! Boron sulfuric acid as an efficient heterogeneous catalyst for the synthesis of 1-substituted 1H-1,2,3,4-tetrazoles in polyethylene glycol %K Boron sulfuric acid (BSA) %K Heterogeneous catalyst %K aryl and alkyl amines %K Triethyl orthoformates %K 1-substituted 1H-1,2,3,4-tetrazole %K Green chemistry %R 10.33945/SAMI/ECC.2020.7.8 %X 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). %U https://www.echemcom.com/article_107427_4cf440787d8606c7fa07f7915024bc73.pdf