TY - JOUR ID - 107427 TI - Boron sulfuric acid as an efficient heterogeneous catalyst for the synthesis of 1-substituted 1H-1,2,3,4-tetrazoles in polyethylene glycol JO - Eurasian Chemical Communications JA - ECC LA - en SN - 2717-0535 AU - Sajjadifar, Sami AU - Zolfigol, Mohammad Ali AU - Chehardoli, Gholamabbas AD - Department of Chemistry, Payame Noor University, PO BOX 19395-4697 Tehran, Iran. AD - Department of Organic Chemistry, Faculty of Chemistry, Bu‐Ali Sina University, 6517838683 Hamedan, Iran AD - Medicinal Plants and Natural Products Research Center, Hamadan University of Medical Sciences, Hamadan, Iran Y1 - 2020 PY - 2020 VL - 2 IS - 7 SP - 812 EP - 818 KW - Boron sulfuric acid (BSA) KW - Heterogeneous catalyst KW - aryl and alkyl amines KW - Triethyl orthoformates KW - 1-substituted 1H-1,2,3,4-tetrazole KW - Green chemistry DO - 10.33945/SAMI/ECC.2020.7.8 N2 - 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). UR - https://www.echemcom.com/article_107427.html L1 - https://www.echemcom.com/article_107427_4cf440787d8606c7fa07f7915024bc73.pdf ER -