Electric Literature of 288-36-8, New Advances in Chemical Research in 2021. The appropriate choice of redox mediator can avoid electrode passivation and overpotential, which strongly inhibit the efficient activation of substrates in electrolysis. 288-36-8, name is 1H-1,2,3-Triazole, molecular formula is C2H3N3, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, below Introduce a new synthetic route.
A solution of 2-bromo-3-thiophene carboxylic acid (1.50 g, 7.24 mmol), 1H- 1,2,3-triazole (0.600 g, 8.69 mmol), potassium carbonate (2.00 g, 14.5 mmol), and copper(I)iodide (0.138 g, 0.724 mmol) in DMF (36.2 mL) was sparged with nitrogen and heated to 75 Cfor 96 h. The cooled reaction mixture was diluted with water and washed with ether. Theaqueous layer was acidified with conc. HC1. The acidic aqueous solution was extracted 3x with EtOAc and the combined organic fractions were washed with brine, dried over MgSO4, filtered, and concentrated in vacuo. The crude material was purified by silica gel chromatography [0-70% (1% acetic acid in EtOAc) in hexanesj to provide the title compound. LRMS mlz (M+H)196.2 found, 196.1 required.
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Reference:
Patent; MERCK SHARP & DOHME CORP.; KIM, Ronald; KUDUK, Scott, D.; LIVERTON, Nigel; ZHUO, Gang; (97 pag.)WO2016/100157; (2016); A2;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics