Related Products of 41253-21-8, 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. 41253-21-8, name is Sodium 1,2,4-triazol-1-ide, molecular formula is C2H2N3Na, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, below Introduce a new synthetic route.
[0433] 1,2,4-Triazole sodium salt (236 mg, 2.7 mmol) was added to a solution of the title compound from Example 7, Step 1 (1.9 mmol) in 1.5 ml of DMF and the resulting mixture was heated at 50 C. for 18 hours. The cooled reaction mixture was diluted with 10% aqueous sodium bicarbonate (15 ml) and extracted with three 15 ml portions of dichloromethane. The combined organic layers were dried (Na2SO4) and concentrated to an oil. Purification by flash chromatography (10 micron mesh silica gel; elution with methanol: dichloromethane, 3:97 in volume) afforded the title compound as an oil (415 mg, 70% yield). [0434] Mass spectrum: m/z 314, 316 (m, m+2). [0435] 13C NMR (125 MHz, CDCl3) delta 152.5, 143.5, 141.9, 141.6, 134.2, 133.4, 131.4, 130.3, 129.3, 127.8, 127.7, 122.6, 53.4 ppm.
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Reference:
Patent; Pfizer Inc.; US2004/229874; (2004); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics