Synthetic Route 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.
To a solution of 4-cyclohexyl-4-methansulfonyloxymethyl-piperidine-1-carboxylic acid tert-butyl ester (39 g, 103.8 mmol) in N,N-dimethylformamide (200 mL) is added sodium triazole (38 g, 415.2 mmol). The resulting solution is heated to 100 C. for 24 hours then cooled to room temperature. The solvent is removed under reduce pressure and the crude product purified over silica (80:20 EtOAc:hexane) to afford 28.7 g (79.7% yield) of the desired compound as a colorless solid. 1H NMR (CD3OD) delta 0.95-1.90 (m, 15H), 1.46 (s, 9H), 3.45-3.55 (m, 4H), 4.34 (s, 2H), 7.99 (s, 1H), 8.48 (s, 1H). MS (ESI) m/z 349, (M+H+), 371(M+Na+)
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Reference:
Patent; The Procter & Gamble Company; US2003/236230; (2003); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics