Electric Literature of 1001401-62-2, New Advances in Chemical Research in 2021. Chemo-enzymatic cascade processes are invaluable due to their ability to rapidly construct high-value products from available feedstock chemicals in a one-pot relay manner. 1001401-62-2, name is 2-(2H-1,2,3-Triazol-2-yl)benzoic acid, molecular formula is C9H7N3O2, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, below Introduce a new synthetic route.
A mixture of 2-(2H-l,2,3-triazol-2-yl)benzoic acid (100 mg, 0.528 mmol) in SOCl2 (251.5 mg, 2.11 mmol) was stirred at RT for 0.5 h, then concentrated in vacuo. To a solution of the product from Step 3 (110 mg, 0.48 mmol) and Et3N (145.7 mg, 1.44 mmol) in DCM (1 mL) at 0 C was added a solution of the above residue in DCM (1 mL) dropwise. The resulting mixture was stirred at 0 C for 2 h, then quenched with water (1 mL) and extracted with DCM (2 mL x 3). The combined organic layers were washed with brine (2 mL), dried over Na2SC>4, filtered, and concentrated in vacuo. The residue was purified by prep-TLC (50% EtOAc in petroleum ether) to give the title compound as a oil. LRMS m/z (Mu+Eta) 400.0, 402.0 found, 400.1, 402.1 required.
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Reference:
Patent; MERCK SHARP & DOHME CORP.; KUDUK, Scott, D.; LIVERTON, Nigel; LUO, Yunfu; (85 pag.)WO2016/100156; (2016); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics