New discoveries in chemical research and development 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. 956317-36-5, name is 5-Methyl-2-(2H-1,2,3-triazol-2-yl)benzoic acid belongs to triazoles compound, it is a common compound, a new synthetic route is introduced below. COA of Formula: C10H9N3O2
General procedure: TEA (1.20 mL, 8.63 mmol) was added to a solution of N-ethyl-2[3-(5-fluoro-pyridin-2-yl)-1H-pyrazol-l-yl] ethanamine dihydrochloride(0.50 g, 1.63 mmol) in CHC13 (5 mL) at room temperature.5-methyl-2-(2H-1,2,3-triazol-2-yl)benzoic acid (0.36 g, 1.79 mmol)and propylphosphonic acid anhydride (cyclic trimer) (50% solutionin DMF [approximately 1.6 mol/L], 1.32 mL, 2.12 mmol) wereadded to the reaction solution under cooling in ice water. Theresultant mixture was stirred at 50 C for 5 h. After standing untilcooled to room temperature, water was added thereto, followedby extraction with CHCl3. The organic layer was washed with brine.Then, the organic layer was dried over MgSO4 and the desiccantwas filtered off. Then, the solvent was distilled off under reducedpressure. The obtained residue was purified by column chromatography(20-80% EtOAc in hexanes) and washed with Et2O to yieldthe title compound 4a as a colorless powder (0.51 g, 75%).
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Reference:
Article; Suzuki, Ryo; Nozawa, Dai; Futamura, Aya; Nishikawa-Shimono, Rie; Abe, Masahito; Hattori, Nobutaka; Ohta, Hiroshi; Araki, Yuko; Kambe, Daiji; Ohmichi, Mari; Tokura, Seiken; Aoki, Takeshi; Ohtake, Norikazu; Kawamoto, Hiroshi; Bioorganic and Medicinal Chemistry; vol. 23; 6; (2015); p. 1260 – 1275;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics