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. 51039-49-7, name is 2-Phenyl-2H-1,2,3-triazole belongs to triazoles compound, it is a common compound, a new synthetic route is introduced below. SDS of cas: 51039-49-7
Step3. Synthesis of 2-(4-bromophenyl)-2H-1,2,3-triazole. [1.1.5c] 1.1.5c 1.1.5b (68 mg, 0.468 mmol) was dissolved in concentrated H2S04 (2 mL) and Br2 (0.024 mL, 0.468 mmol) was added, followed by Ag2S04 (175 mg, 0.56 mmol). After stirring at room temperature for 40 minutes, the reaction mixture was poured into water and extracted with ethyl acetate. The organic layer was dried (Na2S04) and concentrated to afford 1.1.5c (40 mg, 38 % yield) as an off white solid. LCMS (m/z) 225.9 [M+H]+ 1H NMR (400 MHz, CDCI3) 7.99 (d, J = 8.61 Hz, 2H), 7.83 (s, 2H), 7.62 (d, J = 8.61 Hz, 2H)
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Reference:
Patent; NOVARTIS AG; FU, Jiping; KARUR, Subramanian; MADERA, Ann Marie; PECCHI, Sabina; SWEENEY, Zachary Kevin; TJANDRA, Meiliana; YIFRU, Aregahegn; WO2014/160649; (2014); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics