288-36-8, Adding a certain compound to certain chemical reactions, such as: 288-36-8, name is 1H-1,2,3-Triazole, belongs to Triazoles compound, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 288-36-8.
lH-Triazole (760 mg, 11 mmol) was added to a suspension of 2,3-dichloro-5-nitro-pyridine (965 mg, 5 mmol) and anhydrous potassium carbonate (1.03 g, 7.5 mmol) in THF (50 mL), and the mixture was stirred overnight at room temperature. The mixture was diluted with EtOAc (100 mL), washed with water and brine, and the organic phase was dried over anhydrous sodium sulfate, filtered and concentrated. The residue was purified by silica chromatography (hexane: EtOAc= 5: 1 to 1: 1) to give the title compound (505 mg, 44%). 1H NMR (400 MHz, DMSO-iM): delta 9.39 (d, 1H), 9.15 (d, 1H), 8.34 (s, 2H).
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Reference:
Patent; CORNELL UNIVERSITY; DANA-FARBER CANCER INSTITUTE, INC.; CHILDREN’S MEDICAL CENTER CORPORATION; MELNICK, Ari, M.; GABAS, Lorena, Fontan; US, Ilkay; CASALENA, Gabriella; GRAY, Nathanael, S.; SCOTT, David, A.; HATCHER, John; DU, Guangyan; WU, Hao; QIAO, Qi; (157 pag.)WO2018/85247; (2018); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics