Application of 121643-44-5, Adding some certain compound to certain chemical reactions, such as: 121643-44-5, name is 2-Methoxy-3-(trifluoromethyl)pyridine,molecular formula is C7H6F3NO, 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 121643-44-5.
2-Methoxy-3-trifluoromethyl-pyridine (2.7 g, 14.79 mmol) and 1 ,3-dibromo-5,5- dimethylhydantoin (5.28g, 18.48 mmol) were placed in a round-bottom flask. To this mixture was slowly added 40ml TFA. The mixture was stirred overnight at ambient temperature (16h). After completion of the reaction, TFA solvent was evaporated in vacuo and the resulting residue was neutralized to pH6-7 by the addition of saturated NaHC03. The aqueous layer was extracted with DCM two times and the combined extract was washed with brine, dried over magnesium sulfate and concentrated in vacuo to give a mixture of oil and white solid. The residue was redissolved into 20% Ethylacetate/Heptane (50ml) and the insoluble white solid was filtered off. The filtrate was concentrated and then purified by Flash- chromatography on silica gel (EtOAc/Heptane 5/95) to give 5-Bromo-2-methoxy-3- trifluoromethyl-pyridine as a colorless liquid (2.08 g, 52% yield).1 H-NMR (400 MHz, DMSO-d6, 298 K): ? ppm 4.03 (s, 3H) 7.95 (d, 1 H) 8.4 (d, 1 H).
In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles. 121643-44-5, 2-Methoxy-3-(trifluoromethyl)pyridine, other downstream synthetic routes, hurry up and to see.
Reference:
Patent; NOVARTIS AG; FURET, Pascal; HEBACH, Christina; HOeGENAUER, Klemens; HOLLINGWORTH, Gregory; LEWIS, Ian; SMITH, Alexander, Baxter; SOLDERMANN, Nicolas; STAUFFER, Frederic; WOLF, Romain; ZECRI, Frederic; WO2013/57711; (2013); A1;,
Pyridine – Wikipedia,
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