Adding a certain compound to certain chemical reactions, such as: 627871-16-3, name is 5-Bromo-4-fluoro-2-methylaniline, belongs to bromides-buliding-blocks 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 627871-16-3, HPLC of Formula: C7H7BrFN
General Procedure: Methyl 2-{[4-(chlorosulfonyl)-2,3-dimethylphenyl]oxy}propanoate (7) (4 g, 13.0 mmol) was dissolved in pyridine (10 mL). After 5 min, 3-bromo-2-chloroaniline (3.22 g, 15.6 mmol) was added. The reaction was complete within a few hours. The reaction mixture was then extracted using diethyl ether. The combined organic phases were washed with 1N HCl and brine, dried over sodium sulfate, filtered, and concentrated in vacuo to afford the title compound which was used without further purification.
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Reference:
Article; Evans, Karen A.; Shearer, Barry G.; Wisnoski, David D.; Shi, Dongchuan; Sparks, Steven M.; Sternbach, Daniel D.; Winegar, Deborah A.; Billin, Andrew N.; Britt, Christy; Way, James M.; Epperly, Andrea H.; Leesnitzer, Lisa M.; Merrihew, Raymond V.; Xu, Robert X.; Lambert, Millard H.; Jin, Jian; Bioorganic and Medicinal Chemistry Letters; vol. 21; 8; (2011); p. 2345 – 2350;,
Bromide – Wikipedia,
bromide – Wiktionary