Adding a certain compound to certain chemical reactions, such as: 21397-08-0, name is 2-Chloro-3-fluoroaniline, belongs to chlorides-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 21397-08-0, Recommanded Product: 21397-08-0
c) 2-Chloro-3-fluorophenylisothiocyanate Into a solution of 2-chloro-3-fluoroaniline (2.61 g, 17.94 mmol) in 50 mL of toluene at room temperature, thiophosgene (2.1 mL, 26.91 mmol) and triethylamine (3.02 mL, 26.91 mmol) was added. The mixture was stirred at room temperature for 16 hours. The mixture was partitioned between ethyl acetate and water. The combined organic layer was then concentrated to give the desired product (2.99 g, 89%). 1H NMR (CDCl3) delta 7.10 (m, 1H), 7.22 (m, 1H).
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Reference:
Patent; Palovich, Michael R.; Widdowson, Katherine L.; Nie, Hong; US2003/216375; (2003); A1;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics