Simple exploration of 4-Chlorobenzenesulfonamide

According to the analysis of related databases, 98-64-6, the application of this compound in the production field has become more and more popular.

In the chemical reaction process, reaction time, type of solvent, can easily affect the result of the reaction, thereby determining the yield and properties of the reaction product. An updated downstream synthesis route of 98-64-6 as follows. Application In Synthesis of 4-Chlorobenzenesulfonamide

General procedure: To a round-bottom flask (500 mL) that contained a solution of aryl sulfonamide (6 mmol), 4-dimethyaminopyridine (DMAP, 13 mmol), and 1-[3-(dimethyamino)-propyl]-3-ethylcarbodiimide hydrochloride (EDCI, 13 mmol) in CH2Cl2 (150 mL) was added the synthesized cinnamic acid (6 mmol) at room temperature. The resulting mixture was stirred at room temperature for 12 h, then cooled to 5 °C, and acidified to pH 1 with addition of HCl aqueous solution (10percent), which was followed by extraction with CH2Cl2/MeOH (9:1, 3 .x. 100 mL). The combined organic layers were washed with H2O and brine, dried over Na2SO4, and concentrated in vacuo. The residue was subjected to silica gel chromatography or crystallization if necessary to afford the compounds (9a-16e) (Scheme 1).

According to the analysis of related databases, 98-64-6, the application of this compound in the production field has become more and more popular.

Reference:
Article; Luo, Yin; Qiu, Ke-Ming; Lu, Xiang; Liu, Kai; Fu, Jie; Zhu, Hai-Liang; Bioorganic and Medicinal Chemistry; vol. 19; 16; (2011); p. 4730 – 4738;,
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