Adding a certain compound to certain chemical reactions, such as: 53531-69-4, name is (4-Bromophenyl)methanesulfonyl chloride, 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 53531-69-4, Product Details of 53531-69-4
C-(4-Bromophenyl)-N-(2,4-dimethoxybenzyl)methanesulfonamide While cooling with ice, 20.0 g of 4-bromobenzylsulfonyl chloride were initially charged in 200 ml of dichloromethane, and a solution of 24 ml of 2,4-dimethoxybenzylamine in 100 ml of dichloromethane was slowly added dropwise. For improved stirrability, a further 100 ml of dichloromethane were added, and the reaction mixture was allowed to come to room temperature. After stirring for 2 hours, the reaction mixture was washed with 100 ml of water, with 100 ml of 0.2 N aqueous hydrochloric acid, with 100 ml of saturated aqueous sodium hydrogencarbonate solution and finally once more with 100 ml of water. The organic phase was dried over Na2SO4, concentrated by rotary evaporation and dried under high vacuum. The residue (30 g) was used in the next reaction without further purification.
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Reference:
Patent; SANOFI; Boehme, Thomas; Ritter, Kurt; Engel, Christian; Haack, Torsten; Guessregen, Stefan; Tschank, Georg; US2013/345127; (2013); A1;,
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