Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 1347736-74-6, name is 4,7-Dibromo-5-fluoro-2,1,3-benzothiadiazole, This compound has unique chemical properties. The synthetic route is as follows., Product Details of 1347736-74-6
2.1.1 3,6-Dibromo-4-fluoro-1,2-phenylenediamine (1) 4,7-Dibromo-5-fluoro-2,1,3-benzothiadiazole (5 g, 0.016 mol) was dissolved in ethanol (150 ml), then sodium borohydride (12.1 g, 0.32 mol) was added portion wise at 0 C, and the reactants were stirred for 20 h at room temperature. After evaporation of the solvent, 160 ml water was added, and the mixture was extracted with ethyl acetate. The extract was washed with brine and dried over anhydrous magnesium sulfate. The residue was purified by column chromatography on silica gel using hexane/ethyl acetate (25:1) as eluent to afford 3,6-dibromo-4-fluoro-1,2-phenylenediamine (3.5 g) as a pale solid in 78% yield. 1H NMR (CDCl3, 500 MHz) delta(ppm): 6.81(d,1H,J = 8 Hz), 3.63(s,4H). 13C NMR(500 MHz, CDCl3): delta(ppm), 154.16, 152.25, 135.75, 135.73, 128.73, 128.71, 109.44, 109.35, 108.83, 108.62, 96.78, 96.58. mp: 94 C. Anal. Calcd for (C6H5Br2FN2) (%):C25.38, H 1.78, N 9.87. Found (%):C 24.29, H 1.83, N 10.14.
Chemical properties determine the actual use. Each compound has specific chemical properties and uses. We look forward to more synthetic routes in the future to expand reaction routes of 1347736-74-6.
Reference:
Article; Wu, Haimei; Qu, Bo; Tian, Di; Cong, Zhiyuan; Gao, Bowen; Liu, Jianqun; An, Zhongwei; Gao, Chao; Xiao, Lixin; Chen, Zhijian; Gong, Qihuang; Wei, Wei; Reactive and functional polymers; vol. 73; 11; (2013); p. 1432 – 1438;,
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