Adding a certain compound to certain chemical reactions, such as: 1575-37-7, name is 4-Bromobenzene-1,2-diamine, 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 1575-37-7, Application In Synthesis of 4-Bromobenzene-1,2-diamine
Example 248B 5-Bromo-1H-benzotriazole A mixture of Example 248A (262 mg; 1.4 mmol) in 10% H2SO4 (4 mL) was treated with NaNO2 (120 mg; 1.7 mmol) in water (1 mL), stirred for 30 min., diluted with water, and extracted with EtOAc. The extracts were rinsed with brine, dried (Na2SO4), concentrated and purified by flash chromatography (5% MeOH/CH2Cl2) to provide the desired product.
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Reference:
Patent; Li, Qun; Woods, Keith W.; Zhu, Gui-Dong; Fischer, John P.; Gong, Jianchun; Li, Tongmei; Gandhi, Virajkumar; Thomas, Sheela A.; Packard, Garrick K.; Song, Xiaohong; Abrams, Jason N.; Diebold, Robert B.; Dinges, Jurgen; Hutchins, Charles W.; Stoll, Vincent S.; Rosenberg, Saul H.; Giranda, Vincent L.; US2003/199511; (2003); A1;,
Bromide – Wikipedia,
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