Adding a certain compound to certain chemical reactions, such as: 1435-51-4, name is 1,3-Dibromo-5-fluorobenzene, 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 1435-51-4, category: bromides-buliding-blocks
A solution of l,3-dibromo-5-fluorobenzene (0.50 g, 1.99 mmol), 3-thiopheneboronic acid (0.254 g, 1.99 mmol), 2.0 M aqueous Sodium carbonate (1.99 niL, 3.97 mmol) and Pd(PPh3)4 (115 mg, 0.10 mmol) in toluene (9.2 mL) and ethanol (2.4 mL), was heated at 1000C for 1.5 hours by microwave. The product mixture was diluted with EtOAc (100 mL) filtered, washed with water (50 mL), brine (50 mL), dried with Na2SO4 and concentrated. Flash chromatography (2% EtOAc in hexane, silica) resulted in 400 mg of pure product as a clear oil.
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Reference:
Patent; ARENA PHARMACEUTICALS, INC.; WO2006/65600; (2006); A2;,
Bromide – Wikipedia,
bromide – Wiktionary