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. 58530-53-3, name is 2,4-Dibromopyridine. This compound has unique chemical properties. The synthetic route is as follows. COA of Formula: C5H3Br2N
A mixture was prepared of 2,4-dibromopyridine (10 g, 42.21 mmol), phenylboronic acid (5.1 g, 42.21 mmol), and potassium carbonate (11.7 g, 84.42 mmol) in 100 mL dimethoxyethane and 40 mL of water. Nitrogen was bubbled directly into the mixture for 30 minutes. Next, tetrakis(triphenylphosphine)palladium(0) was added (244 mg, 2.11 mmol) and the mixture was heated to reflux under nitrogen overnight. The mixture was cooled and diluted with ethyl acetate and water. The layers were separated and the aqueous layer was extracted with ethyl acetate. The organic layers were washed with brine, dried over magnesium sulfate, filtered, and evaporated to a residue. The residue was purified by column chromatography eluting with 0, 2, and 5% ethyl acetate/hexanes. Obtained 4.28 g of a yellow liquid (43%).
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Reference:
Patent; UNIVERSAL DISPLAY CORPORATION; XIA, Chuanjun; ALLEYNE, Bert; KWONG, Raymond C.; FIORDELISO, James; WEAVER, Michael S.; ANSARI, Nasrin; DEANGELIS, Alan; RAYABARAPU, Dinesh; ADAMOVICH, Vadim; US2015/307535; (2015); A1;,
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