Synthetic Route of 1289131-55-0, As we all know, there are many different methods for the synthesis of a compound, and people can choose the synthesis method that suits their own laboratory according to the actual situation. 1289131-55-0, name is 4-Bromo-2-(2-methoxyethoxy)pyridine, molecular formula is C8H10BrNO2, The compound is widely used in many fields, so it is necessary to find a new synthetic route. The downstream synthesis method of this compound is introduced below.
General procedure: A mixture of 4-bromo-2-ethoxypyridine (150 mg, 0.742 mmol), £>/s(pinacolato)diboron (754 mg, 2.97 mmol), PdCI2(dppf) (54.3 mg, 0.074 mmol) and potassium acetate (291 mg, 2.97 mmol) in 1 ,4- dioxane (3 ml.) was heated in a microwave at 1 10 C for 2 x 30 min. The reaction was diluted with EtOAc and filtered through a Celite column. The filtrate was evaporated to give a brown residue. This crude material was used in subsequent steps without further purification and the yield was assumed to be 100% (0.742 mmol, 185 mg).
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Reference:
Patent; GLAXOSMITHKLINE LLC; AMANS, Dominique; BAMBOROUGH, Paul; BIT, Rino, Antonio; BROWN, John, Alexander; CAMPBELL, Matthew; LINDON, Matthew, John; SHIPLEY, Tracy, Jane; THEODOULOU, Natalie, Hope; WELLAWAY, Christopher, Roland; WESTAWAY, Susan, Marie; WO2014/78257; (2014); A1;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem