With the rapid development and complex challenges of chemical substances, the synthesis of new drugs is usually one of the most effective ways to increase yield.847375-33-1, name is Ethyl 2-(5-bromopyridin-3-yl)acetate, molecular formula is C9H10BrNO2, molecular weight is 244.0852, as common compound, the synthetic route is as follows.Recommanded Product: 847375-33-1
Step 9: 3-[(N-Benzyloxycarbonyl-N-ethyl-amino)-methyl]-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-benzoic acid benzyl ester (1.96 g, 3.7 mmol), (5-bromo-pyridin-3-yl)-acetic acid ethyl ester (0.99 g, 4.1 mmol), and potassium carbonate (1.79 g, 13.0 mmol) were combined in DME (40 mL) and H2O (30 mL), and the solution was purged with N2 for 10 minutes. Tetrakis(triphenylphosphine)palladium(0) (0.427 g, 0.37 mmol) was added, and the reaction was stirred at 70 C. overnight. The mixture was quenched with 1N aqueous HCl(13 mL) and extracted with EtOAc. The combined organic layers were washed with H2O, and then dried and concentrated to give 3-[(N-benzyloxycarbonyl-N-ethyl-amino)-methyl]-4-(5-carboxymethyl-pyridin-3-yl)-benzoic acid benzyl ester.
At the same time, in my other blogs, there are other synthetic methods of this type of compound,847375-33-1, Ethyl 2-(5-bromopyridin-3-yl)acetate, and friends who are interested can also refer to it.
Reference:
Patent; AMIRA PHARMACEUTICALS, INC.; US2010/81673; (2010); A1;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem