Analyzing the synthesis route of 2-Chloro-5-fluoro-4-iodopyridine

The synthetic route of 884494-49-9 has been constantly updated, and we look forward to future research findings.

Adding a certain compound to certain chemical reactions, such as: 884494-49-9, 2-Chloro-5-fluoro-4-iodopyridine, 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, SDS of cas: 884494-49-9, blongs to pyridine-derivatives compound. SDS of cas: 884494-49-9

A mixture of 6-azaspiro[2.5]octane hydrochloride (1.00 g, 6.77 mmol, 1.00 equiv), 2-chloro- 5-fluoro-4-iodopyridine (1.74 g, 6.76 mmol, 1.00 equiv), Pd2(dba)3.CHC13 (350 mg, 0.34 mmol, 0.05 equiv), BINAP (420 mg, 0.67 mmol, 0.10 equiv), and t-BuONa (1.95 g, 20.29 mmol, 3.00 equiv) in toluene (20 mL) was stirred for overnight at 100C under nitrogen. The reaction mixture was diluted with water, extracted with ethyl acetate, washed with brine, dried over anhydrous sodium sulfate, and concentrated under vacuum. The residue was purified by a silica gel column eluting with ethyl acetate/petroleum ether (1/10) to afford the title compound (480 mg, 29%) as a light yellow solid.

The synthetic route of 884494-49-9 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; F. HOFFMANN-LA ROCHE AG; GENENTECH, INC.; CHEN, Huifen; CHU, Yanyan; DO, Steven; ESTRADA, Anthony; HU, Baihua; KOLESNIKOV, Aleksandr; LIN, Xingyu; LYSSIKATOS, Joseph P.; SHORE, Daniel; VERMA, Vishal; WANG, Lan; WU, Guosheng; YUEN, Po-wai; WO2015/52264; (2015); A1;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem