In the chemical reaction process, reaction time, type of solvent, can easily affect the result of the reaction, thereby determining the yield and properties of the reaction product. An updated downstream synthesis route of 622392-04-5 as follows. name: 2-Bromo-5-iodopyrazine
EXAMPLE 41C (endo)-3-(5-Iodo-pyrazin-2-yloxy)-8-methyl-8-aza-bicyclo[3.2.1]octane Under N2, the mixture of (endo)-tropine (Aldrich, 1.54 g, 11 mmol) was treated with potassium t-butoxide (Aldrich, 0.96 g, 10 mmol) in THF (anhydrous, Aldrich, 50 mL) at ambient temperature for 1 h. The product of Example 41B (2.85 g, 10.0 mmol) and was added. The brown mixture was stirred at ambient temperature for 4 hours and quenched with water (5 mL). The mixture was concentrated and the residue was purified by chromatography (150 g SiO2, EtOAc:MeOH:NH3.H2O, 90:10:1, Rf. 0.20) to give the title compound. 1H NMR (300 MHz, CD3OD) delta 2.16-2.60 (m, 8H), 2.84 (s, 3H), 3.78-4.05 (m, 2H), 5.17-5.40 (m, 1H), 8.14 (d, J=1.36 Hz, 1H), 8.42 (d, J=1.36 Hz, 1H) ppm; MS (DCI/NH3) m/z 346 (M+H)+.
According to the analysis of related databases, 622392-04-5, the application of this compound in the production field has become more and more popular.
Reference:
Patent; Ji, Jianguo; Li, Tao; Lynch, Christopher L.; Gopalakrishnan, Murali; US2008/45539; (2008); A1;,
Pyrazine – Wikipedia,
Pyrazine | C4H4N2 – PubChem