Related Products of 20737-42-2, 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 20737-42-2 as follows.
STEP 2. 3-CHLORO-PYRAZTNE-2-CARBONYL CHLORIDE; [00202 ] 3 -Hydroxy -pyrazine-2-carboxylic acid (154 mg, 1.1 mmol) was dissolved in phosphorus oxy chloride (2 ml) followed by adding one drop of pyridine. The mixture was heated to reflux for 2h. After that, the reaction solution was concentrated under reduced pressure to give 3-chloropyrazine-2-carboxylic acid chlori
According to the analysis of related databases, 20737-42-2, the application of this compound in the production field has become more and more popular.
Reference:
Patent; AMGEN INC.; ALLEN, Jennifer R.; ANDREWS, Kristin L.; FROHN, Michael J.; HARRINGTON, Paul E.; PICKRELL, Alexander J.; RZASA, Robert M.; WO2011/143129; (2011); A1;,
Pyrazine – Wikipedia,
Pyrazine | C4H4N2 – PubChem