In heterogeneous catalysis, the catalyst is in a different phase from the reactants. Quality Control of 2-Chloroquinoxaline, At least one of the reactants interacts with the solid surface in a physical process called adsorption in such a way. 1448-87-9, name is 2-Chloroquinoxaline. In an article，Which mentioned a new discovery about 1448-87-9
A facile and efficient protocol for palladium-catalyzed Miyaura borylation reaction of chloropyrazines with B2pin2has been developed. A certain range of difficult-to-access pyrazine boronic esters can be easily prepared from the corresponding chloropyrazines in moderate to good yields.
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Reference：
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N616 | ChemSpider