In heterogeneous catalysis, the catalyst is in a different phase from the reactants. SDS of cas: 2213-63-0, At least one of the reactants interacts with the solid surface in a physical process called adsorption in such a way. 2213-63-0, name is 2,3-Dichloroquinoxaline. In an article£¬Which mentioned a new discovery about 2213-63-0
Synthesis of heterocyclic compounds via nucleophilic aroylation catalyzed by imidazolidenyl carbene
Xanthones and acridones were synthesized from 3,4-difluoronitrobenzene and 2-fluorobenzaldehydes in two or three steps. The key step was nucleophilic aroylation catalyzed by imidazolidenyl carbene. The nucleophilic aroylation of 3,4-difluoronitrobenzene afforded 2,2-difluoro-4-nitrobenzophenones. The cyclization of the difluorobenzophenones with O-nucleophile and N-nucleophile yielded 3-nitroxanthones and 3-nitroacridones, respectively. Indazole, quinolino[2,3-b]quinoxaline, and thianaphtho[2,3-b]quinoxaline derivatives were also synthesized via nucleophilic aroylation of 2,3-dichloroquinoxaline followed by cyclization with nucleophiles.
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Quinoxaline – Wikipedia,
Quinoxaline | C8H6N1569 | ChemSpider