In heterogeneous catalysis, the catalyst is in a different phase from the reactants. Computed Properties of C8H4Cl2N2, 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
Condensed bridgehead nitrogen heterocyclic system: Microwave assisted synthesis and bioactivity of s-triazolo[3,4-b][1,3,4]thiadiazoles, s-triazolo[3,4-b][1,3,4]thiadiazines and s-triazolo [3′,4′:2,3]thiadiazino[5,6- b]quinoxaline
N-[3-(4-Amino-5-mercapto-4H-[1,2,3]triazol-3-yl)-4,5,6,7-tetrahydro- benzo[b] thiophen-2-yl]benzamide (1) on condensation with chloroacetic acid, alpha-haloketone and benzoin furnishes [1,2,4]triazolo[3,4-b][1,3,4] thiadiazine derivatives (2), (3) and (4) respectively, while condensation with 2,3-dichloroquinoxaline, carbon disulphide, aromatic carboxylic acid and aromatic carboxaldehydes yield the cyclic products, [1,2,4] triazolo[3,4-b][1,3, 4]thiadiazole derivatives (5), (6), (7), (8) respectively. The compounds have been characterized on the basis of elemental analysis and spectral data. The antibacterial, antifungal and antitubercular activities of the compounds have also been evaluated.
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Reference：
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N1513 | ChemSpider