In heterogeneous catalysis, the catalyst is in a different phase from the reactants. Safety of 2,3-Dichloro-6,7-dimethylquinoxaline, At least one of the reactants interacts with the solid surface in a physical process called adsorption in such a way. 63810-80-0, name is 2,3-Dichloro-6,7-dimethylquinoxaline. In an article£¬Which mentioned a new discovery about 63810-80-0
A One-pot Facile Synthesis of 2,3-Dihydroxyquinoxaline and 2,3-Dichloroquinoxaline Derivatives Using Silica Gel as an Efficient Catalyst
An efficient one-pot reaction has been developed for the synthesis of 2,3-dichloroquinoxaline derivatives 3a?n. The reaction was performed in two steps via a silica gel catalyzed tandem process from o-phenylenediamine and oxalic acid, followed by addition of phosphorus oxychloride (POCl3). A variety of 2,3-dichloroquinoxalines have been obtained in good to excellent overall yields. Eight known compounds 3a?3h were characterized by IR, 1H-NMR, and mass spectroscopies. Compounds 3i?3n without spectroscopic data were characterized by IR, 1H-NMR, 13C-NMR, and mass spectroscopies.
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Reference£º
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N1837 | ChemSpider