New Advances in Chemical Research, May 2021. In heterogeneous catalysis, catalysts provide a surface to which reactants bind in a process of adsorption. Recommanded Product: 18514-76-6, In a article, mentioned the application of 18514-76-6, Name is 5-Nitroquinoxaline, molecular formula is C8H5N3O2
The solid-state reaction between anilines and phenacyl bromides in the presence of an equimolecular amount of sodium bicarbonate gives N-phenacylanilines. Microwave irradiation of mixtures of these compounds with anilinium bromides at 540 W for 45-60 s provides a mild, general, and environmentally friendly method for the synthesis of 2-arylindoles in 50-56% overall yields. A one-pot variation of the method, involving irradiation of 2:1 mixtures of anilines and phenacyl bromides, was also developed, allowing a simplified experimental procedure and leading to improved yields (52-75%). Georg Thieme Verlag Stuttgart.
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Reference：
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N913 | ChemSpider