New Advances in Chemical Research, May 2021. In heterogeneous catalysis, the catalyst is in a different phase from the reactants. name: 5-Nitroquinoxaline, We’ll be discussing some of the latest developments in chemical about CAS: 18514-76-6, name is 5-Nitroquinoxaline. In an article，Which mentioned a new discovery about 18514-76-6
Described is an efficient oxidative dearomatization of indoles with TEMPO oxoammonium salt and a broad range of nucleophiles. Under very mild conditions, dearomative oxyalkynylation and oxyalkenylation of indoles to structurally diverse 2,2-disubstituted indolin-3-ones were developed for the first time with high atom-economy. In addition, dearomative oxyarylation, oxyallylation, and oxycyanation of indoles were also demonstrated. Mechanism studies indicated that TEMPO oxoammonium salt served as the sole oxidant source through an electron donor-acceptor (EDA) intermediate.
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Reference：
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N879 | ChemSpider