Catalysts function by providing an alternate reaction mechanism that has a lower activation energy than would be found in the absence of the catalyst. In some cases, the catalyzed mechanism may include additional steps.In a article, 27012-25-5, molcular formula is C11H8BrN, introducing its new discovery. Quality Control of: 5-Bromo-2-phenylpyridine
Bipyridine N,N?-dioxide is a structural fragment found in many bioactive compounds. Furthermore, chiral analogues secured their place as powerful Lewis base catalysts. The scope of the existing methods for the synthesis of atropisomeric bipyridine N,N?-dioxides is limited. Herein, we present a practical, highly chemo- and stereoselective method for oxidative dimerization of chiral pyridine N-oxides using O2 as a terminal oxidant. A series of 13 axially chiral bipyridine N,N?-dioxides were synthesized in up to 75% yield.
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Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI