Chemistry is the experimental and theoretical study of materials on their properties at both the macroscopic and microscopic levels. 3144-16-9, Name is ((1S,4R)-7,7-Dimethyl-2-oxobicyclo[2.2.1]heptan-1-yl)methanesulfonic acid, molecular formula is C10H16O4S. In an article, author is Tereniak, Stephen J.,once mentioned of 3144-16-9, HPLC of Formula: C10H16O4S.
Pd-Catalyzed Aerobic Oxidative Coupling of Thiophenes: Synergistic Benefits of Phenanthroline Dione and a Cu Cocatalyst
Substituted bithiophenes are prominent fragments in functional organic materials, and they are ideally prepared via direct oxidative C-H/C-H coupling. Here, we report a novel Pd-II catalyst system, employing 1,10-phenanthroline-5,6-dione (phd) as the ancillary ligand, that enables aerobic oxidative homocoupling of 2-bromothiophenes and other related heterocycles. These observations represent the first use of phd to support Pd-catalyzed aerobic oxidation. The reaction also benefits from a Cu(OAc)(2) cocatalyst, and mechanistic studies show that Cu promotes C-C coupling, implicating a role for Cu-II different from its conventional contribution to reoxidation of the Pd catalyst.
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Reference:
Metal catalyst and ligand design,
,Ligand Template Strategies for Catalyst Encapsulation – NCBI