《Enantioselective remote C-H activation directed by a chiral cation》 was published in Science (Washington, DC, United States) in 2020. These research results belong to Genov, Georgi R.; Douthwaite, James L.; Lahdenpera, Antti S. K.; Gibson, David C.; Phipps, Robert J.. HPLC of Formula: 4248-19-5 The article mentions the following:
Chiral cations have been used extensively as organocatalysts, but their application to rendering transition metal-catalyzed processes enantioselective remains rare. This is despite the success of the analogous charge-inverted strategy in which cationic metal complexes are paired with chiral anions. We report here a strategy to render a common bipyridine ligand anionic and pair its iridium complexes with a chiral cation derived from quinine. We have applied these ion-paired complexes to long-range asym. induction in the desymmetrization of the geminal diaryl motif, located on a carbon or phosphorus center, by enantioselective C-H borylation. In principle, numerous common classes of ligand could likewise be amenable to this approach. In the experiment, the researchers used many compounds, for example, tert-Butyl carbamate(cas: 4248-19-5HPLC of Formula: 4248-19-5)
tert-Butyl carbamate(cas: 4248-19-5) belongs to anime. Large quantities of aliphatic amines are made synthetically. The most widely used industrial method is the reaction of alcohols with ammonia at a high temperature, catalyzed by metals or metal oxide catalysts (e.g., nickel or copper). Mixtures of primary, secondary, and tertiary amines are thereby produced.HPLC of Formula: 4248-19-5
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