Heterocyclic compounds can be divided into two categories: alicyclic heterocycles and aromatic heterocycles. Compounds whose heterocycles in the molecular skeleton cannot reflect aromaticity are called alicyclic heterocyclic compounds. Compound: 118994-89-1, is researched, Molecular C6H7NO3, about Copper-catalyzed diarylation of Se with aryl iodides and heterocycles, the main research direction is arylselanyl aryl oxadiazole preparation oxazole regioselective; oxadiazole aryl oxazole iodoarene selenium coupling copper catalyst.Recommanded Product: 118994-89-1.
The regioselective copper-catalyzed three-component coupling reaction of electron-deficient heterocycles, like aryl-oxadiazoles/aryloxazoles/dimethyl-purine-diones, etc. with aryl iodides in presence of Se powder so as to yield corresponding diaryl-selenated heterocycles such as arylselanyl-aryl-oxadiazoles I [R = Ph, 4-MeC6H4, 2-thienyl, etc.; R1 = Ph, 2-naphthyl, 3-thienyl, etc.] and arylselanyl-aryl-oxazoles II [R2 = Ph, 2,4,6-triMeC6H2; R3 = CO2Et, Ph, 4-MeSC6H4, etc.] was disclosed. The established methodol. provided an efficient and practical pathway to access arylselenated heterocycles via copper-catalyzed double C-Se bond formation. This transformation featured the use of elemental Se as the selenating reagent, a cost-effective catalytic system and the late-stage selenation of bioactive compounds
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