Product Details of 652148-90-8. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: 6-Chloropyridine-2-boronic Acid, is researched, Molecular C5H5BClNO2, CAS is 652148-90-8, about Synthesis of novel halopyridinylboronic acids and esters. Part 4: Halopyridin-2-yl-boronic acids and esters are stable, crystalline partners for classical Suzuki cross-coupling. Author is Bouillon, Alexandre; Lancelot, Jean-Charles; Sopkova-de Oliveira Santos, Jana; Collot, Valerie; Bovy, Philipppe R.; Rault, Sylvain.
Methods for the synthesis and the isolation of novel 5 or 6-halopyridin-2-yl-boronic acids and esters I and II (R = 5-Cl, 5-Br, 6-Cl, 6-Br). These compounds were prepared via a regioselective halogen-metal exchange using BuLi and subsequent quenching with triisopropylborate starting from appropriate dihalopyridines. All substrates studied to date provided a single regioisomeric boronic acid or ester product. Addnl., these compounds undergo Pd-catalyzed coupling with arylhalides and authorize a strategy to produce new pyridine libraries.
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Reference:
Isoxazole – Wikipedia,
Isoxazole | C3H3NO – PubChem