HPLC of Formula: 503538-69-0. 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: (R)-5,5′-Bis(diphenylphosphino)-2,2,2′,2′-tetrafluoro-4,4′-bi-1,3-benzodioxole, is researched, Molecular C38H24F4O4P2, CAS is 503538-69-0, about (R)-3,5-diCF3-SYNPHOS and (R)-p-CF3-SYNPHOS, Electron-Poor Diphosphines for Efficient Room Temperature Rh-Catalyzed Asymmetric Conjugate Addition of Arylboronic Acids. Author is Berhal, Farouk; Esseiva, Olivier; Martin, Charles-Henri; Tone, Hitoshi; Genet, Jean-Pierre; Ayad, Tahar; Ratovelomanana-Vidal, Virginie.
Two new atropisomeric electron-poor chiral diphosphine ligand analogs of SYNPHOS were prepared, and their electronic properties described. These two ligands afforded high performance for the Rh-catalyzed asym. 1,4-addition of arylboronic acids to α,β-unsaturated carbonyl compounds at room temperature
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Reference:
Benzoxazole – Wikipedia,
Benzoxazole | C7H5NO – PubChem