Chemistry is traditionally divided into organic and inorganic chemistry. The former is the study of compounds containing at least one carbon-hydrogen bonds. 405-50-5, Name is 2-(4-Fluorophenyl)acetic acid, molecular formula is C8H7FO2, belongs to benzoxazole compound, is a common compound. In a patnet, author is Gharpure, Santosh J., once mentioned the new application about 405-50-5, Quality Control of 2-(4-Fluorophenyl)acetic acid.
Transition-Metal Acetate-Promoted Intramolecular Nitrene Insertion to Vinylogous Carbonates for Divergent Synthesis of Azirinobenzoxazoles and Benzoxazines
Synthesis and isolation of highly unstable azirinobenzoxazole and benzoxazines in a chemodivergent fashion from aryl azido vinylogous carbonates by simple change in transition metal acetate is described. Thermal or rhodium(II) acetate-mediated decomposition of these azides gave dihydroazirino benzoxazole. Their nickel(II) acetate-promoted reaction gave 4-dihydro-2H-benzoxazines, whereas copper(II) acetate led to the corresponding oxidized imine derivatives. Benzaoxazine derivative could be kinetically resolved using a proline-catalyzed Mannich reaction. The benzoxazines were rapidly elaborated to angularly fused tetracyclic systems and coumarin-fused derivatives in a one pot fashion.
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Reference:
Benzoxazole – Wikipedia,
,Benzoxazole | C7H5NO – PubChem