Chemistry is traditionally divided into organic and inorganic chemistry. Formula: C4H6N2O, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent，Which mentioned a new discovery about 1072-67-9
The reaction of a 2-pyridinone-based acid fluoride with the N-TMS derivatives of different weakly nucleophilic heteroaryl/arylamines in acetonitrile containing catalytic fluoride ion provides a clean, efficient and simple means to access a diverse range of polar di(hetero)arylamide structures. This amide bond forming protocol is readily amenable to the parallel synthesis of compound libraries.
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Reference：
Isoxazole – Wikipedia,
Isoxazole | C3H3NO – PubChem