Chemistry is traditionally divided into organic and inorganic chemistry. Safety of 3,5-Dimethylisoxazole, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent，Which mentioned a new discovery about 300-87-8
The attempted photochemical electrocylic ring closure of 4-benzalamino-3-methyl-5-styrylisoxazole (2) leads to the imidazole (3) on account of isoxazole ring cleavage.The structure of 3 is supported by IR, 1H NMR, 13C NMR and mass spectral data.
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Reference：
Isoxazole – Wikipedia,
Isoxazole | C3H3NO – PubChem