288-14-2, Name is Isoxazole, belongs to isoxazole compound, is a common compound. name: IsoxazoleIn an article, once mentioned the new application about 288-14-2.
The reactions of several five-membered oxygen and nitrogen heterocycles with OH* and SO4*- radicals have been investigated in aqueous solution using in-situ radiolysis and photolysis ESR, and optical and conductometric pulse radiolysis techniques for detection.OH* reacts with (the saturated) oxazolidone, imidazolidinone, hydantoin, and oxazoline derivatives by hydrogen abstraction, preferentially from the crbon adjacent to the nitrogen atom.With (the unsaturated) oxazoles and isoxazoles, OH* reacts by addition to the carbon at the 5-position of the ring to produce allylic radicals.In basic and acidic solutions of oxazole a ring opening process follows the OH* addition.SO4*- reacts with oxazoles and isoxazoles by addition to C5 yielding SO4- adducts, whereas with imidazole, pyrazole, and pyrrole derivatives, SO4*- gives rise to neutral, conjugated radicals with the unpaired electron delocalized over the entire ring, which are derived from the parent compounds by one -electron oxidation followed by deprotonation.In the case of N-methylimidazole, the radical cation is obtained.The absolute rate constants determined for the reaction of SO4*- with the five-membered heteroaromatics (k = 3 x 108 to 8 x 109 M-1 s-1) reflect the electrophilicity of the SO4*- radical.
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Reference：
Isoxazole – Wikipedia,
Isoxazole | C3H3NO – PubChem