33282-15-4, Name is 5-(4-Hydroxyphenyl)isoxazole-3-carboxylic acid, belongs to isoxazole compound, is a common compound. Formula: C10H7NO4In an article, once mentioned the new application about 33282-15-4.
Secondary arylamines and related compounds can readily be converted into the corresponding N-nitroamines by treatment of their organomagnesium derivatives with butyl nitrate. The yield of the products ranges from 45 to 77%. Secondary aromatic N-nitroamines are characterized by IR absorption bands in the regions 1517-1536, 1285-1299, and 755-759 cm-1, regardless of the substituent in the aromatic ring. According to the 1H and 13C NMR data for substituted N-methyl-N-phenylnitroamines, the interaction between the substituents through the aromatic ring is weak. alpha-Splitting of N-methyl-N-phenylnitroamines under electron impact suggests that the Ar-N bond is anomalously weak. The dipole moments of N-methyl-N-phenylnitroamines can be interpreted in terms of stronger conjugation of n-electrons of the imide nitrogen atom with pi-electrons of the nitro group rather than with the aromatic pi-system.
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Reference：
Isoxazole – Wikipedia,
Isoxazole | C3H3NO – PubChem