Chemistry is traditionally divided into organic and inorganic chemistry. Application In Synthesis of 5-(4-Hydroxyphenyl)isoxazole-3-carboxylic acid, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent£¬Which mentioned a new discovery about 33282-15-4
Mn(III)-based oxidative cyclization of N-aryl-3-oxobutanamides. facile synthesis and transformation of substituted oxindoles
The oxidation of 3-oxo-N-phenylbutanamides 1 with manganese(III) acetate in ethanol afforded dimeric 3,3′-biindoline-2,2′-dione derivatives 3-5. A similar reaction of N,2-disubstituted N-aryl-3-oxobutanamides 6 in acetic acid produced 3-acetylindolin-2-ones 7 bearing various substituents in good to excellent yields. The acetylindolinones 7 were easily deacetylated by treatment using neutral alumina in diethyl ether. Both the acetylindolinones 7 and deacetylated indolinones 8 were transformed by reduction into the substituted 1H-indoles.
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Reference£º
Isoxazole – Wikipedia,
Isoxazole | C3H3NO – PubChem