33282-15-4, Name is 5-(4-Hydroxyphenyl)isoxazole-3-carboxylic acid, belongs to Isoxazoles compound, is a common compound. HPLC of Formula: C10H7NO4In an article, once mentioned the new application about 33282-15-4.
Copper/Nafion-Catalyzed Hydroarylation Process Involving Ketenimine Intermediates: A Novel and Synthetic Approach to 4-Sulfonamidoquinoline-2-ones and Derivatives Thereof
A copper(II)/NafionNR50-catalyzed cascade is demonstrated, wherein in situ keteneimine formation and hydroarylation processes are involved. Various substituted 4-sulfonamidoquinolin-2-ones and various derivatives thereof were obtained. The robust toluenesulfonamide protecting group can be removed on demand in a mild light-promoted process to provide access to otherwise difficult to obtain 4-aminoquinolin-2-ones.
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Reference£º
Isoxazole – Wikipedia,
Isoxazole | C3H3NO – PubChem