504-02-9, Name is Cyclohexane-1,3-dione, molecular formula is C6H8O2, belongs to benzoxazole compound, is a common compound. In a patnet, author is Sahoo, Kanchanbala, once mentioned the new application about 504-02-9, Product Details of 504-02-9.
Access to C4-arylated benzoxazoles from 2-amidophenol through C-H activation
A Pd-catalyzed aerobic approach to access C4-aryl benzoxazoles by tandem C-H ortho-arylation and acid-mediated annulation of 2-amidophenol has been presented. The directing potential of the -NHCOR group over the -OH group was exploited for selective arylation adjacent to the amide group. Deuterium labeling experiments suggest that palladation predominantly occurs adjacent to the -NHCOR group and is the key step during benzoxazole formation. One-pot hydrolysis of the resulting C4-arylated benzoxazole was also accomplished to access structurally challenging 3-aryl aminophenols for further applications.
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Reference:
Benzoxazole – Wikipedia,
,Benzoxazole | C7H5NO – PubChem