16606-55-6, Name is (R)-4-Methyl-1,3-dioxolan-2-one, molecular formula is C4H6O3, belongs to copper-catalyst compound, is a common compound. In a patnet, author is Lu, Ju-You, once mentioned the new application about 16606-55-6, Name: (R)-4-Methyl-1,3-dioxolan-2-one.
Ligand-free synthesis of 2-aminoarylbenzoxazoles via copper-catalyzed C-N/C-O coupling
A copper-catalyzed C-N/C-O coupling has been developed for synthesis of 2-aminoarylbenzoxazole derivatives. The protocol uses readily available 2-halo-N-(2-halophenyl)benzamides and amines as the starting materials, and the corresponding 2-aminoarylbenzoxazoles were obtained in good to excellent yields. Both aromatic and aliphatic amines were tolerated, and no ligand was used in this reaction. Gram-scale synthesis was also carried out successfully. These results showed the potential synthetic value of this new reaction in organic synthesis. (C) 2020 Elsevier Ltd. All rights reserved.
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Reference:
Copper catalysis in organic synthesis – NCBI,
,Special Issue “Fundamentals and Applications of Copper-Based Catalysts”