Chemistry is traditionally divided into organic and inorganic chemistry. The former is the study of compounds containing at least one carbon-hydrogen bonds. 3144-16-9, Name is ((1S,4R)-7,7-Dimethyl-2-oxobicyclo[2.2.1]heptan-1-yl)methanesulfonic acid, molecular formula is C10H16O4S, belongs to catalyst-ligand compound, is a common compound. In a patnet, author is Lu, Ju-You, once mentioned the new application about 3144-16-9, Application In Synthesis of ((1S,4R)-7,7-Dimethyl-2-oxobicyclo[2.2.1]heptan-1-yl)methanesulfonic acid.
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:
Metal catalyst and ligand design,
,Ligand Template Strategies for Catalyst Encapsulation – NCBI