Tetrahedron (2021)
Update date:2022-08-04
Topics:
Ding, Zhiqiang
Nie, Nan
Chen, Tian
Meng, Lingxin
Wang, Gongshu
Chen, Zhangpei
Hu, Jianshe
A novel catalytic system based on L-proline N-oxide/CuI was developed and applied to the cross-coupling reactions of various N- and O- nucleophilic reagents with aryl iodides and bromides. This strategy featured in the employment of an-proline derived dihydrazides N-oxide compound as the superior supporting ligand. By using this protocol, a variety of products, including N-arylimidazoles, N-arylpyrazoles, N-arylpyrroles, N-arylamines, and aryl ethers, were synthesized with up to 99% yield.
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