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Rh(II)-Catalyzed Transannulation of 1,2,4-Oxadiazole Derivatives with 1-Sulfonyl-1,2,3-triazoles: Regioselective Synthesis of 5-Sulfonamidoimidazoles

Julia O. Strelnikova, Nikolai V. Rostovskii, Galina L. Starova, Alexander F. Khlebnikov, Mikhail S. Novikov*

*St. Petersburg State University, Institute of Chemistry, 7/9 Universitetskaya nab., St. Petersburg 199034, Russia, Email: m.novikovspbu.ru

J. O. Strelnikova, N. V. Rostovskii, G. L. Starova, A. F. Khlebnikov, M. S. Novikov, J. Org. Chem., 2018, 83, 11232-11244.

DOI: 10.1021/acs.joc.8b01809 (free Supporting Information)


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Abstract

A Rh(II)-catalyzed transannulation of 1,2,4-oxadiazoles and 1,2,4-oxadiazol-5-ones with N-sulfonyl-1,2,3-triazoles provides fully substituted 5-sulfonamidoimidazoles. Both reactions are completely regioselective.


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Key Words

imidazoles


ID: J42-Y2018