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N-Pyridinyl Sulfilimines as a Source for α-Imino Gold Carbenes: Access to 2-Amino-Substituted N-Fused Imidazoles

Xianhai Tian, Lina Song, Matthias Rudolph, Qian Wang, Xinlong Song, Frank Rominger, A. Stephen K. Hashmi*

*Institut für Organische Chemie, Universität Heidelberg, Im Neuenheimer Feld 270, Heidelberg 69120, Germany, Email: hashmihashmi.de

X. Tian, L. Song, M. Rudolph, Q. Wang, X. Song, F. Rominger, A. S. K. Hashmi, Org. Lett., 2019, 21, 1558-1601.

DOI: 10.1021/acs.orglett.9b00140



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Abstract

Gold-catalyzed formal 1,3-dipolar annulation between readily accessible N-pyridinylsulfilimines and ynamides provides a diverse set of imidazole derivatives. These functionalized cyclic products can undergo further transformations to afford diverse imidazole frameworks.


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Key Words

imidazo[1,2-a]pyridines


ID: J54-Y2019