Rhodium-Catalyzed Denitrogenative [2,3] Sigmatropic Rearrangement: An Efficient Entry to Sulfur-Containing Quaternary Centers

Yadagiri, Dongari ; Anbarasan, Pazhamalai (2013) Rhodium-Catalyzed Denitrogenative [2,3] Sigmatropic Rearrangement: An Efficient Entry to Sulfur-Containing Quaternary Centers Chemistry - A European Journal, 19 (45). pp. 15115-15119. ISSN 0947-6539

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Official URL: http://doi.org/10.1002/chem.201302653

Related URL: http://dx.doi.org/10.1002/chem.201302653

Abstract

Chemical building blocks: α-Sulfenylated imines containing a quaternary center, an ubiquitous subunit and excellent building block, were achieved by rhodium-catalyzed denitrogenative [2,3] sigmatropic rearrangements of N-sulfonyl-1,2,3-triazoles with allylaryl(alkyl) sulfides. Coupling of this methodology with a copper-catalyzed cycloaddition reaction provides a platform for the direct regioselective functionalization of alkynes (see scheme; TC=thiophenecarboxylate; Ts=p-toluenesulfonyl).

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Deposited On:05 Dec 2022 06:10
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