Halo-Bridged Abnormal NHC Palladium(II) Dimer for Catalytic Dehydrogenative Cross-Coupling Reactions of Heteroarenes

P, Sreejyothi ; Sau, Samaresh Chandra ; Vardhanapu, Pavan K. ; Mandal, Swadhin K. (2018) Halo-Bridged Abnormal NHC Palladium(II) Dimer for Catalytic Dehydrogenative Cross-Coupling Reactions of Heteroarenes Journal of Organic Chemistry, 83 (16). pp. 9403-9411. ISSN 0022-3263

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Official URL: http://doi.org/10.1021/acs.joc.8b01053

Related URL: http://dx.doi.org/10.1021/acs.joc.8b01053

Abstract

This work describes the dehydrogenative coupling of heteroarenes using a dimeric halo-bridged palladium(II) catalyst bearing an abnormal NHC (aNHC) backbone. The catalyst can successfully activate the C–H bond of a wide range of heteroarenes, which include benzothiazole, benzoxazole, thiophene, furan, and N-methylbenzimidazole. Further, it exhibited good activity for heteroarenes bearing various functional groups such as CN, CHO, Me, OMe, OAc, and Cl. Additionally, we isolated the active catalyst by performing stoichiometric reaction and characterized it as the acetato-bridged dimer of (aNHC)PdOAc by single-crystal X-ray study.

Item Type:Article
Source:Copyright of this article belongs to American Chemical Society.
ID Code:118277
Deposited On:19 May 2021 16:28
Last Modified:19 May 2021 16:28

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