Abstract
This paper describes a one-pot, concise protocol for highly regioselective ortho-selective mono arylation of 9-(pyridin-2-yl)-9H-carbazoles, 2-phenylpyridines, and 1-phenylpyrazoles employing Pd(II) catalysis, employing diphenyliodonium chloride as aryl source via C-H bond activation. This C–C bond formation methodology is applicable for wide array of heterocyclic scaffolds to deliver desired arylated products in good yields.
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S. P. P and V. J. R gratefully acknowledge to the financial assistance provided by the Council of Scientific and Industrial Research (CSIR), New Delhi, India, for fellowships and financial support.
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Raju, M.V.N., Reddy, G.M., Reddy, B.J. et al. Pd(II) catalyzed regioselective ortho arylation of 2-arylpyridines, 1-phenyl-1H-pyrazoles, and N-pyridinylcarbazoles with diaryliodonium salts. Monatsh Chem 153, 1261–1267 (2022). https://doi.org/10.1007/s00706-022-02990-0
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DOI: https://doi.org/10.1007/s00706-022-02990-0