Palladium-catalyzed site-selective arylation of symmetric dichlorobenzaldehyde to non-symmetric diaryl benzaldehyde via Suzuki coupling |
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| Authors: | Raju Dey Brindaban C. Ranu |
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| Affiliation: | Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700 032, India |
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| Abstract: | Arylation of 2,6-dichlorobenzaldehyde by aryl boronic acids via site-selective Suzuki coupling catalyzed by PdCl2 supported on 4 Å molecular sieves produces 2-aryl-6-chlorobenzaldehyde which on subsequent coupling with a different aryl boronic acid in the presence of Pd(OAc)2–NHC ligand leads to non-symmetric diaryl benzaldehyde in good overall yield. |
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