Solvent-Free N-Alkylation and Dehydrogenative Coupling Catalyzed by a Highly Active Pincer-Nickel Complex
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DOI: 10.1021/acs.organomet.0c00233
Abstract: The synthesis and characterization of a pincer-nickel complex of the type (iPr2NNN)NiCl2(CH3CN) is reported here. We have demonstrated the utility of this pincer-nickel complex (0.02 and 0.002 mol ... read more here.
Keywords: free alkylation; nickel complex; solvent free; pincer nickel ... See more keywords
Mechanistic Aspects of Pincer Nickel(II)-Catalyzed C–H Bond Alkylation of Azoles with Alkyl Halides
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DOI: 10.1021/acs.organomet.8b00025
Abstract: The quinolinyl-based pincer nickel complex, κN,κN,κN-{C9H6N-(μ-N)-C6H4–NMe2}NiCl [(QNNNMe2)NiCl; (1)] has recently been demonstrated to be an efficient and robust catalyst for the alkylation of azoles with alkyl halides under copper-free conditions. Herein, we report the detailed… read more here.
Keywords: alkyl halides; bond; pincer nickel; alkylation azoles ... See more keywords
Sonogashira reactions of alkyl halides catalyzed by NHC [CNN] pincer nickel(II) complexes
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DOI: 10.1039/c8nj02138d
Abstract: C(carbene)N(amido)N(amine)-pincer nickel(II) complexes [iPrCNN-Ni-Br] (6), [nBuCNN-Ni-Br] (7) and [BnCNN-Ni-Cl] (8) were synthesized. The catalytic performance of complexes 6–8 for Sonogashira cross-coupling reactions was explored. In a combination of 5 mol% catalyst loading of 6 and… read more here.
Keywords: pincer; reactions alkyl; pincer nickel; cnn pincer ... See more keywords