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Air-Stable Ni(0) Complex Ni(COD)(DQ), a Useful Precatalyst
No.193(August 2023)
(1,5-Cyclooctadiene)(duroquinone)nickel(0) (Ni(COD)(DQ), 1) was reported to be an air-stable precatalyst for a variety of nickel-catalyzed reactions by Engle et al.1) For example, 1 gave comparable results to the Ni(0) complex bis(1,5-cyclooctadiene)nickel (Ni(COD)2), which is sensitive to air and heat, and other nickel(II) complexes in various reactions, including Suzuki-Miyaura cross-coupling and Buchwald-Hartwig amination. In addition, the synthesis of N,N-diarylsulfonamides through C-N cross-coupling using 1 as a catalyst2) and the deoxygenative alkenylation of carboxylic acids to give all-carbon tetrasubstituted alkenes using 1 and a photoredox catalyst3) have been reported. Therefore, further development and application of reactions using 1 are anticipated in the future.
References
- 1) Ni(COD)(DQ): An Air-Stable 18-Electron Nickel(0)–Olefin Precatalyst
- 2) Ni(cod)(duroquinone)-Catalyzed C–N Cross-Coupling for the Synthesis of N,N-Diarylsulfonamides
- 3) Highly selective synthesis of all-carbon tetrasubstituted alkenes by deoxygenative alkenylation of carboxylic acids
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