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1. Ni-Electrocatalytic Enantioselective Doubly Decarboxylative C(sp ³ )–C(sp ³ ) Cross Coupling

   https://doi.org/10.1021/jacs.3c03337  

   Gao, Yang; Zhang, Benxiang; He, Jiayan; Baran, Phil S. (May 2023, Journal of the American Chemical Society)
2. Photo-Uncaging by C(sp ³ )–C(sp ³ ) Bond Cleavage Restores β-Lapachone Activity

   https://doi.org/10.1021/jacs.3c00398  

   Kaye, Esther G; Mirabi, Bijan; Lopez-Miranda, Ivonne R; Dissanayake, Komadhie C; Banerjee, Upasana; Austin, Madelyn; Lautens, Mark; Winter, Arthur H; Beharry, Andrew A (June 2023, Journal of the American Chemical Society)
3. Nickel(IV) Intermediates in Aminoquinoline-Directed C(sp ² )–C(sp ³ ) Coupling

   https://doi.org/10.1021/jacs.2c10778  

   Milbauer, Michael W.; Kampf, Jeff W.; Sanford, Melanie S. (November 2022, Journal of the American Chemical Society)
4. Iron-catalyzed C(sp ² )–C(sp ³ ) cross-coupling at low catalyst loading

   https://doi.org/10.1039/C8CY02374C  

   Bisz, Elwira; Kardela, Marlena; Piontek, Aleksandra; Szostak, Michal (March 2019, Catalysis Science & Technology)

   The iron-catalyzed C(sp 2 )–C(sp 3 ) cross-coupling provides a highly economical route to exceedingly valuable alkylated arenes that are widespread in medicinal chemistry and materials science. Herein, we report an operationally-simple protocol for the selective C(sp 2 )–C(sp 3 ) iron-catalyzed cross-coupling of aryl chlorides with Grignard reagents at low catalyst loading. A broad range of electronically-varied aryl and heteroaryl chlorides underwent the cross-coupling using challenging alkyl organometallics possessing β-hydrogens with high efficiency up to 2000 TON. A notable feature of the protocol is the use of environmentally-friendly cyclic urea ligands. A series of guidelines to predict cross-coupling reactivity of aryl electrophiles is provided. 

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5. Forging C(sp ³ )–C(sp ³ ) Bonds with Carbon-Centered Radicals in the Synthesis of Complex Molecules

   https://doi.org/10.1021/jacs.8b11790  

   Pitre, Spencer P.; Weires, Nicholas A.; Overman, Larry E. (February 2019, Journal of the American Chemical Society)