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Quaternary Centers by Nickel-Catalyzed Cross-Coupling of Tertiary Carboxylic Acids and (Hetero)Aryl Zinc Reagents

Angew. Chem. Int. Ed. 2019, 58 (8), 2454-2458

DOI: 10.1002/anie.201814524

Chen T.; Zhang H.; Mykhailiuk P.; Merchant R.; Smith C.; Qin T.; Baran P.

This work bridges a gap in the cross-coupling of aliphatic redox-active esters with aryl zinc reagents. Previously limited to primary, secondary, and specialized tertiary centers, a new protocol has been devised to enable the coupling of general tertiary systems using nickel catalysis. The scope of this operationally simple method is broad, and it can be used to simplify the synthesis of medicinally relevant motifs bearing quaternary centers.

Quaternary Centers by Nickel-Catalyzed Cross-Coupling of Tertiary Carboxylic Acids

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