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Cobalt-catalyzed intermolecular hydroacylation of olefins through chelation-assisted imidoyl C-H activation
A low-valent cobalt catalyst generated from cobalt(II) bromide, a diphosphine ligand, and zinc powder promotes intermolecular hydroacylation of olefins using N-3-picolin-2-yl aldimines as aldehyde equivalents, which affords, ...
Cobalt-catalyzed directed alkylation of olefinic C-H bond with primary and secondary alkyl chlorides
A cobalt–N-heterocyclic carbene catalytic system promotes pyridine-directed olefinic C–H alkylation reactions using a variety of primary and secondary alkyl chlorides under mild conditions. Radical clock experiments suggest ...