Electrocatalytic access to azetidines via intramolecular allylic hydroamination: scrutinizing key oxidation steps through electrochemical kinetic analysis

SH Park, G Bae, A Choi, S Shin, K Shin… - Journal of the …, 2023 - ACS Publications
Azetidines are prominent structural scaffolds in bioactive molecules, medicinal chemistry,
and ligand design for transition metals. However, state-of-the-art methods cannot be applied …

Mechanism of alkene hydrofunctionalization by oxidative cobalt (salen) catalyzed hydrogen atom transfer

CV Wilson, PL Holland - Journal of the American Chemical …, 2024 - ACS Publications
Oxidative MHAT hydrofunctionalization of alkenes provides a mild cobalt-catalyzed route to
forming C–N and C–O bonds. Here, we characterize relevant salen-supported cobalt …

Cobalt‐Catalyzed Enantioselective Hydroamination of Arylalkenes with Secondary Amines

H Miao, M Guan, T Xiong, G Zhang… - Angewandte Chemie …, 2023 - Wiley Online Library
Catalytic asymmetric hydroamination of alkenes with Lewis basic amines is of great interest
but remains a challenge in synthetic chemistry. Here, we developed a Co‐catalyzed …

Cobalt-catalyzed HAT reaction for asymmetric hydrofunctionalization of alkenes and nucleophiles

G Zhang, Q Zhang - Chem Catalysis, 2023 - cell.com
The first-row transition-metal-catalyzed hydrogen atom transfer reaction has emerged as a
practical synthetic platform for alkene hydrofunctionalization with high chemo-and …

Constructing four-membered heterocycles by cycloisomerization

A Osato, T Fujihara, H Shigehisa - ACS Catalysis, 2023 - ACS Publications
Four-membered heterocycles are highly sought after in modern drug discovery as they
provide beneficial properties to the target molecules. Despite tremendous efforts by the …

Cobalt-Catalyzed Carbon–Heteroatom Transfer Enables Regioselective Tricomponent 1, 4-Carboamination

K Zhuang, GC Haug, Y Wang, S Yin… - Journal of the …, 2024 - ACS Publications
Tricomponent cobalt (salen)-catalyzed carbofunctionalization of unsaturated substrates by
radical–polar crossover has the potential to streamline access to broad classes of …

Remote Hydroamination of Disubstituted Alkenes by a Combination of Isomerization and Regioselective N–H Addition

S Ma, H Fan, CS Day, Y Xi… - Journal of the American …, 2023 - ACS Publications
Remote hydrofunctionalizations of alkenes incorporate functional groups distal to existing
carbon–carbon double bonds. While remote carbonylations are well-known, remote …

Cobalt‐Catalyzed Intramolecular Markovnikov Hydrocarbonylation of Unactivated Alkenes via Hydrogen Atom Transfer

D Jiang, X Li, M Xiao, LJ Cheng - Angewandte Chemie, 2024 - Wiley Online Library
A cobalt‐catalyzed intramolecular Markovnikov hydroalkoxycarbonylation and
hydroaminocarbonylation of unactivated alkenes has been developed, enabling highly …

Aldehydes as O-Nucleophiles in Cobalt Hydride Hydrogen Atom Transfer Catalysis: Overriding the Innate Somophilicity

YC Nie, F Yang, YH Li, R Zhu - Organic Letters, 2023 - ACS Publications
In metal hydride-catalyzed alkene hydrofunctionalization reactions via hydrogen atom
transfer, simple carbonyl groups have been well-recognized as good somophiles at the …

Cobalt-Catalyzed Cyclization of Unsaturated N-Acyl Sulfonamides: a Diverted Mukaiyama Hydration Reaction

DM Fischer, M Balkenhohl, EM Carreira - JACS Au, 2022 - ACS Publications
The cycloisomerization of β-, γ-, and δ-unsaturated N-acyl sulfonamides to N-sulfonyl
lactams and imidates is reported. This transformation is effected in the presence of a CoIII …