Cobalt (III)‐Catalyzed Enantioselective Intermolecular Carboamination by C− H Functionalization

K Ozols, S Onodera, Ł Woźniak… - Angewandte Chemie …, 2021 - Wiley Online Library
High‐valent cyclopentadienyl cobalt catalysis is a versatile tool for sustainable C− H bond
functionalizations. To harness the full potential of this strategy, control of the stereoselectivity …

Recent Advances in Cobalt‐Catalyzed, Directing‐Group‐Assisted C− H Bond Amidation Reactions

S Sunny, R Karvembu - Advanced Synthesis & Catalysis, 2021 - Wiley Online Library
C− N bond formation reactions have garnered a lot of interest in recent years due to the
predominance of nitrogen‐containing compounds in most pharmacological medications …

Redox-neutral C–H annulation strategies for the synthesis of heterocycles via high-valent Cp* Co (iii) catalysis

N Bhaduri, AB Pawar - Organic & Biomolecular Chemistry, 2023 - pubs.rsc.org
A variety of biologically active molecules, pharmaceuticals, and natural products consist of a
nitrogen-containing heterocyclic backbone. The majority of them are isoquinolones, indoles …

RuII-Catalyzed/NH2-Assisted Selective Alkenyl C–H [5 + 1] Annulation of Alkenylanilines with Sulfoxonium Ylides to Quinolines

P Chen, J Nan, Y Hu, Q Ma, Y Ma - Organic Letters, 2019 - ACS Publications
A novel ruthenium-catalyzed [5+ 1] annulation of 2-alkenylanilines with sulfoxonium ylides
was developed for the rapid assembly of highly functionalized quinolines. This new catalytic …

Cobalt (III)-catalyzed regioselective C6 olefination of 2-pyridones using alkynes: olefination/directing group migration and olefination

X Xu, L Zhang, H Zhao, Y Pan, J Li, Z Luo, J Han… - Organic …, 2021 - ACS Publications
Co (III)-catalyzed highly regio-and stereoselective direct C6 olefination of 2-pyridones with
alkynes has been developed with the assistance of chelation. Upon variation of the reaction …

Ni‐Catalyzed Chelation‐Assisted Direct Functionalization of Inert C—H Bonds

YH Liu, YN Xia, BF Shi - Chinese Journal of Chemistry, 2020 - Wiley Online Library
During the last two decades, impressive advancements have been achieved in transition
metal‐catalyzed chelation‐assisted C—H functionalization reaction. While reactions in this …

Harnessing Vinyl Acetate as an Acetylene Equivalent in Redox-Neutral Cp* Co (III)-Catalyzed C–H Activation/Annulation for the Synthesis of Isoquinolones and …

T Rana, A Ghosh, YN Aher, AB Pawar - ACS omega, 2023 - ACS Publications
We have developed Cp* Co (III)-catalyzed redox-neutral synthesis of 3, 4-unsubstituted
isoquinoline 1 (2 H)-ones at ambient temperature using N-chloroamides as a starting …

Versatile Cp* Co (III)(LX) catalyst system for selective intramolecular C–H amidation reactions

J Lee, J Lee, H Jung, D Kim, J Park… - Journal of the American …, 2020 - ACS Publications
Herein, we report the development of a tailored cobalt catalyst system of Cp* Co (III)(LX)
toward intramolecular C–H nitrene insertion of azidoformates to afford cyclic carbamates …

Cp*CoIII-Catalyzed C(7)–H Bond Annulation of Indolines with Alkynes

R Mandal, B Garai, B Sundararaju - The Journal of Organic …, 2021 - ACS Publications
An efficient protocol for the synthesis of biologically essential pyrroloquinolinones has been
developed under Cp* CoIII catalysis, which involves a cascade reaction of C (7)–H …

Cp* Co (iii)-catalyzed C2-thiolation and C2, C3-dithiolation of substituted indoles with N-(arylthio) succinimide

J Ghorai, A Kesavan, P Anbarasan - Chemical Communications, 2021 - pubs.rsc.org
A general and efficient Cp* CoIII-catalyzed C2-thiolation and C2, C3-dithiolation of indole
derivatives has been achieved employing N-(aryl/alkylthio) succinimide as a thiolating …