Copper-Catalyzed Intramolecular Olefinic C(sp2)–H Amidation for the Synthesis of γ-Alkylidene-γ-lactams

K Nozawa-Kumada, M Hayashi, E Kwon, M Shigeno… - Molecules, 2023 - mdpi.com
Herein, we report the copper-catalyzed dehydrogenative C (sp2)–N bond formation of 4-
pentenamides via nitrogen-centered radicals. This reaction provides a straightforward and …

Recent Advances in Palladium-Catalyzed Oxidative Couplings in the Synthesis/Functionalization of Cyclic Scaffolds Using Molecular Oxygen as the Sole Oxidant

AA Barboza, JA Dantas, MO Costa, A Chiavegatti… - …, 2022 - thieme-connect.com
Over the past years, Pd (II)-catalyzed oxidative couplings have enabled the construction of
molecular scaffolds with high structural diversity via C–C, C–N and C–O bond-forming …

Visible Light and Hydroxynaphthylbenzimidazoline Promoted Transition-Metal-Catalyst-Free Desulfonylation of N-Sulfonylamides and N-Sulfonylamines

E Hasegawa, Y Nagakura, N Izumiya… - The Journal of …, 2018 - ACS Publications
A visible light promoted process for desulfonylation of N-sulfonylamides and-amines has
been developed, in which 1, 3-dimethyl-2-hydroxynaphthylbenzimidazoline (HONap-BIH) …

Palladium Catalyzed Aerobic Oxidative Amination of Alkenes

J Meng, H Liu, Z Wu, W Zhang - Asian Journal of Organic …, 2023 - Wiley Online Library
Amines are widely applied in the chemical and pharmaceutical industries, and the
development of synthetic methods for their preparation is driven by their importance. The …

Catalytic Aza-Wacker annulation: tuning mechanism by the activation mode of amide and enantioselective syntheses of melinonine-E and strychnoxanthine

C Xie, J Luo, Y Zhang, SH Huang, L Zhu, R Hong - Organic letters, 2018 - ACS Publications
An unprecedented N-substituent of the amide was found to be crucial for the successful
annulation to establish 2-azabicyclo [3.3. 1] nonane and other ring skeletons in good yield …

Intramolecular palladium-catalyzed oxidative amination of furans: Synthesis of functionalized indoles

AS Makarov, MG Uchuskin… - The Journal of Organic …, 2018 - ACS Publications
Unconventional modification of palladium-catalyzed oxidative amination where a furan ring
serves as a masked olefin is described. The designed chemical process provides 2-(2 …

(Diacyloxyiodo)benzenes‐Driven Palladium‐Catalyzed Cyclizations of Unsaturated N‐Sulfonylamides: Opportunities of Path Selection

T Borelli, S Brenna, G Broggini… - Advanced Synthesis & …, 2017 - Wiley Online Library
A study of the palladium (II)‐catalyzed cyclization of unsaturated N‐sulfonylamides was
undertaken, using (diacyloxyiodo) benzenes as terminal oxidizing agents. Different …

Total syntheses of melinonine-E and strychnoxanthine: Evolution of the synthetic strategy enabled by novel method development

J Luo, C Xie, Y Zhang, SH Huang, L Zhu, R Hong - Tetrahedron, 2018 - Elsevier
In this full account, the evolution of a synthetic strategy was detailed from a nitroso-ene
cyclization to an aza-Wacker reaction for ring construction in the syntheses of melinonine-E …

n‐Bu4NI/K2S2O8‐Mediated C–N Coupling between Aldehydes and Amides

X Liu, S Hee, NG Sapir, A Li… - European Journal of …, 2024 - Wiley Online Library
n‐Bu4NI/K2S2O8‐mediated C‐N coupling between aldehydes and amides is reported. A
strong electronic effect is observed on the aromatic aldehyde substrates. The …

Unusual 1,2‐Aryl Migration and Depalladation of Alkylpalladium Intermediates Containing a syn‐β‐Hydrogen Atom

SW Youn, SR Lee, YA Kim, DY Kang… - ChemistrySelect, 2016 - Wiley Online Library
In general, alkylpalladium intermediates containing a syn β‐hydrogen atom are expected to
undergo β–hydride elimination preferentially. However, this study unveils a new mechanistic …