Redox-neutral carbon–heteroatom bond formation under photoredox catalysis

S Ghosh, S Majumder, D Ghosh, A Hajra - Chemical Communications, 2023 - pubs.rsc.org
Recently, visible-light-mediated photoredox catalysis has been emerging as one of the
fastest growing fields in organic chemistry because of its low cost, easy availability and …

Unified approaches in transition metal catalyzed C (sp 3)–H functionalization: recent advances and mechanistic aspects

J Grover, AT Sebastian, S Maiti… - Chemical Society …, 2025 - pubs.rsc.org
In organic synthesis, C (sp3)–H functionalization is a revolutionary method that allows direct
alteration of unactivated C–H bonds. It can obviate the need for pre-functionalization and …

Palladium-catalyzed [3+ 2] annulation of aromatic amides with maleimides through dual C–H activation

G Naskar, M Jeganmohan - Organic Letters, 2023 - ACS Publications
A palladium-catalyzed [3+ 2] annulation of substituted aromatic amides with maleimides
providing tricyclic heterocyclic molecules in good to moderate yields through weak carbonyl …

Ligand‐Enabled Double γ‐C(sp3)−H Functionalization of Aliphatic Acids: One‐Step Synthesis of γ‐Arylated γ‐Lactones

ME Hoque, JQ Yu - Angewandte Chemie International Edition, 2023 - Wiley Online Library
Abstract γ‐methylene C (sp3)− H functionalization of linear free carboxylic acids remains a
significant challenge. Here in we report a Pd (II)‐catalyzed tandem γ‐arylation and γ …

Tandem dehydrogenation-olefination-decarboxylation of cycloalkyl carboxylic acids via multifold C–H activation

T Pal, P Ghosh, M Islam, S Guin, S Maji, S Dutta… - Nature …, 2024 - nature.com
Dehydrogenation chemistry has long been established as a fundamental aspect of organic
synthesis, commonly encountered in carbonyl compounds. Transition metal catalysis …

Palladium-Catalyzed Aerobic Oxidative Spirocyclization of Alkyl Amides with Maleimides via β-C(sp3)–H Activation

A Dutta, M Jeganmohan - Organic Letters, 2023 - ACS Publications
An efficient method for the synthesis of bicyclic spirodiamine molecules via β-C (sp3)–H
bond activation of aliphatic amides, followed by cyclization with maleimides, has been …

Merging Photocatalytic C–O Cross-Coupling for α-Oxycarbonyl-β-ketones: Esterification of Carboxylic Acids via a Decarboxylative Pathway

S Mondal, S Mondal, SP Midya, S Das, S Mondal… - Organic …, 2022 - ACS Publications
Herein, the first merged photocatalytic pathway for the C–O cross-coupled esterification of
carboxylic acids to α-oxycarbonyl-β-ketones has been demonstrated. Decarboxylation of α …

The Direct Pd-Catalyzed γ-Lactonization of Aliphatic Carboxylic Acids

T Xu, S Mal, M van Gemmeren - ACS Catalysis, 2024 - ACS Publications
A direct palladium-catalyzed γ-lactonization of free carboxylic acids via C–O reductive
elimination as a key step is described. Notable aspects of this protocol include the use of …

Native functional group directed distal C (sp 3)–H activation of aliphatic systems

S Saha, J Das, SA Al-Thabaiti, SM Albukhari… - Catalysis Science & …, 2023 - pubs.rsc.org
Aliphatic systems are ubiquitous in numerous natural products and pharmacoactive
compounds. Selective remote C–H functionalization of such aliphatic chains is of great …

Catalyst-Controlled Chemoselective γ-C(sp3)–H Lactonization of Carboxylic Acid: Methyl versus Methylene

JL Yan, L Hu, Y Lu, JQ Yu - Journal of the American Chemical …, 2024 - ACS Publications
Despite recent advances in ligand-enabled C (sp3)–H functionalization of native substrates,
controlling chemoselectivity in the presence of methyl and methylene C (sp3)–H bonds …