Ligand-based redox: catalytic applications and mechanistic aspects

K Singh, A Kundu, D Adhikari - ACS Catalysis, 2022 - ACS Publications
For the last few decades, coordination chemists have seen many ligands whose role
pervades far beyond being a supporting ancillary. The ambiguity in their electronic structure …

Yellow-Emitting, Pseudo-Octahedral Zinc Complexes of Benzannulated N^ N^ O Pincer-Type Ligands

IB Lozada, JD Braun, JAG Williams… - Inorganic …, 2022 - ACS Publications
A series of yellow-emitting, pseudo-octahedral Zn (II) complexes supported by monoanionic,
tridentate acetylacetone-derived N^ N–^ O ligands incorporating phenanthridine (benzo [c] …

Aggregation-Induced Enhanced Emission-Active Zinc (II) β-Diketiminate Complexes Enabling High-Performance Solution-Processable OLEDs

K Singh, I Siddiqui, V Sridharan… - Inorganic …, 2021 - ACS Publications
Earth-abundant and cheaper zinc-based organometallic molecules as luminophores are
drawing significant research attention for solid-state lighting devices. In this paper, we report …

Bimodal photocatalytic behaviour of a zinc β-diketiminate: application to trifluoromethylation reactions

K Singh, R Singh, AS Hazari, D Adhikari - Chemical Communications, 2022 - pubs.rsc.org
A photoactive zinc β-diketiminate complex spans a wide redox window of 3.97 V at its
excited state. Having a highly reducing excited-state potential, it generates an electrophilic …

Multielectron Redox Afforded by a Pincer Ligand Promoting Kumada Cross‐Coupling Reactions

V Singh, H Jain, S Nath… - Chemistry–A European …, 2024 - Wiley Online Library
The redox‐active nature of a pincer has been exploited to conduct C− C cross‐coupling
reactions under mild conditions. A nickel complex with a NNN pincer was dimeric in the solid …

Redox noninnocence of the formazanate ligand applied to catalytic formation of α-ketoamides

V Singh, A Kundu, K Singh, D Adhikari - Chemical Communications, 2022 - pubs.rsc.org
The formazan ligands have been investigated as redox-noninnocent backbones for a long
time. Despite their well-established behaviour as redox reservoirs, the demonstration of …

Visible-light-induced tandem radical addition/cyclization of 2-alkenylphenols and CBr 4 for the synthesis of 4-arylcoumarins

LP Tan, D Liang, Y Cheng, WJ Xiao… - Organic Chemistry …, 2021 - pubs.rsc.org
A visible-light-induced photoredox-catalyzed tandem radical addition/cyclization of 2-
alkenylphenols and CBr4 is developed. This protocol features mild and redox-neutral …

Functionalized Benzothiadiazole Non‐Fused A− D− A'− D− A Small Molecules for Effective Electron Mobilities and Metal‐free Photocatalysis

N Pratap Tripathi, V Gupta, T Tarun… - … A European Journal, 2023 - Wiley Online Library
Three non‐fused A− D− A'− D− A π‐conjugated metal‐free small molecules BT‐IT1, BT‐
IBT2 and BT2F‐IBT3 have been synthesized and their absorption characteristics and redox …

Experimental and computation studies of a Zn (II) coordination complex with isophthalic acid and benzimidazole as ligands

Q Li, YZ Cui, JJ Wang, CB Li - Journal of Molecular Structure, 2023 - Elsevier
Abstract The complex [Zn (C 7 N 2 H 6) 2 (C 8 O 4 H 5) 2] was synthesized by benzimidazole
(bim), isophthalic acid (ipH 2) and ZnCl 2. The Zn 2+ is four coordinated and connected to …

Live long and phosphor: extending absorptive cross-sections and excited-state lifetimes through benzannulation

I Lozada - 2022 - mspace.lib.umanitoba.ca
There are several strategies in modifying the electronic structure of molecules. Functional
group modification is perhaps the most used approach. In this thesis, I explore a different …