Metal-coordinated azoaromatics: Strategies for sequential azo-reduction, isomerization and application potential

S Panda, S Dhara, A Singh, S Dey, GK Lahiri - Coordination Chemistry …, 2023 - Elsevier
Reversible electron reservoir feature of redox non-innocent ligand is an important event from
the broader perspectives of metal–ligand cooperativity in catalysis as well as in introducing …

Metal–ligand cooperative approaches in homogeneous catalysis using transition metal complex catalysts of redox noninnocent ligands

R Mondal, AK Guin, G Chakraborty… - Organic & biomolecular …, 2022 - pubs.rsc.org
Catalysis offers a straightforward route to prepare various value-added molecules starting
from readily available raw materials. The catalytic reactions mostly involve multi-electron …

N-Alkylation of Amines by C1–C10 Aliphatic Alcohols Using A Well-Defined Ru(II)-Catalyst. A Metal–Ligand Cooperative Approach

AK Guin, S Pal, S Chakraborty… - The Journal of …, 2023 - ACS Publications
A Ru (II)-catalyzed efficient and selective N-alkylation of amines by C1–C10 aliphatic
alcohols is reported. The catalyst [Ru (L1a)(PPh3) Cl2](1a) bearing a tridentate redox-active …

Zn(II)-Catalyzed Selective N-Alkylation of Amines with Alcohols Using Redox Noninnocent Azo-Aromatic Ligand as Electron and Hydrogen Reservoir

S Chakraborty, R Mondal, S Pal, AK Guin… - The Journal of …, 2022 - ACS Publications
We report a sustainable and eco-friendly approach for selective N-alkylation of various
amines by alcohols, catalyzed by a well-defined Zn (II)-catalyst, Zn (La) Cl2 (1a), bearing a …

A general and practical bifunctional cobalt catalytic system for N-heterocycle assembly via acceptorless dehydrogenation

H Tian, W Xue, J Wu, Z Yang, H Lu… - Organic Chemistry …, 2022 - pubs.rsc.org
A novel and highly-efficient N-heterocycle assembly methodology catalyzed by a cobalt-N, N-
bidentate complex has been established. The cobalt complex is unprecedented, phosphine …

Zn (II)-catalyzed multicomponent sustainable synthesis of pyridines in air

S Pal, S Das, S Chakraborty, S Khanra… - The Journal of Organic …, 2023 - ACS Publications
Herein, we report a Zn (II)-catalyzed solvent-free sustainable synthesis of tri-and tetra-
substituted pyridines using alcohols as the primary feedstock and NH4OAc as the nitrogen …

Roles of Alkali Metals tert‐Butoxide as Catalysts and Activators in Organic Transformations

CK Patel, S Banerjee, K Kant… - Asian Journal of …, 2023 - Wiley Online Library
The alkali metal tert‐butoxides have found wide application as catalysts and activators for
the conversion of numerous organic molecules. These formidable additives in catalytic …

Alcohol Dehydrogenation-Triggered Selective C3-Alkylation of Indoles by Homogeneous Azo-aromatic Cobalt Catalysts

Kamal, M Khatua, S Rani, B Goswami… - The Journal of Organic …, 2023 - ACS Publications
Herein, we report azo-benzimidazole containing cobalt complexes (1–3) for alcohol
dehydrogenation-triggered C3-alkylation of indoles. In complexes 1–3, ligands are redox …

Ruthenium-catalyzed dehydrogenative functionalization of alcohols to pyrroles: a comparison between metal–ligand cooperative and non-cooperative approaches

AK Guin, R Mondal, G Chakraborty, S Pal… - The Journal of Organic …, 2022 - ACS Publications
Herein, we report the synthesis and characterization of two ruthenium-based pincer-type
catalysts,[1] X (X= Cl, PF6) and 2, containing two different tridentate pincer ligands, 2 …

Nickel catalyzed sustainable synthesis of benzazoles and purines via acceptorless dehydrogenative coupling and borrowing hydrogen approach

G Chakraborty, R Mondal, AK Guin… - Organic & Biomolecular …, 2021 - pubs.rsc.org
Herein we report nickel-catalyzed sustainable synthesis of a few chosen five-membered
fused nitrogen heterocycles such as benzimidazole, purine, benzothiazole, and …