Amine Functionalized Pincer-like Azo-aromatic Complexes of Cobalt and Their Catalytic Activities in the Synthesis of Quinoline via Acceptorless Dehydrogenation of …

B Goswami, M Khatua, R Chatterjee, Kamal… - …, 2023 - ACS Publications
Herein we disclose a series of phosphine-free cobalt (II)-based catalytic systems bearing a
redox non-innocent amine functionalized azo-aromatic pincer-like ligand for the synthesis of …

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 …

Azide–Alkyne “Click” Reaction in Water Using Parts-Per-Million Amine-Functionalized Azoaromatic Cu (I) Complex as Catalyst: Effect of the Amine Side Arm

M Khatua, B Goswami, Kamal, S Samanta - Inorganic Chemistry, 2021 - ACS Publications
A series of Cu (II) complexes, 1–4 and 6, were synthesized through a reaction of amine-
functionalized pincer-like ligands, HL 1, 2, L a, b, and a bidentate ligand L 1 with CuCl2 …

Hemilabile Amine-Functionalized Efficient Azo-Aromatic Cu-Catalysts Inspired by Galactose Oxidase: Impact of Amine Sidearm on Catalytic Aerobic Oxidation of …

M Khatua, B Goswami, S Hans, Kamal… - Inorganic …, 2022 - ACS Publications
A series of azo-aromatic copper (II) complexes,[1a-g] and a Cu (I) complex,[1h], with varying
amine-functionalized hemilabile pincer-like [HL 1–3] and [L 1, 2], methyl-substituted azo [L3] …

Polymerisation of styrene using pincer type amine functionalized azo aromatic complexes of Co (II) as catalysts

B Goswami, M Khatua, S Samanta - Dalton Transactions, 2022 - pubs.rsc.org
In the present report, three mononuclear azo-aromatic complexes of Co (II), 1–3, and an
imine-based Co (II) complex, 4, were synthesized through a reaction of respective amine …

Redox Noninnocent Copper (I) Complex Where Metal Is a Spectator and Ligand Is an Actor in the Glaser Coupling Reaction of Alkynes

S Rani, Kamal, Muskan, A Changotra… - Inorganic …, 2024 - ACS Publications
An extended trisazo dipyridyl ligand, L, and its copper (I) complex,[1]+, were synthesized
and fully characterized. Complex [1]+ has five coordination geometry satisfied by ligand L. L …

Fixation of CO2 with Epoxides Catalyzed by Pincer-Type Azo-Aromatic Complexes of Cobalt as Catalysts

B Goswami, M Khatua, S Rani, R Chatterjee… - Inorganic …, 2024 - ACS Publications
Employing a series of azo-aromatic pincer-type cobalt (II) complexes, 1–5, and an imine-
based cobalt complex, 6, a highly efficient catalytic protocol for the cycloaddition of CO2 with …

A Phosphine-Oxide Cobalt (II) Complex and Its Catalytic Activity Studies toward Alcohol Dehydrogenation Triggered Direct Synthesis of Imines and Quinolines

M Khatua, B Goswami, A Devi, Kamal, S Hans… - Inorganic …, 2024 - ACS Publications
Herein, a new pincer-like amino phosphine donor ligand, H 2 L 1, and its phosphine-oxide
analog, H 2 L 2, were synthesized. Subsequently, cobalt (II) complexes 1 and 2 were …

Microwave-assisted rapid and sustainable synthesis of unsymmetrical azo dyes by coupling of nitroarenes with aniline derivatives

A Thakuri, M Banerjee, A Chatterjee - Iscience, 2022 - cell.com
Aromatic azo dyes are of immense commercial importance, and the development of greener
routes for their synthesis is imperative due to current environmental concerns. In the present …

Noninnocent Azo-Aromatic Cobalt(II)-Catalyzed sp3 C–H Alkylation of Fluorenes with Alcohols

Kamal, S Samanta - The Journal of Organic Chemistry, 2024 - ACS Publications
Herein, employing well-defined redox noninnocent cobalt (II) complexes an efficient sp3 C–
H alkylation of fluorenes using alcohols as alkylating agents to result in alkylated fluorenes …