Ruthenium catalyzed dehydrogenative α-C–H functionalization of β-naphthol using alcohols: a metal–ligand cooperative borrowing hydrogen approach

AK Guin, S Chakraborty, S Khanra… - Catalysis Science & …, 2024 - pubs.rsc.org
Chemoselective α-C–H functionalization of β-naphthol is achieved with inexpensive and
readily available alcohols using a well-defined, air-stable, and easy-to-prepare Ru (II) …

Selective C- and N-Methylation of Secondary Alcohols and Nitroaromatics with Methanol Catalyzed by a New Ru(II)-Azo Complex

S Chakraborty, S Khanra, S Dutta, P Brandão… - …, 2024 - ACS Publications
Using MeOH as the methylating agent, selective methylation of secondary alcohols and
nitroaromatics is achieved using a newly prepared Ru (II)-catalyst 1a of a tridentate azo …

Direct N‐Alkylation of Amines with Alcohols Catalyzed by N‐Heterocyclic Carbene Cobalt‐Pincer Catalyst under Mild Conditions

X Liu, Y Ge, Y Yang, M Zhang… - Asian Journal of …, 2024 - Wiley Online Library
Alcohols are widely available and can be derived from renewable resources. Catalytic
alcohol amination for N‐alky amine synthesis using the borrowing hydrogen strategy is an …

Ligand Assisted Co (II)‐Catalyzed Multicomponent Synthesis of Substituted Pyrroles and Pyridines

S Chakraborty, A Singha Mohapatra… - Chemistry–An Asian …, 2025 - Wiley Online Library
Herein, we describe a sustainable Co (II)‐catalyzed synthesis of pyrroles and pyridines.
Using a Co (II)‐catalyst [CoII2 (La) 2Cl2](1 a) bearing redox‐active 2‐(phenyldiazenyl)‐1, 10 …

A New Methodology for Preparing Benzylated Aminopyridines Yields Unprecedented Site-Selective Organocatalysts

M Kozlov, F Saady, O Fleischer, SB Sason, I Amer… - 2024 - chemrxiv.org
While develo** site-selective alcohol-modifying catalysts, we found that Lewis acid-
promoted benzylation or cyclative dibenzylation of aminopyridines with alcohols effectively …