A Review on Functionalization of Benzo‐5, 6‐Fused Bicyclic Heteroaromatic Compounds

M Pradeep Kumar, AS Annie… - Chemistry–An Asian …, 2024 - Wiley Online Library
Over the decades, functionalized heteroaromatic compounds and their scaffolds have drawn
significant attention in synthetic organic chemistry as well as in interdisciplinary sciences …

Transition‐Metal‐Free Regioselective C− H Arylation of Heteroarenes

S Choudhary, T Yadav, J Jaleel… - European Journal of …, 2024 - Wiley Online Library
Regioselectively arylated heteroarenes are privileged scaffolds with remarkable biological
and optoelectronic properties. Traditional arylation approaches based on the transition …

Maleimide-Dependent Rh(III)-Catalyzed Site-Selective Mono and Dual C–H Functionalization of 2-Arylbenzo[d]thiazole and Oxazole Derivatives

V Kumari, SS Acharya, N Mondal… - The Journal of Organic …, 2024 - ACS Publications
The site-selective functionalization of aromatic compounds via C–H activation has emerged
as a popular tool in organic synthesis. In this study, we report a regioselective coupling of …

Rhodium (iii)-catalyzed oxidative annulation of N-arylbenzamidines with maleimides via dual C–H activation

GS Sankaram, T Sahoo, B Sridhar… - Organic & Biomolecular …, 2023 - pubs.rsc.org
An oxidative annulation of N-arylbenzimidamides with maleimides has been developed for
the first time using a catalytic amount of the [Cp* RhCl2] 2 complex for the synthesis of a …

Microwave-Assisted Ru (II)-Catalyzed Regioselective Methyl Acylation of 2-Arylbenzoazoles: Synthesis of Benzofuran Conjugates via C–H Activation/Annulation

S Dastari, S Murugappan, SE John… - The Journal of Organic …, 2024 - ACS Publications
An efficient Ru (II)-catalyzed C–H functionalization protocol for 2-arylbenzoazoles as the
directing group and sulfoxonium ylide has been developed. Gratifyingly, concomitant …

Facile Synthesis of Benzimidazoles via Oxidative Cyclization of Acyclic Monoterpene Aldehyde with Diamines: Studies on Antimicrobial and in Vivo Evaluation of …

M Vaithiyalingam, R Mohan Kumar… - Chemistry & …, 2023 - Wiley Online Library
Abstract Citral (1a), a bioactive component of Cymbopogon citratus (lemongrass) could be
isolated and semi‐synthetic analogs synthesized with improved therapeutic properties …

Ru (II)-Catalyzed Regioselective C–N Bond Formation on Benzothiazoles Employing Acyl Azide as an Amidating Agent

SE John, D Bora, V Dhiman, R Tokala… - ACS …, 2021 - ACS Publications
A Ru (II)-catalyzed regioselective direct ortho-amidation of 2-aryl benzo [d] thiazoles
employing acyl azides as a nitrogen source has been accomplished. This approach utilizes …

Zirconium-catalyzed one-pot synthesis of benzoxazoles using reaction of catechols, aldehydes and ammonium acetate

M Mohammadi, J Aboonajmi, F Panahi… - Scientific Reports, 2024 - nature.com
In this study, an efficient method for the synthesis of benzoxazoles by coupling catechols,
aldehydes and ammonium acetate using ZrCl4 as catalyst in ethanol is reported. A wide …

Regiodivergent Metal-Catalyzed Oxidative Alkynylation of 2-Arylthiazoles with Terminal Alkynes under Air Conditions

P Zhou, C Wang, G Wan, W Zheng, Z Wei… - The Journal of …, 2024 - ACS Publications
Regiodivergent transition-metal-catalyzed oxidative C5-and ortho-alkynylation of 2-
arylthiazoles have been demonstrated. Namely, Pd (II)-catalysis selectively generated C5 …