Ultrasound-assisted transition-metal-free catalysis: a sustainable route towards the synthesis of bioactive heterocycles

B Borah, LR Chowhan - RSC advances, 2022 - pubs.rsc.org
Heterocycles of synthetic and natural origin are a well-established class of compounds
representing a broad range of organic molecules that constitute over 60% of drugs and …

Microwave-assisted synthesis of quinazolines and quinazolinones: an overview

L Mohammadkhani, MM Heravi - Frontiers in chemistry, 2020 - frontiersin.org
Microwave irradiation (MWI), as a unique, effective, sustainable, more economic, and
greener source of energy compared to conventional heating, is applied in different organic …

Acridine‐1, 8‐diones: Synthesis and Biological Applications

N Sahiba, A Sethiya, J Soni, S Agarwal - ChemistrySelect, 2021 - Wiley Online Library
The unpretentious features of acridine‐1, 8‐diones viz. presence of N‐heteroatom,
electronic behavior, acridine ring skeleton and wide possibilities of diversified substitution …

Exploration of NIR squaraine contrast agents containing various heterocycles: synthesis, optical properties and applications

S Sarasiya, S Sarasiya, M Henary - Pharmaceuticals, 2023 - mdpi.com
Squaraine dye is a popular class of contrast near-infrared (NIR) dyes. Squaraine dyes have
shown the ability to be modified with various heterocycles. The indole moiety is the most …

A panchromatic cyclometalated iridium dye based on 2-thienyl-perimidine

P Kalle, MA Kiseleva, SV Tatarin, DE Smirnov… - Molecules, 2022 - mdpi.com
Though 2-arylperimidines have never been used in iridium (III) chemistry, the present study
on structural, electronic and optical properties of N-unsubstituted and N-methylated 2-(2 …

Application of Bertagnini's Salts in a Mechanochemical Approach Toward Aza‐Heterocycles and Reductive Aminations via Imine Formation

S Behera, S Kanti Bera, F Basoccu… - Advanced Synthesis …, 2024 - Wiley Online Library
Our research has demonstrated that mechanochemical activation is more effective with solid
reagents. We have showcased the practicality of Bertagnini's salts, also called aldehyde …

Metal free sulfonic acid functionalized carbon catalyst for green and mechanochemical synthesis of perimidines

N Sahiba, A Sethiya, J Soni, S Agarwal - ChemistrySelect, 2020 - Wiley Online Library
A new and scalable mechanochemical approach has been developed for the synthesis of
perimidine derivatives using an efficient and recyclable catalyst, carbon sulfonic acid under …

Electrochemical proton-coupled electron transfer processes to form neutral radicals of azaphenalenes: pKa values of protonated radicals

H Suzuki, Y Wada, PM Usov, Y Zhu, B Chan, LA Hall… - Electrochimica …, 2024 - Elsevier
Azaphenalenes are nitrogen substituted analogues of the phenalene ring system, and their
radicals have attracted significant attention because of the novel electronic and magnetic …

Novel recyclable catalysts for selective synthesis of substituted perimidines and aminopyrimidines

B Zhang, J Li, H Zhu, XF **a, D Wang - Catalysis Letters, 2023 - Springer
It was accepted ligands played key role for selective synthesis and catalysis. A novel
pyridinyltriazine skeleton ligand, the corresponding catalysts SBA-15@ TZP-Ir and SBA …

Well-defined cobalt (ii)-catalyzed synthesis of perimidine derivatives via acceptorless dehydrogenative annulation

D Pal, R Sarmah, A Mondal, I Mallick… - Organic & Biomolecular …, 2024 - pubs.rsc.org
The versatility of the perimidine moiety offers a rich playground for researchers in fields
ranging from medical science to industrial chemistry. Herein, we describe the first Co …