Construction of a Dual-Functionalized Acid–Base Nanocatalyst via HEPES Buffer Functionalized on Fe3O4 as a Reusable Catalyst for Annulation Reactions

M Borzooei, M Norouzi, M Mohammadi - Langmuir, 2024‏ - ACS Publications
Herein, we present a highly efficient dual-functionalized acid–base nanocatalyst, denoted as
Fe3O4@ GLYMO-HEPES, featuring sulfuric acid and tertiary amines as its dual functional …

L–aspartic acid chelan–Cu (II) complex coted on ZrFe2O4 MNPs catalyzed one–pot annulation and cooperative geminal-vinylogous anomeric–based oxidation …

M Mohammadi, A Ghorbani-Choghamarani… - Journal of Physics and …, 2023‏ - Elsevier
In the present study, a novel chelan complex–l-aspartic acid with copper (II)–is well
prepared on the surface of silica-modified nanomagnetic zirconium ferrite as a new catalytic …

A novel cubic Zn‐citric acid‐based MOF as a highly efficient and reusable catalyst for the synthesis of pyranopyrazoles and 5‐substituted 1H‐tetrazoles

M Koolivand, M Nikoorazm… - Applied …, 2022‏ - Wiley Online Library
A highly stable and efficient heterogeneous catalyst was successfully prepared by
hydrothermal reaction of Zinc nitrate with citric acid. To produce a novel Zn‐based MOF …

An Insight into Photophysical Investigation of (E)-2-Fluoro-N'-(1-(4-Nitrophenyl)Ethylidene)Benzohydrazide through Solvatochromism Approaches and Computational …

DA Thadathil, S Varghese, KB Akshaya… - Journal of …, 2019‏ - Springer
A fluoro-based Schiff base (E)-2-fluoro-N′-(1-(4-nitrophenyl) ethylidene) benzohydrazide
(FNEB) has been synthesized from condensation of 2-fluorobenzohydrazide and 4 …

Synthesis, spectroscopic, and structural studies of substituent effect on the solvatochromic, tautomeric, and halochromic behavior of 2-methylated arylazoquinoline …

AG Gilani, S Moayedi, EM Rufchahi… - Journal of Molecular …, 2023‏ - Elsevier
Six methylated heteroarylazo quinoline dyes with different electron-withdrawing/donating
substituents, namely 5-(4-substituted arylazo)-8-hydroxy-2-methyl quinoline dyes, were …

Fluorescent styryl chromophores with rigid (pyrazole) donor and rigid (benzothiophenedioxide) acceptor–complete density functional theory (DFT), TDDFT and …

S Bhalekar, A Bhagwat, N Sekar - Physical Sciences Reviews, 2023‏ - degruyter.com
Density functional theory (DFT) and time-dependent DFT computations were employed to
examine linear and nonlinear optical (NLO) characteristics of (E)-4-((1, 1-dioxido-3 …

Application of fluorescence in solvatochromic studies of organic compounds

A Varghese, KB Akshaya - Reviews in Fluorescence 2017, 2019‏ - Springer
In this review, we report the photophysical studies of selected heterocyclic compounds
through solvatochromic approaches. The absorbance and fluorescence spectral …

An Fe 3 O 4 supported O-phenylenediamine based tetraaza Schiff base-Cu (ii) complex as a novel nanomagnetic catalytic system for synthesis of pyrano [2, 3-c] …

GS Jassim, HA Naji, AH Shather, IH Naser… - Nanoscale …, 2023‏ - pubs.rsc.org
In this research, we present a post-synthetic method for synthesizing a novel nanomagnetic
Cu (II) Schiff base complex and investigate its efficiency in catalytic organic conversion …

A green and one-pot synthesis of 6-amino-1,4-dihydropyrano[2,3-c]-pyrazole-5-carbonitrile derivatives using CoCeO2 nanoparticles as an efficient, reusable and …

SA Shaikh, VS Kamble, RK Zemase, SK Patil… - Research on Chemical …, 2023‏ - Springer
In the present study, a novel, facile and environmentally benign protocol for the synthesis of
pharmaceutically active 6-amino-1, 4-dihydropyrano [2, 3-c]-pyrazole-5-carbonitrile …

Post-synthetic generation of nanomagnetized tetraaza-copper (II): as a novel heterogeneous catalyst for synthesis of fused N-heterocycles

AT Ali, AI Hamzah, AH Shather, AJH Al-Athari… - Research on Chemical …, 2024‏ - Springer
In this study, we report the synthesis of a novel nanomagnetized [Bis-Schiff base-Cu (II)]
complex through a simple, multi-step post-synthetic modification approach. This method …