OOIR: Observatory of International Research

Papers

(The H4-Index of Research on Chemical Intermediates is 27. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2022-01-01 to 2026-01-01.)

Article	Citations
Natural Halloysite@Si(CH2)3NH2@Cu(acac)2 as an efficient nanocatalyst for the one-pot and three-component synthesis of propargylamines under solvent-free conditions	76
Effects of charges of Eu3+-doped LDH laminates on drug loading capacity and drug release as well as its anticancer effects	76
HZSM-5 synthesized from montmorillonite activated by different method as an efficient solid acid for steam reforming of dimethyl ether	62
Microwave-assisted green synthesis of Cyanthillium cinereum mediated gold nanoparticles: Evaluation of its antibacterial, anticancer and catalytic degradation efficacy	59
Fluorometric detection of β-carotene with novel green synthesis carbon quantum dot from Asphodelus	56
RETRACTED ARTICLE: Copper complex immobilized on Fe3O4 nanoparticles: a novel and recoverable heterogenous catalyst for synthesis of heterocycles	47
A facile and efficient one-pot procedure for the synthesis of 2-amino-4,8-dihydropyrano[3,2-b]pyran-3-carbonitriles in PEG-400 and glycerol	44
Surface-modified SiO2 loaded with copper for the catalytic oxidation of tetralin	44
Non-precious transition metal-based OER catalysts for PEM water electrolysis: a mini review	44
RSM optimization of biodiesel production by a novel composite of Fe(ΙΙΙ)-based MOF and phosphomolybdic acid	41
Aqueous micellar catalysis for the efficient synthesis of chromeno-pyrazolo[1,2-b]phthalazines and indazolo[1,2-b]phthalazines, their plausible therapeutic implications and DFT investigations	41
Direct catalyst-free synthesis of substituted imidazolidinone-rhodanine hybrids via functional group migration	40
Post‐synthetic modification of IR-MOF‐3 as acidic-basic heterogeneous catalyst for one-pot synthesis of pyrimido[4,5-b]quinolones	39
The photocatalytic hydrogen production performance of porous titanium dioxide, a derivative of Mil-125 (Ti), improved by using lignin-based carbon quantum	38
Surface modification of FER zeolites by alumina nanoparticles and their potassium sulfate resistance performance for Methanol-SCR	37
Introduction of a tropine-based dication ionic liquid catalyst for the synthesis of polyhydroquinoline and 1,8-dioxodecahydroacridine derivatives	35
Ultrasound mediated one pot synthesis of bioactive thiazoles derivatives using xanthan gum supported ionic liquid as organocatalyst	34
[HDBU][HSO4]-catalyzed facile synthesis of new 1,2,3-triazole-tethered 2,3-dihydroquinazolin-4[1H]-one derivatives and their DPPH radical scavenging activity	33
Design of novel 2-amino-pyrans via a green and facile one-pot multicomponent protocol using RuO2/Al2O3 as reusable catalyst	33
Facile synthesis, antimicrobial screening and docking studies of pyrrole-triazole hybrids as potential antimicrobial agents	31
Selective hydrogenation of unsaturated aldehydes over Pd catalyst supported on N-doped porous carbon	31
A proficient catalytic reduction of nitroarenes and organic dyes using MOF-derived palladated nano-hydroxyapatite	30
Efficient Ce-doped MgO@Ag core–shell catalyst for green synthesis of xanthenes	29
A novel colorimetric chemosensor based on 2-[(carbamothioylhydrazono) methyl]phenyl 4-methylbenzenesulfonate (CHMPMBS) for the detection of Cu(II) in aqueous medium	29
Study on effect of O2/H2O/CO2 on CH4 and NOx removal with NTP	28

Enhancing catalytic performance, coke resistance, and stability with strontium-promoted Ni/WO3-ZrO2 catalysts for methane dry reforming	28
Regulating the redox sites of MMoOx (M = Mn, Fe, Cr) catalysts for highly efficient selective catalytic oxidation of NH3	28
Synthesis, characterization and mechanism of enhanced visible light photocatalytic activity of TiO2-WO3 nanocomposites	27
Efficient degradation of tetracycline in wastewater by novel biochar-based photocatalytic materials: performance, photocatalytic mechanism and degradation pathways	27
Synthesis and characterization of hydrazones and their transition metal complexes: antimicrobial, antituberculosis and antioxidant activity	27