OOIR: Observatory of International Research

Papers

(The H4-Index of Research on Chemical Intermediates is 28. 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 2022-08-01 to 2026-08-01.)

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	89
Direct catalyst-free synthesis of substituted imidazolidinone-rhodanine hybrids via functional group migration	71
Fluorometric detection of β-carotene with novel green synthesis carbon quantum dot from Asphodelus	65
Catalytic hydrogenation of 2,4-dinitrotoluene to 2,4-toluenediamine using isopropanol as hydrogen source	54
Bi2MoO6/g-C3N4 nanocomposites with improved charge separation for effective food dye degradation under visible light	50
Facile synthesis, antimicrobial screening and docking studies of pyrrole-triazole hybrids as potential antimicrobial agents	48
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	48
Enhanced activity for oxygen reduction reaction of π-π self-assembled Co2Pc2(EP)4/RGO catalysts	47
Surface modification of FER zeolites by alumina nanoparticles and their potassium sulfate resistance performance for Methanol-SCR	45
HZSM-5 synthesized from montmorillonite activated by different method as an efficient solid acid for steam reforming of dimethyl ether	45
Effects of charges of Eu3+-doped LDH laminates on drug loading capacity and drug release as well as its anticancer effects	43
Efficient degradation of tetracycline in wastewater by novel biochar-based photocatalytic materials: performance, photocatalytic mechanism and degradation pathways	40
RETRACTED ARTICLE: Copper complex immobilized on Fe3O4 nanoparticles: a novel and recoverable heterogenous catalyst for synthesis of heterocycles	40
Efficient Ce-doped MgO@Ag core–shell catalyst for green synthesis of xanthenes	39
Surface-modified SiO2 loaded with copper for the catalytic oxidation of tetralin	39
The photocatalytic hydrogen production performance of porous titanium dioxide, a derivative of Mil-125 (Ti), improved by using lignin-based carbon quantum	38
Study on effect of O2/H2O/CO2 on CH4 and NOx removal with NTP	37
Introduction of a tropine-based dication ionic liquid catalyst for the synthesis of polyhydroquinoline and 1,8-dioxodecahydroacridine derivatives	34
Synthesis, characterization and mechanism of enhanced visible light photocatalytic activity of TiO2-WO3 nanocomposites	32
A comparative study of the activity and stability of SO42−/MxOy (M = Zr, Sn, Ti) for dehydration of sorbitol and glucose	32
Regulating the redox sites of MMoOx (M = Mn, Fe, Cr) catalysts for highly efficient selective catalytic oxidation of NH3	32
Exploring various base-catalyzed approaches to the synthesis of β-aminophosphonates: a review	32
Ultrasound mediated one pot synthesis of bioactive thiazoles derivatives using xanthan gum supported ionic liquid as organocatalyst	32
Enhancing catalytic performance, coke resistance, and stability with strontium-promoted Ni/WO3-ZrO2 catalysts for methane dry reforming	31
Non-precious transition metal-based OER catalysts for PEM water electrolysis: a mini review	30

A proficient catalytic reduction of nitroarenes and organic dyes using MOF-derived palladated nano-hydroxyapatite	30
Rational design and synthesis of novel bis-azole hybrids: biological evaluation and computational insights	29
Montmorillonite functionalization strategies for selective cycloaddition of CO2 to epoxides	29
NiFe2O4 nanoparticles: an efficient nanocatalyst for ultrasound assisted synthesis of pyrano[4,3-b]pyran derivatives	28
Synthesis and characterization of hydrazones and their transition metal complexes: antimicrobial, antituberculosis and antioxidant activity	28