Organic Preparations and Procedures International

Papers
(The TQCC of Organic Preparations and Procedures International is 3. 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.)
ArticleCitations
H 6 P 2 W 18 O 62 ·18H 2 29
Synthesis and Antiproliferative Evaluation of Novel 5-Substituted Pyridazin-4-Amine Derivatives26
Synthesis of 2,3-Dihydroquinazolinones via Condensation of 2-Aminobenzamides with Aldehydes under Ball Milling Conditions20
Copper (II)-immobilized on Starch-coated Nanomagnetite as an Efficient and Magnetically Recoverable Catalyst for the Synthesis of Propargylamines through One-pot A3 Coupling Reaction20
Current Advances in Transition Metal-Free Access to Indoles. A Review18
Facile Synthesis of Spirocyclic Oxindole Scaffolds via Intermolecular [4 + 1] Cycloaddition of ortho -Quinone Methides with 3-Chlorooxindoles14
An Improved and Practical Synthesis of Vonoprazan12
Microwave-Assisted Iodotrimethylsilane-Promoted Synthesis of Novel Pyrazolyl Chalcones11
Catalytic Evaluation of Surface Engineered Activated Carbon with SnO 2 Nanoparticles for Synthesis of Dihydropyrimidinones at Room Temperature11
An Improved Method for Alcoholysis of Amides and Acid Hydrazides by Secondary Alcohols in the Presence of Triflic Acid10
Design, Synthesis, and Insecticidal Activity of Novel Fipronil Derivatives Incorporating a Sulfide Unit10
Rapid Synthesis of 3-Hydroxyflavones from 2’-Hydroxyacetophenones and Benzaldehydes9
New Approach for the Synthesis and Purification of Spiro[fluorene-9,5’-[1,3]-dioxan]-2’-one9
Design and One-pot Synthesis of Novel Carbazole-based Thiazolone Imines8
Eco-Friendly and Efficient Greener Process for the Synthesis of Chalcones and Pyrazolones Using the Supramolecular Catalyst β-Cyclodextrin8
Development of an Efficient Alternative Synthesis of the Endothelin Receptor Antagonist Bosentan8
New Coumarin Derivatives as Cytotoxic Agents: Synthesis, in silico DNA-Binding Studies and MTT Assays in the MCF-7 Cell Line7
An Organocatalytic Biogenic Approach for the Synthesis of Coumarins Using the Pechmann Condensation Reaction7
Magnetic Nanoparticle Supported Lewis Acidic Deep Eutectic Solvent (LADES@MNP) for the One-pot Synthesis of 14-Aryl-14- H -dibenzo[a,j]xanthenes7
An Efficient and Practical Synthesis of Oseltamivir Phosphate6
Efficient Synthesis of trans-3-Amino-1-methylcyclobutan-1-ol6
Reinvestigating the Preparation of Glyoxime and Its Chlorination by a Slight Overpressure of Chlorine Gas to Prepare Dichloroglyoxime6
An Original Transposition of the 4-Fluorobenzylamino Group from 1-(4-Fluorobenzylamino)-1-methylsulfanyl-2-nitroethylene in Triflic Acid†6
Manganese (II) Chloride Tetrahydrate as an Efficient Catalyst for the Preparation of 5-Aryl-1 H -tetrazoles via [3 + 2] Cycloaddition of S5
Recent Advances in 2-Aminobenzothiazole Chemistry: Catalysis in the Preparation of 1-(Benzothiazolylamino)methyl-2-naphthols. A Brief Review5
Synthesis of 5-Methoxy-2-acetyl-1-naphthol5
Preparation of 2,3-Diarylthiazolidin-4-one Derivatives Using Barium Sulfate Nano-Powders5
Ultrasonic Assisted Mono-iodination of Activated Aromatics Using Iodine and Iodic Acid5
Synthesis of Novel Substituted Guanidines and Pyrimidines Using Pyridinium and Methanaminium Salts in Water as a Green Solvent5
A Novel and Rapid Method to Prepare Aminothiazoles5
Melamine, a Recyclable Catalyst for the Synthesis of Dihydropyrano[2,3-c]pyrazoles in Aqueous Ethanol5
Synthesis of Novel 1,4-Disubstituted Piperazines and Evaluation of Their Antibacterial Activities5
Synthesis of Tetrahydrobenzo[b]pyrans Promoted by Sodium Stearate as a Lewis Base-Surfactant Combined Catalyst in an Aqueous Micellar Medium5
A Rapid and Environmentally Benign Access to Hantzsch’s Polyhydroquinolines5
Preparation of Thiazolidin-4-ones Using NiFe2O4@SiO2 Grafted Propylsulfonic Acid as an Efficient Catalyst5
Highly Stereoselective and Scalable Synthesis of Eldecalcitol4
An Improved Procedure for the Synthesis of Amantadine Hydrochloride4
Preparation and Biological Activities of Novel Tetra-arylidene Barbituric Acids Containing Ether Spacers4
A Novel Green Approach to the Synthesis of bis-4-Hydroxycoumarins4
Carboxymethyl Cellulose (CMC) as a Recyclable and Biodegradable Catalyst: A Greener Solvent-free Preparation of Pyrano[2,3- d ]pyrimidines4
Contemporary Developments in the Transition-Metal Catalyzed Synthesis of Indoles. A Review4
Oxidative Cleavage of C=N Bond of Ketoximes with Singlet Molecular Oxygen Generated from trans- 5-Hydroperoxy-3,5-dimethyl-1,2-dioxolane-3-yl Ethaneperoxoate4
Synthesis of Dihydropyrano[2,3- c ]pyrazoles with Trifluoroethanol as a Reusable Promoting Medium: A Green Protocol4
Recent Synthetic Applications of Hypervalent Iodine Reagents. A Review in Three Installments: Installment I3
Selective One-pot Synthesis of 2-Aryl-1-arylmethyl-1H-1,3-benzimidazoles in the Presence of Ammonium Persulfate and Their Antioxidant Activity3
Greener Synthesis of Novel Azo-linked 1,2,4-Triazolidine-3-ones (thiones) Using Recyclable Fe 3 O 4 @SP@vanillin@thioglycolic Acid3
Fluorophosphoric Acid Promoted Formation of Imines of Sulfonamides and Dihydropyridines at Room Temperature3
A Recyclable Halide Perovskite Photocatalyst as a Single-electron Redox Mediator: Radical-initiated Gram-scale Photosynthesis of Pyrano[2,3 -d ]pyrimidines Induced by Vi3
A Practical Green Synthesis of ( R )-5,7-difluorochroman-4-ol, a Key Intermediate of Tegoprazan3
CAN Combined with NaI as Promoter System for the Synthesis of Novel Ethyl 1,2-Diarylpyrrolidine-3-carboxylate Derivatives via Three-Component Reaction3
An Efficient Synthesis Process for 3,4-Dichloronitrobenzene Using the Solid Acid Catalyst SZT-0.153
One Pot Synthesis of Deterenol, a Sympathomimetic Ingredient of the Dietary Supplement Dexaprine3
The Synthesis of gem-Bisamides Using a Carbocationic Catalytic System in Neutral Media3
Functionalized Pyrimidines: Synthetic Approaches and Biological Activities. A Review3
Synthesis of Novel 1,2,4-Triazole Derivatives of N-Benzyl-5-nitroisatin: Anticancer Activity, Anti-oxidant Activity, and Molecular Design3
SbPh 3 : An Efficient Catalyst for Dihydropyrimidinone and Dihydropyrimidin-5-carboxamide Synthesis Using the Biginelli Reaction3
Synthesis of “Tablets Impurity” and “Impurity B” of Vigabatrin, an Antiepileptic Drug3
Comparison of the Accelerating Effects of Two Ionic Liquids in the Oxidation of Alcohols3
Application of Fe3O4@SiO2-Propyl@dapsone-copper Complex Nanoparticles as a Magnetically Recoverable Catalyst for the Synthesis of Azo-linked andbis-Benzo[d]imid3
Ammonium Acetate as an Efficient and Greener Catalyst for the Synthesis of 1 H -Pyrazolo[1,2- b ]phthalazine-5,10-diones in an Aqueous Med3
Facile Preparation of 3,6-Dimethoxy-2-nitrobenzaldehyde3
New and Convergent Synthesis of Deucravacitinib3
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