OOIR: Observatory of International Research

Papers

(The TQCC of Heterocycles is 1. 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 2022-05-01 to 2026-05-01.)

Article	Citations
Contents	10
Contents	6
N-Alkylation of Azoles with Enones Assisted by P(III) or Fe2O3-Nanoparticles as Recyclable Catalyst	5
A Series of Novel Coumarin Derivatives: Design, Synthesis and Evaluation of Anti-Tumor Activity	5
3-[2-Oxo-2H-chromen-3(6)(8)-yl]-1-aryl/heteroaryl-1H-pyrazole-4-carbaldehydes: Synthesis, Reactions and Applications	5
Direct Arylation of Benzothiophene and Benzofuran Catalyzed by a Dinuclear Palladium Complex	5
Syntheses of Two New Fluorous Crown Ethers Carrying Sugar Molecules with a Multivalent Bfp Modification: Investigations of Their Partition Ratios in Fluorous Biphasic Systems and Recyclability During	4
Synthesis and Antitumor Activity of Heterocylic Aurone and Its Analogue Indanone Derivatives	4
Strategy for the Synthesis of C-Aryl Glucosides as Sodium Glucose Cotransporter 2 Inhibitors	4
Contents	3
Design, Synthesis and Biological Evaluation of Pyrimidinamine Derivatives Containing Urea Moiety	3
Triazene-Bridged Nitrogen-Rich Heterocyclic Energetic Compounds 4,4'-(Triaz-1-ene-1,3-diyl)bis(1,2,5-oxadiazol-3-amine) - Synthesis, Characterization and Properties	3
A Review on the Biological Activity of β-Carboline Derivatives	3
A Convenient Synthesis of 1,2,4-Triazino[2,3-b]indazol-3-amine Derivatives via Tandem Abnormal Staudinger/Aza-Wittig/Isomerization Reaction	3
Concise Synthesis of (±)-Cephalotaxine	3
Synthesis and Fungicidal Activities of 5-Aryl-1,3,4-oxadiazolyl 2-Thioether Derivatives Containing Strobilurin Motif	3
A Review on Indole[2,3-a]quinolizidine: The Synthetic Approaches to the Development of Bioactive Indolo[2,3-a]quinolizidine Scaffolds	2
Synthesis, Characterization, Molecular Docking Studies and Antimicrobial Activity of Azomethine Derivatives of 1,3-Substituted Pyrazoles	2
Selective Synthesis of 2,2-Diamino-4,4,6,6-tetrakis(aryloxy)cyclotriphosphazenes N3P3-2,2-(NH2)2-4,4,6,6-(ArO)4	2
Synthesis of 2-Anilino-2,4,4,6,6-pentachlorocyclotriphosphazenes (N3P3Cl5(NAr(R)))	2
Acid, Metal and Peroxide-Free Synthesis of 2,4,5-Trisubstituted Imidazoles Commencing from Internal Alkenes Using an Iodine/DMSO System	2
Large-Scale Synthesis of the Key Intermediates of Tetrahydropyran Derivatives under Flow Conditions	2
Design, Synthesis and Evaluation of Catechol-Based Amyloid Beta Aggregation Inhibitors	2
Heterocycles Award	2
Synthesis of Hepta-arbutin-branched β-Cyclodextrins at Their Primary Sides via Click Reaction	2

Mini Review on Pyrido[2,3-c]coumarins Backbone of Santiagonamine Antibiotics	1
Contents	1
New Reactions of Indoline-2-thiones and Aryl Aldehydes: Microwave-Induced One Step Synthesis of Structurally Diverse Thiopyrano-Diindoles	1
Contents	1
Diterpenoid Alkaloids from Aconitum elliotii Lauener	1
Efficient One-Pot, Three-Step Synthesis of 1,2,3,5-Tetrasubstituted Pyrroles via Aza-Michael Addition of Methyl 3-Iminoacrylates	1
Heterocycles Award	1
Diterpenoid Alkaloids from Delphinium pachycentrum Hemsl.	1
Design, Synthesis, and Biological Evaluation of 4H-Pyrido[1,2-a]pyrimidin-4-one Derivatives as Anticancer Agents via ROR1 Inhibition	1
An Efficient Route for the Synthesis of 2-Arylbenzothiazoles in an Ionic Liquid, Using Ultrasound Irradiation	1
Stereospecific Skeletal Rearrangement of Epoxides Derived from Methylenecyclobutane-Fused N-Heterocycles	1
Synthesis, Antioxidant Activity and Molecular Docking of Some New Thiazolyl-Pyrazolinyl-Pyran-2-One Derivatives	1
Diversity-Oriented, One Step Synthesis of Chromeno[2,3-b]Indoles and Thiochromeno[2,3-b]Indoles under Microwave-Assisted Conditions	1
Fischer Glycosidation Using Organotitanium Catalyst ORGATIX	1
Functionalization of Phenothiazine Derivatives by Ammonium Bridge	1
Diterpene Glycosides Derived from Aster spathulifolius Have Immunomodulatory Effects	1
Transnitrosation of Alicyclic N-Nitrosamines Containing Sulfur Atoms in Five- or Six-Membered Rings	1
Heterocycles Award	1
A Convenient One-Pot Synthesis of Novel 1,4-Dihydro-1,2-Benzoxaphosphinino[4,3-C]Pyrazoles	1
Contents	1
L-Malic Acid as Chiral Auxiliary and Building Block in the Asymmetric Synthesis of (S)-(−)-Crispine A	1
Diastereoselective Synthesis of 2,8-Dioxabicyclo[3.3.1]Nonane Derivatives via I2-Mediated Cascade Reactions	1
Contents	1
New C19-Diterpeniod Alkaloids from Aconitum novoluridum	1
(7S)-Macaureas A and B, Two Urea Analogues from the Roots of Lepidium meyenii	1