OOIR: Observatory of International Research

Papers

(The TQCC of Arkivoc is 2. 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 2020-05-01 to 2024-05-01.)

Article	Citations
Synthesis of (5,6 & 6,6)-oxa-oxa annulated sugars as glycosidase inhibitors from 2-formyl galactal using iodocyclization as a key step	33
Applications of pyrazolone in multicomponent reactions for the synthesis of dihydropyrano[2,3-c]pyrazoles and spiro-pyrano[2,3-c]pyrazoles in an aqueous medium	23
Hypervalent iodine chemistry and light: photochemical reactions involving hypervalent iodine chemistry	20
Synthesis and DTF studies of novel aminoimidazodipyridines using 2-(3H-imidazo[4,5-b]pyridin-2-yl)acetonitrile as an efficient key precursor	14
1,2,3- Triazoles: general and key synthetic strategies	13
Synthesis of various pyrazole-fused heterocyclic systems using pyrazole-4-carbaldehydes as versatile precursors	12
Recent advances in the synthesis of pyrroles via multicomponent reactions using arylglyoxals	10
Synthesis of chlorins and bacteriochlorins from cycloaddition reactions with porphyrins	9
Antiviral activity of thiadiazoles, oxadiazoles, triazoles and thiazoles	9
Recent applications of aminouracil in multicomponent reactions	9
Pyrazole-carboxaldehydes as versatile precursors for different pyrazole-substituted heterocyclic systems	9
Synthesis, anticancer activity and molecular docking studies of new 4-nitroimidazole derivatives	8
Hypervalent iodine (III) reagents and ammonia as useful combination for highly chemoselective N-transfer to low-valent organosulfur compounds and amines	8
Atropisomerism as inspiration for new chemistry	8
Organocatalytic asymmetric α-functionalizations of β-ketoesters with hypervalent iodine-based reagents and catalysts	7
Fluorinated alcohols: powerful promoters for ring-opening reactions of epoxides with carbon nucleophiles	7
Visible light-promoted Selectfluor-mediated quinone functionalization with unactivated Csp3-H components	6
Conformational control of bis-urea self-assembled supramolecular pH switchable low-molecular-weight hydrogelators	6
Ultrasound and Oxone® promoting regioselective selenofunctionalization of chromone	6
Sonogashira-Hagihara and Buchwald-Hartwig cross-coupling reactions with sydnone and sydnone imine derived catalysts	6
Hexahydropyrrolo-[2,3-b]-indole alkaloids of biological relevance: proposed biosynthesis and synthetic approaches	6
On the natural selection of high performance polymers	6
Oligoyne-bridged boron subphthalocyanine dimers – synthesis and redox properties	6
Mitsonobu reaction of cannabidiol. Synthesis of water-soluble cannabidiol derivatives	5
Thio-glycomimetics with enhanced lipophilicity and their biological activity	5

Synthesis and application of a fluorescent “turn-off” triazolyl-coumarin-based fluorescent chemosensor for the sensing of Fe3+ ions in aqueous solutions	5
Computational investigation of cyclic substituted iodine(III) halogen bond donors	5
Multivalency effects in neuraminidase inhibitor design for influenza virus	5
An eco-friendly approach for the synthesis of 1,2,5-trisubstituted and 4-amino-1,2,5-tetrasubstituted imidazoles via a multi-component condensation	5
Catalytic and non-catalytic selective aryl transfer from (mesityl)iodonium(III) salts to diarylsulfide compounds	5
The synthesis and anti-inflammatory evaluation of 1,2,3-triazole linked isoflavone benzodiazepine hybrids	5
Design, synthesis and characterization of novel gamma‑aminobutyric acid type A receptor ligands	5
Aminomethylpyridinequinones as new ligands for PEPPSI-type complexes	4
Nickel-catalyzed (hetero)aryl borylations: an update	4
Synthesis of arylbenziodoxoles using pseudocyclic benziodoxole triflate and arenes	4
Aminouracil and aminothiouracil as versatile precursors for a variety of heterocyclic systems	4
A novel approach for the synthesis of β-keto esters: one-pot reaction of carboxylic acids with chlorosulfonyl isocyanate	4
Hantzsch reaction with 6-aminouracil: Synthesis of novel tetrakis(6-aminouracil-5-yl)methanes and bis(decahydropyrido[2,3-d:6,5-d']dipyrimidine-tetraones) linked to aliphatic or aromatic cores via eth	4
A short review on synthetic strategies towards quinazoline based anticancer drugs	4
Nucleobase coupling by Mitsunobu reaction towards nucleoside analogs	4
Synthesis and synthetic applications of cyanoacetamides	4
Maculine: a furoquinoline alkaloid from the family Rutaceae: sources, syntheses and biological activities	4
Pseudo-four-component synthesis of 5-(4-hydroxy-2-oxo-1,2-dihydropyridin-3-yl)-substituted 5H-chromeno[2,3-b]pyridines and estimation of its affinity to sirtuin 2	4
Synthetic strategies in curcumin chemistry focused on anticancer applications	4
Halogen-bonding in 3-nitrobenzaldehyde-derived dichlorodiazadienes	4
CO2-activated NaClO-5H2O enabled smooth oxygen transfer to iodoarene: a highly practical synthesis of iodosylarene	3
First total synthesis of artekeiskeanol B and D	3
An expedient synthesis of novel bis[thienopyridines] linked to arene or heteroarene core as novel hybrid molecules	3
Recent advances in the synthesis of taxoids: 2015-2020	3
Synthesis of indolo[2,3-a]carbazole via an intramolecular McMurry coupling	3
Olefination with sulfonyl halides and esters – sulfur-based variant of the Horner-Wadsworth-Emmons reaction	3
Platinic metal porphyrins and hybrid nanomaterials embedding them as catalysts in chemical transformations	3
L-Ascorbic acid as an efficient organocatalyst for the synthesis of dispiro[tetrahydroquinoline-bis(1,3-dioxane-4,6-dione)] derivatives	3
Synthesis of the C18-C27 fragment of georatusin	3
Stereoselective total synthesis of dodoneine	3
Synthesis of novel 1,2,3-triazole-based hybrids via click reactions	3
Introduction to hypervalent iodine chemistry. Part 3	3
Synthesis of 2-fluorobenzoic acids by nucleophilic fluorination of 1-arylbenziodoxolones	3
Synthesis and strain-release reactions of 1-azabicyclo[1.1.0]butanes: an update	3
Continuous flow synthesis of pharmaceuticals in Africa	3
Metal free approach for one-pot synthesis of 3-aryl-furo[3,2-c]coumarins	3
Synthesis, photophysical and redox properties of the 2,5,7-tri(het)aryl-[1,2,4]triazolo[1,5-a]pyrimidines	3
Hypervalent iodine (V) catalyzed reactions	3
Transition-metal-free visible light-promoted photoredox oxidative dehydrogenative cyclization: expeditious approach to 1,2,4-thiadiazoles	3
Synthesis of γ,δ-unsaturated amino acids by Claisen rearrangement - last 25 years	3
Organoselenium compounds as antioxidants	3
A concise review on the stereoselective synthesis of chiral α-bisamides using stereoselective Ugi-type reaction	3
1,3,4-Thiadiazol-2-ylphenyl-1,2,4,5-tetrazines: efficient synthesis via Pinner reaction and their luminescent properties	3
Synthesis of thiazolyl-based hydroxamic acids as histone deacetylase inhibitors	3
Hypervalent iodine-mediated synthesis and late-stage functionalization of heterocycles	3
Recent syntheses of steroidal oxazoles, oxazolines and oxazolidines	3
ipso-Bromination of tert-butylcalix[4]arenes	3
Orthoesters in heterocycle synthesis	3
Synthesis, neurotropic activity and SAR of new S-alkyl derivatives of 8- pyrazol-1-yl pyrano[3,4-c]pyridines	3
Zinc-catalyzed regioselective addition of alkyl thiols to alkenes via anion or radical reactions	3

A simple and efficient preparation of bis(indolyl)methanes catalyzed by HCl/silica gel under solvent-free conditions	3
Studies on the influence of saccharide fragment of urea organocatalysts on the yield and enantioselectivity of aza-Henry reaction	3
Pseudo-five-component synthesis of indolone-3-aminopropenylidene merocyanine dimers and their attenuated aggregation-induced emission	3
Efficient synthesis of 2-substituted 1-phenylchromen[3,4-d]imidazol-4(1H)-ones with possible anti-inflammatory activity	3
Asymmetric organic synthesis with stoichiometric transition metal complexes	3
Synthesis and biological evaluation of chromone-3-carboxamides	2
Direct arylation of heteroaromatic compounds by Pd(OAc)2/tetrakis(N-benzimidazoliummethyl)benzene salt system	2
Asymmetric syntheses of potential anti-malarial drugs designed from Fieser's 2-hydroxy-3-(2-methyloctyl)naphthalene-1,4-dione	2
One-pot highly diastereoselective five-component synthesis of polysubstituted 2-hydroxy-2-trifluoromethylpiperidines with four and five stereogenic centers	2
1,3,5-Triazine as core for the preparation of dendrons	2
β-Pinene and camphor based, pyrazole-tethered triarylphosphines as chiral P,N ligands for palladium	2
Synthesis of new derivatives of the 1H-1,2,3-triazole ring using 1-aryl-5-phenyl-1H-1,2,3-triazole-4-carbohydrazides as precursors	2
Mixed matrix membranes derived from a spirobifluorene polymer of intrinsic microporosity and polyphenylene networks for the separation of toluene from dimethyl sulfoxide	2
Improved preparation of an olefin metathesis catalyst bearing quaternary ammonium tag (FixCat) and its use in ethenolysis and macrocyclization reactions after immobilization on metal-organic framework	2
Bioinspired stereoselective synthesis of chiral 2,5-diaryl-3,4-dimethyltetrahydrofurans from unprotected 1,4-diarylbutane-1,4-diols	2
Advances in nitroarene reductive amidations	2
Synthesis of terminal alkynes based on (1S,3R,4R)- and (1S,3S,4R)-2-azabicyclo[2.2.1]heptane	2
Multicomponent synthesis of 1,4-dihydropyridine-3,5-dicarbonitriles	2
Computational insights into substituent effects on the stability and reactivity of flavylium cation analogs of anthocyanins	2
Synthesis and trypanocidal activity of substituted 2,4-diarylquinoline derivatives	2
A new synthetic approach to oxindoles (1,3-dihydro-2H-indol-2-ones) by reductive dephosphorylation with hydroiodic acid of 3-(diethylphosphoryloxy)- oxindoles, derived from isatins (1H-Indole-2,3-dion	2
Synthesis and cytotoxic activity of 3-[2-(1H-indol-3-yl)-1,3-thiazol-4-yl]-1H-pyrrolo[3,2-c]pyridine hydrobromides, analogues of the marine alkaloid nortopsentin	2
A cascade reaction of imidazo[1,2-a]pyridines with maleic anhydride: formation of cross-conjugated mesomeric betaines	2
Iodine-based reagents in photoredox-organocatalysis	2
Pyrethroid insecticides. Chapter I. Synthesis, structure, biochemistry and biosynthesis of pyrethroids	2
Synthetic strategies for the functionalization of upper or lower rim of supramolecular calix[4]arene platform	2
Binding pose analysis of hydroxyethylamine based β-secretase inhibitors and application thereof to the design and synthesis of novel indeno[1,2-b]indole based inhibitors	2
Transition metal-guanidine complexes as catalysts in organic reactions. Recent developments	2
Cyclization of enaminones derived from N-phenacylpyrrolidin-2-ones to pyrrolizines under acidic conditions	2
Synthesis of 8-aminoquinoline chelating moieties for chemosensor molecules	2
“Copper catalyzed azide alkyne cycloaddition” based synthesis and applications of oligo-1, 2, 3-triazoles connected by suitable building blocks and “N-(CH)n-C” linked triazole oligomers	2
Identifying bioactivity of pseudo-natural products using the Cell Painting assay	2
One-pot, regioselective synthesis of functionalized indole derivatives: a three-component domino reaction of arylamine, arylglyoxal, and 4-hydroxycoumarin or 4-hydroxy-6-methyl-2-pyrone	2
Synthesis and evaluation of benzochalcogenazole-benzimidazole derivatives as potential DNA-binding radioprotectors	2
Synthesis of novel bisphosphorylimides based on Staudinger reaction	2
1H-isochromene-1-ones and isoquinoline-1(2H)-ones with carbonyl group in position 3: Features of synthetic approaches and transformation	2
(Diacetoxyiodo)benzene mediated metal-free C(sp2)-H phenylselenation of imidazo[1,2-a]pyridines and imidazo[2,1-b]thiazoles using diphenyl diselenide	2
Malic acid as an effective and valuable bioorganocatalyst for one-pot, three-component synthesis of pyrrolidinone derivatives	2
An ultrasound assisted synthesis of spirooxindolo-1,2,4-oxadiazoles via [3+2] cycloaddition reaction and their anti-cancer activity	2
New efficient synthesis of bis-1,2,4-oxadiazole derivatives via subsequent Staudinger/aza-Wittig reaction	2
Microwave-assisted oxidation reaction of primary alcohols with sensitive functional groups to aldehydes using ruthenium diphosphorus complexes	2
Synthesis of methoxychalcone derivatives with isobornyl substituents	2
Synthesis of oxazolidinones from N-aryl-carbamate and epichlorohydrin under mild conditions	2
3-Pyrazolines (2,3-dihydro-1H-pyrazoles): synthesis, reactivity, and physical and biological properties	2
Use of oxygenated 1,3-dipoles for the synthesis of nitrogen containing heterocycles	2
Synthesis of (1,4-benzoxazinones-3-yl)malonate derivatives via cross-dehydrogenative-coupling reactions under ball-milling conditions	2
PhIO-Mediated oxidative dethioacetalization/dethioketalization under water-free conditions	2
The reactivity of Oxone towards 4,6-di(cycloamino)-1,3-phenylenediamines: synthesis of spirocyclic oxetane ring-fused imidazobenzimidazoles	2
Pyrimidine-2,4-diamines as antiplasmodial antifolates	2
ED-ROP of macrocyclic oligomers: A synthetic tool for multicomponent polymer materials	2
Auxiliary-controlled diastereoselective synthesis of a syn C-6-epimer of the ADAM 10 inhibitor GI254023X	2
Recent advances and prospects in palladium-catalyzed Hiyama coupling reaction	2
Synthesis and biochemical evaluation of 5-(pyridin-4-yl)-3-(alkylsulfanyl)-4H-1,2,4-triazol-4-amine-based inhibitors of tyrosinase from Agaricus bisporus	2
The Hemetsberger reaction: A new approach to the synthesis of novel dihydroindoloindole systems	2
One-pot synthesis of functionalized pyrazolo[3,4-c]pyrazoles by reaction of 2-cyano-N-methyl-acrylamide, aryl aldehyde, and hydrazine hydrate	2
Organo-silanes in the synthesis of saturated heterocycles	2
Towards α,α-disubstituted amino acids containing vicinal stereocenters via stereoselective transition-metal catalyzed allylation	2
Synthesis and biological activity of potential antiviral compounds through 1,3-dipolar cycloadditions; Part 1: general aspects and reactions of azides	2
Mandelic acid catalyzed one-pot pseudo three-component synthesis of various trisubstituted methane derivatives at room temperature	2
An overview on the role of cyclodextrins in the synthesis of silver nanoparticles by chemical reduction	2
Synthesis of 4-oxatricyclo[5.2.1.02,6]dec-8-ene-3,5-dione derivatives as lead scaffolds for neuroprotective agents	2
Gold-catalyzed reactions using N-propargyl β-enaminones	2
Electrochemically induced tandem Knoevenagel-Michael assembling of aldehydes with kojic acid: direct and efficient arylbis[3-hydroxy-6-(hydroxymethyl)-4-oxo-4H-pyran-2-yl]methanes formation	2
One pot-like regiospecific access to 1-aryl-1H-pyrazol-3(2H)-one derivatives and evaluation of the anticancer activity	2
Star-shaped oligofluorene truxene macromolecules – synthesis and properties as a function of alkyl chain length	2