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Organocatalysis in 1,3-Dipolar Cycloaddition Reactions (A Review)
AbstractOne of the promising directions in 1,3-dipolar cycloaddition is the implementation of these reactions under organocatalysis conditions, which...
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How do the carbon and nitrogen sources affect the synthesis of β-(1,3/1,6)-glucan, its structure and the susceptibility of Candida utilis yeast cells to immunolabelling with β-(1,3)-glucan monoclonal antibodies?
BackgroundThe need to limit antibiotic therapy due to the spreading resistance of pathogenic microorganisms to these medicinal substances stimulates...
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Ni-catalysed assembly of axially chiral alkenes from alkynyl tetracoordinate borons via 1,3-metallate shift
Asymmetric synthesis based on a metallate shift of tetracoordinate borons is an intriguing and challenging topic. Despite the construction of central...
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Selective determination of formaldehyde by high-performance liquid chromatography with porous graphitic carbon column using N,N′-bis(9-anthrylmethyl)propane-1,3-diamine as derivatizing reagent
Aromatic compounds containing two secondary amino groups were designed and prepared as new derivatizing reagents for aldehydes. One of them, N,N′ -bis(...
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Binuclear Vanadium(V) Complex with the Ligand Based on Isonicotinic Acid Hydrazide and 1-Phenyl-1,3-Butanedione: Synthesis and Crystal Structure
AbstractA new molecular binuclear vanadium(V) complex [VO(L)(OCH 3 )] 2 ( I ) is synthesized in which ligand H 2 L is prepared by the reaction of...
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Simple and Facile Synthesis of 2-(Arylamino)-1,3-benzothiazoles Using Iodine–Alumina (I2-Al2O3) as Heterogenous Catalyst and Their Antimicrobial Activity
AbstractThe synthesis of 2-anilino-1,3-benzothiazoles was achieved by reacting N , N ′-diarylthioureas with iodine–alumina under solvent-free...
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Synthesis of 1,3-Bis(3-R-adamantan-1-yl)acetones
AbstractMethods have been developed for the synthesis of symmetrical 1,3-bis(3-R-adamantan-1-yl)acetones [R = OH, aryl, heteroaryl, R′C(O)NH, NH 2 C(S)...
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2-Substituted Allyl Bromides as Electrophilic and Nucleophilic Building Blocks for 1,3-Dicarbonyl Compounds and Their Use in the Synthesis of Heterocycles
AbstractAn efficient procedure has been developed for the synthesis of new heterocyclic compounds from 2-substituted functionalized allyl bromides as...
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Cyclopropenes and methylenecyclopropanes in 1,3-dipolar cycloaddition reactions
The review considers the main results of the cycloaddition reactions involving cyclopropenes and methylenecyclopropanes, the compounds bearing...
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Mannich Reaction Involving 6-Amino-4-methyl-2-(thio)oxo-1,2-dihydropyridine-3,5-dicarbonitriles
AbstractThe reaction of (1-ethoxyethylidene)malononitrile with cyanoacetamide or cyanothioacetamide has yielded...
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Bridged 1,3(1,5)-benzoxazocines and 1,3,5-benzoxadiazocines as products of the Hantzsch and Biginelli reactions
The use of substituted salicylaldehyde, a dicarbonyl compound, and a nitrogen base as starting compounds in the Hantzsch and Biginelli reactions...
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NOVEL PALLADIUM(II) COMPLEXES OF PYRAZOLE-CONTAINING SCHIFF BASE LIGANDS: SYNTHESIS, STRUCTURAL CHARACTERIZATION, AND CYTOTOXICITY OF THE PALLADIUM(II) COMPLEXES OF 2-{1-[2-(1,3-DIMETHYL-4-NITRO-1H-PYRAZOL-5-YL) HYDRAZONO]ETHYL} PYRIDINE (APHP) AND ITS ANALOGUE 2-{1-[2-(1,3-DIMETHYL-4-NITRO- 1H-PYRAZOL-5-YL)HYDRAZONO]METHYL} PYRIDINE (PCHP)
AbstractTreatment of [Pd(PhCN) 2 Cl 2 ] with one equivalent of 2-{1-[2-(1,3-dimethyl-4-nitro-1H-pyrazol-5-yl)hydrazono]methyl} pyridine (PCHP) ( 3a ) or...
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Novel Triazole-, Oxadiazole-, and Pyrazole-Nicotinonitrile Hybrids: Synthesis, DFT Study, Molecular Docking, and Antimicrobial Activity
AbstractThe present study is devoted to functionalization of ethyl 2-{[3-cyano-6-(4-cyanophenyl)-4-(2,4-dichlorophenyl)pyridin-2-yl]oxy}acetate ( 1 )...
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Condensed azole-based organophosphorus heterocycles
This review summarizes for the first time the literature data on the methods of constructing with covalent bonds condensed systems based on...
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New diacetamides based on C-arylphosphorylated derivatives of 2,6-diaminopyridine and 1,3-diaminobenzene
The reactions of C-arylphosphorylated derivatives of 2,6-diaminopyridine and 1,3-diaminobenzene with acetic anhydride afforded new acylated products....
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Synthesis and Antimicrobial Activity of 2-[5-(R-Benzyl)-4-oxo-1,3-thiazolidin-2-ylidene]-3-oxobutanenitrile and [2-(1-Cyano-2-oxopropylidene)-4-oxo-1,3-thiazolidin-5-ylidene]acetic Acid Derivatives
AbstractThe reactions of 2-cyano-3-oxobutanethioamide with ethyl 3-aryl-2-bromopropanoates and dialkyl acetylenedicarboxylates afforded a...
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Regulating photosalient behavior in dynamic metal-organic crystals
Dynamic photoactuating crystals have become a sensation due to their potential applications in develo** smart medical devices, molecular machines,...
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S-Heterocycle Synthesis
The heterocyclic moieties are fundamental part of widespread diversity of biologically active natural products and synthetic compounds. The... -
A new approach to pyrimidine-type heterocycles based on Petrenko–Kritschenko synthesis
A new series of tetrahydropyrimidines were prepared by employing the Petrenko–Kritschenko reaction between 2-nitrobenzaldehyde and 1,3-dicarbonyl...
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Design, synthesis and biological evaluation of some novel N'-(1,3-benzothiazol-2-yl)-arylamide derivatives as antibacterial agents
In the present work, we carried out hydroxybenzotriazole (HOBT) and 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride (EDCl)-mediated...