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Synthesis of 2-arylquinazolines by Chan–Evans–Lam coupling of 2-formylphenylboronic acids with amidines
A method for the synthesis of 2-arylquinazolines is described which involves Chan–Evans–Lam coupling of 2-formylphenylboronic acids with amidines....
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Recent progress in the application of amidines for the synthesis of N-heterocyclic compounds
Nitrogen-containing heterocycles are an inseparable part of many biologically active compounds. Therefore, the synthesis of these structures is of...
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Development of Approaches for Obtaining Fluorine-Containing Derivatives of Boronated Amidines Based on the closo-Dodecaborate Anion
AbstractThe reactivity of model amidines with general structure (NBu 4 )[B 12 H 11 NHC(CH 3 )HNCH(CH 2 OTos) 2 ] under nucleophilic fluorination conditions has...
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Harnessing Heterocycles: Fine-Tuning Furan-Pyridine Amidines for Precision Anticancer Therapy
AbstractTwo new dichlorophenylfurylnicotinamidine regioisomers and were prepared from the corresponding dichlorophenylfurylnicotinonitriles when...
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The reaction of 4-hydroxy-6H-1,3-oxazin-6-ones with amidines – a route to access new 1,3,5-triazine derivatives
The reaction of 2-aryl-5-methyl-4-hydroxy-6 H -1,3-oxazin-6-ones with 1,3-binucleophilic reagents acetamidine and benzamidine was studied. It was...
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The design and Synthesis of 5-(morpholin-4-yl)-N'-sulfonyl-1,2,3-thiadiazole-4-amidines
A strategy was proposed for the synthesis of 5-(morpholin-4-yl)- N '-sulfonyl-1,2,3-thiadiazole-4-imidamides, as well as previously unknown...
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One-pot multicomponent synthesis of N-sulfonyl amidines using magnetic separable nanoparticles-decorated N-heterocyclic carbene complex with copper
Magnetic separable nanoparticles-decorated N -heterocyclic carbene complex with copper (MNP[1-Methyl benzimidazole]NHC@Cu) has been prepared by...
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Catalyst-free multicomponent polymerization of sulfonyl azide, aldehyde and cyclic amino acids toward zwitterionic and amphiphilic poly(N-sulfonyl amidine) as nanocatalyst precursor
Polymers with metal coordination ability are outstanding precursors of nanocatalysts, attracting numerous attention in nanocatalysis area. It has...
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Hydrogen Bound Self-Associates of N-(6-Bromocyclohex-3-en-1-yl)- and N-(7-Bromobicyclo[2.2.1]hept-2-yl)-N′-(triflyl)ethanimidamide
AbstractThe supramolecular structure of N -(6-bromocyclohex-3-en-1-yl)- and N -(7-bromobicyclo[2.2.1]hept-2-yl)- N ′-(triflyl)ethanimidamide has been...
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Immobilization of copper(II) on mesoporous MCM-41: a highly efficient and recyclable catalyst for tandem oxidative annulation of amidines and methylarenes
A new 3-(2-aminoethylamino)propyl-functionalized MCM-41-immobilized copper(II) complex [MCM-41-2N-Cu(OAc) 2 ] was easily prepared from commercially...
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Nucleophilic Addition of Aliphatic Diamines NH2(CH2)nNH2 (n = 6, 9) to Nitrilium Derivatives of the closo-Decaborate Anion [2-B10H9NCR]– (R = CH3, C2H5, nC3H7)
AbstractThe reaction of a number of nitrilium derivatives of the closo -decaborate anion with hexamethylene- and nonamethylenediamine has been...
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Reaction of 1,5-Bis(polyfluoroalkyl)-1,3,5-triketones with Amidines
Previously unknown 4-(polyfluoroacylmethyl)-substituted pyrimidines were synthesized by reaction of 1,5-bis(polyfluoroalkyl)-1,3,5-triketones with...
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Supramolecular structure and tautomerism of trifluoromethanesulfonamidines
DFT calculations were performed for a series of N -triflyl substituted amidines, their dimers, and hydrogen-bonded complexes with...
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Supramolecular structure and isomeric transformations of N-t-butyl-N′-trifluoromethanesulfonacetamidine
X-ray molecular and supramolecular structure were analyzed for N - t -Bu- N ′-(triflyl)acetamidine t -BuNHC(Me) = NTf 1 and compared to that of...
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Synthesis and Reactivity of Zirconaaziridines
η2-Imine complexes of zirconium, or zirconaaziridines, have attracted attention as amino carbanion equivalents. They can be prepared from an amine...
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Oxidative Triflamidation of Allyl Cyanide in Nitrile Solutions
AbstractThe reaction of triflamide with allyl cyanide in benzonitrile and isobutyronitrile solutions in the presence of NBS has been studied. In both...
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Synthesis of Alkaloid Sinomenine Derivatives Containing a Pyrimidine Substituent in Ring A
The alkaloid 4- O -methylsinomenine was modified by introducing pyrimidine substituents at the C-1 position of the backbone. Two methods were used to...
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Synthesis, Characterization and In Vitro Acaricidal Activity of New [1,2,4]Triazolo[4,3-b][1,2,4,6]thiatriazine 1,1-Dioxides against the Cattle Tick Hyalomma Scupense
AbstractA new series of [1,2,4]triazolo[4,3- b ][1,2,4,6]thiatriazine-1,1-dioxides were synthesized, characterized, and evaluated for their...
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Iodine-mediated aminohalogenation-oxidation to synthesize 2-fluoroalkyl imidazole derivatives
A simple and efficient method of iodine-mediated aminohalogenation-oxidation of fluorinated N’ -propargyl amidines to synthesize 2-fluoroalkyl...
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Transition-Metal Catalyzed Synthesis of Pyrimidines: Recent Advances, Mechanism, Scope and Future Perspectives
Pyrimidine is a pharmacologically important moiety that exhibits diverse biological activities. This review reflects the growing significance of...
