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Design, Synthesis, and Characterization of Novel Substituted Dihydrooxazoles: Biological Evaluation and Molecular Docking
AbstractA novel series of 2-[(2-R-4-fluoro-3-(methylsulfanyl)phenyl]-4,5-dihydro-1,3-oxazoles were designed, synthesized, and evaluated for...
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Bifunctional sulfilimines enable synthesis of multiple N-heterocycles from alkenes
Intramolecular cyclization of nitrogen-containing molecules onto pendant alkenes is an efficient strategy for the construction of N-heterocycles,...
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Synthesis of alkenyl- and alkynyloxazoles and –oxazolines using tosylmethyl isocyanide as a key building block (microreview)
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Correction to: Use of hypervalent iodine in the synthesis of isomeric dihydrooxazoles
The name of author "Giuseppe Ronamazzi" should read "Giuseppe Romanazzi".
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A three-component cycloaddition of alkyl trifluorodiazoethane for the synthesis of trifluoromethylated isoxazolines
An efficient [2+2+1] cycloaddition reaction of alkyl trifluorodiazoethane with nitrosoarenes and alkynes has been described. This reaction is...
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Use of Hypervalent Iodine in the Synthesis of Isomeric Dihydrooxazoles
A convenient synthesis of 2- and/or 3-oxazolines has been developed depending on the structure and stereochemistry of the starting amino alcohol....
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Reaction of 2-[Aryl(alkyl)amino]malonates with Chloroethynylphosphonates
Preparative limitations of the reaction of chloroethynylphosphonates with 2-(alkylamino)malonates have been established. Unlike the reaction of...
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The use of N-halosuccinimides for cyclization with the formation of five-membered heterocyclic compounds
The review summarizes the literature data for the period 2000–2017 on the most successful use of N -halosuccinimides in the preparative synthesis of...
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Oxidative trifluoroacetamidation of (1E,3E)-1,4-diphenylbuta-1,3-diene and 1,1,4,4-tetraphenylbuta-1,3-diene
Reactions of trifluoroacetamide with (1 E ,3 E )-1,4-diphenylbuta-1,3-diene and 1,1,4,4-tetraphenylbuta-1,3-diene in the oxidative system t -BuOCl–NaI...
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3-Phosphorylated thioazoles
A novel procedure is reported for the synthesis of 3-phosphorylated N,S-heterocyclic systems by regio- and chemoselective reaction of...
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Photocatalyzed Formation of Heterocycles
Among the several approaches available for the formation of heterocycles, in the last years photocatalysis has become a unique tool. This peculiar...
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Synthesis of cinnamic acid-derived 4,5-dihydrooxazoles
A range of cinnamic units containing 4,5-dihydrooxazoles was prepared using two different synthetic routes. The first method was based on the...
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Synthesis and aggregation properties of thiacalix[4]arene tetra-N-acylamides
First 1,3- alternate p-tert -butylthiacalix[4]arenes containing N -acylamide fragments have been synthesized by reaction of thiacalix[4]arene carboxylic...
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Reactions of dimethyl 2-chloroethynylphosphonate with 1-substituted 5-oxo-1H-1,2,3,4-tetrazoles
Addition of 1-substituted tetrazol-5-ones to dimethyl 2-chloroethynylphosphonate occurred regioselectively to form new geminally substituted bis(4- R -5-oxo-4,5-dihydro-1...
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Ring Expansions of Activated Aziridines and Azetidines
Facile construction of small and normal-sized, or more precisely, four to seven-membered aza-heterocyclic ring systems is always a challenging yet...
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Chloroacetylenephosphonates in reactions with tetrazolethiones
Chloroacetylenephosphonates react with 1-substituted tetrazole-5-thiones in anhydrous acetonitrile to form fused heterocycles, viz. , 3-substituted...
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Thermal Rearrangements and Transformations of 1,2,3-Triazoles
This chapter concentrates on the thermal rearrangements and transformations of 1,2,3-triazoles. It also contains data on the ring-chain tautomerism...
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Synthesis of fluorine-containing allantoins, hydantoins, and oxazolones from terminal perfluoroolefin oxides and urea
1,2-Epoxyoctafluorobutane reacted with urea in DMSO and aqueous DMSO, dioxane, and acetonitrile to give 40–42% of...
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Five-membered oxaza heterocyclic compounds on the basis of epoxides and aziridines
The review summarizes methods for the synthesis of 1,3-oxazolidin-2-ones, 1,3-oxazolidines, and dihydro-1,3-oxazoles from epoxides and aziridines....
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Manganese compounds in the catalysis of organic reactions
The review summarizes published data on the use of manganese compounds as catalysts in oxidation of alkanes, alcohols, aldehydes, sulfides, and...