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Sequential enantioselective Ugi-4CR/post-Ugi transformation strategy: a precise construction of structurally diverse azaspiro polycyclic scaffolds
A privileged strategy has been developed for the precise construction of enantioenriched azaspiro polycyclic scaffolds. Structurally diverse azaspiro...
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Synthesis and Antioxidant Properties of Novel Polycycles with Tetrahydroquinoline and Chromane Fragments
AbstractThe three-component acid-catalyzed cyclocondensation of arylamines with cyclopentadiene and...
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Dynamic stereoselective annulation via aldol-oxa-cyclization cascade reaction to afford spirooxindole pyran polycycles
Spiro polycyclic compounds bearing pyran ring systems are found in bioactive molecules, and we recently reported the construction of spirooxindole...
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Efficient Access to Highly Condensed Aromatic Compounds Using Reactive Molecules
Reaction integration is one of the useful synthetic methods for preparation of highly condensed aromatic compounds with diverse functionalities....
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N-Heterocyclic carbene-catalyzed enantioselective hetero-[10 + 2] annulation
Higher-order cycloadditions are a powerful strategy for the construction of polycycles in one step. However, an efficient and concise version for the...
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Synthesis of New Polycyclic Adducts Derived from Tetraazadecalin
AbstractA one-pot synthesis of 4,9-dimethyl-2,3a,5a,7,8a,10a-hexaazaperhydropyrenes by the catalytic heterocyclization of...
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Anti-corrosive properties of novel nano-B/N/S-doped and heterocycle-functionalized carbon dots: a combined DFT and MD simulation study
In this work, two series of new potential nano-carbon dots (CDs) inhibitors with different sizes (series A: five rings; series B: ten rings), doped...
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The synthesis of bi(poly)- and macrocyclic derivatives of trans-diaminocyclohexane (microreview)
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Time-Independent Electron Current Density
This chapter has a dual aim. The first is to report the equations defining total electron current density induced by static and uniform magnetic and...
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Quantum Chemical Study of Polycyclic Hydrosilicons with Radical Groups
AbstractHeterospin compounds based on stable radical-containing triangular polycyclic hydrosilicons are simulated using the density functional theory...
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Phenalenyl-Substituted Stilbenes as the Basis for Spin Switches: Quantum-Chemical Modeling
AbstractIsomers of stilbenes containing phenalenyl substituents in the para - and meta -positions of phenyl rings have been studied by means of the...
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Bistability between π-diradical open-shell and closed-shell states in indeno[1,2-a]fluorene
Indenofluorenes are non-benzenoid conjugated hydrocarbons that have received great interest owing to their unusual electronic structure and potential...
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Cascade Reactions Involving Pauson–Khand and Related Processes
The Pauson–Khand [2 + 2 + 1] cycloaddition is one of the best ways to construct a cyclopentenone. It implies the formation of three new bonds and...
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Non-symmetric stapling of native peptides
Stapling has emerged as a powerful technique in peptide chemistry. It enables precise control over peptide conformation leading to enhanced...
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Sequentially Palladium-Catalyzed Processes
Sequentially palladium-catalyzed reactions consist of combinations of identical, related, or significantly different palladium-catalyzed processes...
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Synthesis of Heterocycles via Microwave-Assisted Cycloadditions and Cyclocondensations
Controlled microwave heating has found many important applications in the synthesis of heterocycles. Almost all kinds of heterocycles have been...
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ELECTRONIC STRUCTURE AND MAGNETIC PROPERTIES OF THE ISOMERS OF BIS-PHENALENYL STILBENE DERIVATIVES: A QUANTUM CHEMICAL STUDY
AbstractIt is shown by quantum chemical simulations (DFT M05-2X/B3LYP+D3BJ/6-311++G( d , p )) that systems formed by the annulation of stilbene by...
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Photochemistry of phthalimidoadamantane dipeptides: effect of amino acid side chain on photocyclization
A series of dipeptides 1 was synthesized that at the N-site contained 3-( N -phthalimidoadamantane-1-carboxylic acid and at the C-site different...
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Rapid Reversed-Phase High-Performance Liquid Chromatography Profiling of Serotonin Receptor Ligands and their Related Compounds
AbstractThe retention profile of six serotonin receptor ligands such as arylpiperazines (aripiprazole, ziprasidone, risperidone), and benzothiazepine...
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Cascade asymmetric dearomative cyclization reactions via transition-metal-catalysis
Catalytic asymmetric dearomatization (CADA) reactions offer an efficient strategy for directly converting aromatic compounds into chiral cyclic...
