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Themed collection 2019 Organic Chemistry Frontiers HOT articles

19 items
Research Article

Synthesis of polycyclic aromatic hydrocarbons by palladium-catalysed [3 + 3] annulation

A new [3 + 3] annulation method for the synthesis of polycyclic aromatic hydrocarbons (PAHs) from two smaller aromatic fragments is reported. Packing structures for four products were obtained and relation to that of parent perylene was discussed.

Graphical abstract: Synthesis of polycyclic aromatic hydrocarbons by palladium-catalysed [3 + 3] annulation
From the themed collection: 2019 Organic Chemistry Frontiers HOT articles
Research Article

Photocatalytic decarboxylative [2 + 2 + 1] annulation of 1,6-enynes with N-hydroxyphthalimide esters for the synthesis of indene-containing polycyclic compounds

An efficient photoredox-mediated [2 + 2 + 1] annulation of 1,6-enynes with N-hydroxyphthalimide esters was reported for the synthesis of spiro and non-spiro indene-containing polycyclic frameworks.

Graphical abstract: Photocatalytic decarboxylative [2 + 2 + 1] annulation of 1,6-enynes with N-hydroxyphthalimide esters for the synthesis of indene-containing polycyclic compounds
From the themed collection: 2019 Organic Chemistry Frontiers HOT articles
Research Article

1,1′-Bi(2-naphthol-4,5-dicarboximide)s: blue emissive axially chiral scaffolds with aggregation-enhanced emission properties

Novel electron-deficient 1,1′-binaphthol derivatives bearing two dicarboximide groups at the peri-positions show intense blue luminescence and aggregation-enhanced emission characteristics.

Graphical abstract: 1,1′-Bi(2-naphthol-4,5-dicarboximide)s: blue emissive axially chiral scaffolds with aggregation-enhanced emission properties
From the themed collection: 2019 Organic Chemistry Frontiers HOT articles
Research Article

Asymmetric organocatalyzed reaction sequence of 2-hydroxy cinnamaldehydes and acyclic N-sulfonyl ketimines to construct diverse chiral bridged polycyclic aminals

2-Hydroxy cinnamaldehydes and acyclic N-sulfonyl ketimines were used as multisite substrates in an iminium catalysis triggered sequential process, leading to diverse chiral bridged polycyclic aminals in a highly regio- and stereoselective manner.

Graphical abstract: Asymmetric organocatalyzed reaction sequence of 2-hydroxy cinnamaldehydes and acyclic N-sulfonyl ketimines to construct diverse chiral bridged polycyclic aminals
From the themed collection: 2019 Organic Chemistry Frontiers HOT articles
Research Article

Asymmetric domino 1,6-addition/annulation reaction of 3-cyano-4-alkenyl-2H-chromen-2-ones with isatin-derived MBH carbonates: enantioselective synthesis of 3,3′-cyclopentenylspirooxindoles bearing 2H-chromen-2-ones

An asymmetric domino 1,6-addition/annulation reaction of 3-cyano-4-alkenyl-2H-chromen-2-ones with isatin-derived MBH carbonates was achieved by using a modified cinchona alkaloid as a catalyst.

Graphical abstract: Asymmetric domino 1,6-addition/annulation reaction of 3-cyano-4-alkenyl-2H-chromen-2-ones with isatin-derived MBH carbonates: enantioselective synthesis of 3,3′-cyclopentenylspirooxindoles bearing 2H-chromen-2-ones
From the themed collection: 2019 Organic Chemistry Frontiers HOT articles
Research Article

Constructing bridged multifunctional calixarenes by intramolecular indole coupling

2,2′-Bisindole bridges can be easily created at (thia)calixarene cores providing the molecules with multiple functionalities for application in supramolecular chemistry.

Graphical abstract: Constructing bridged multifunctional calixarenes by intramolecular indole coupling
From the themed collection: 2019 Organic Chemistry Frontiers HOT articles
Research Article

Minisci C–H alkylation of N-heteroarenes with aliphatic alcohols via β-scission of alkoxy radical intermediates

A generally applicable method for Minisci C–H alkylation of N-heteroarenes with aliphatic alcohols via β-scission of alkoxy radical intermediates under photoredox-catalyzed conditions.

Graphical abstract: Minisci C–H alkylation of N-heteroarenes with aliphatic alcohols via β-scission of alkoxy radical intermediates
From the themed collection: 2019 Organic Chemistry Frontiers HOT articles
Research Article

A novel chiral DMAP–thiourea bifunctional catalyst catalyzed enantioselective Steglich and Black rearrangement reactions

A novel chiral DMAP–thiourea bifunctional catalyst has been prepared and applied in the highly enantioselective Steglich and Black rearrangement reactions.

Graphical abstract: A novel chiral DMAP–thiourea bifunctional catalyst catalyzed enantioselective Steglich and Black rearrangement reactions
From the themed collection: 2019 Organic Chemistry Frontiers HOT articles
Research Article

Ligandless nickel-catalyzed transfer hydrogenation of alkenes and alkynes using water as the hydrogen donor

The first general route for nickel-catalyzed transfer hydrogenation reaction of alkenes and alkynes using water as the hydrogen source has been developed.

Graphical abstract: Ligandless nickel-catalyzed transfer hydrogenation of alkenes and alkynes using water as the hydrogen donor
From the themed collection: 2019 Organic Chemistry Frontiers HOT articles
Research Article

Bistrifluoromethylated organocuprate [Ph4P]+[Cu(CF3)2]: synthesis, characterization and its application for trifluoromethylation of activated heteroaryl bromides, chlorides and iodides

The synthesis and characterization of a bistrifluoromethylated organocuprate [Ph4P]+[Cu(CF3)2] and its reactions with a variety of activated heteroaryl bromides, chlorides and iodides were described.

Graphical abstract: Bistrifluoromethylated organocuprate [Ph4P]+[Cu(CF3)2]−: synthesis, characterization and its application for trifluoromethylation of activated heteroaryl bromides, chlorides and iodides
From the themed collection: 2019 Organic Chemistry Frontiers HOT articles
Research Article

Creation of bispiro[pyrazolone-3,3′-oxindoles] via a phosphine-catalyzed enantioselective [3 + 2] annulation of the Morita–Baylis–Hillman carbonates with pyrazoloneyldiene oxindoles

A [3 + 2] annulation between the Morita–Baylis–Hillman (MBH) carbonates and pyrazoloneyldiene oxindoles catalyzed by (S)-SITCP has been developed.

Graphical abstract: Creation of bispiro[pyrazolone-3,3′-oxindoles] via a phosphine-catalyzed enantioselective [3 + 2] annulation of the Morita–Baylis–Hillman carbonates with pyrazoloneyldiene oxindoles
From the themed collection: 2019 Organic Chemistry Frontiers HOT articles
Research Article

Trifluoromethyl-substituted selenium ylide: a broadly applicable electrophilic trifluoromethylating reagent

An easily available, air/moisture insensitive and broadly applicable electrophilic reagent trifluoromethyl-substituted selenium ylide 1a and its reactions with a variety of nucleophiles including β-ketoesters and silyl enol ethers, aryl/heteroaryl boronic acids, electron-rich heteroarenes and sulfinates were described.

Graphical abstract: Trifluoromethyl-substituted selenium ylide: a broadly applicable electrophilic trifluoromethylating reagent
From the themed collection: 2019 Organic Chemistry Frontiers HOT articles
Research Article

Quantification of the hydrophobic effect using water-soluble super aryl-extended calix[4]pyrroles

We report the quantification of the hydrophobic effect using a model system based on water-soluble super aryl-extended calix[4]pyrrole receptors and a series of pyridyl N-oxide derivatives, bearing a non-polar para-substituent, as guests.

Graphical abstract: Quantification of the hydrophobic effect using water-soluble super aryl-extended calix[4]pyrroles
From the themed collection: 2019 Organic Chemistry Frontiers HOT articles
Research Article

A pore-expanded supramolecular organic framework and its enrichment of photosensitizers and catalysts for visible-light-induced hydrogen production

A 3.6 nm-pore SOF is constructed, which adsorbs both photosensitizers and polyoxometallates for visible light-induced proton reduction to produce H2.

Graphical abstract: A pore-expanded supramolecular organic framework and its enrichment of photosensitizers and catalysts for visible-light-induced hydrogen production
From the themed collection: 2019 Organic Chemistry Frontiers HOT articles
Research Article

Visible-light-mediated hydrodehalogenation and Br/D exchange of inactivated aryl and alkyl halides with a palladium complex

Photo-induced radical reductive dehalogenation of inactivated aryl/alkyl bromides and chlorides with a palladium complex is described. Reductive cyclization, dehalogenative deuteration, and radical addition process can be achieved smoothly.

Graphical abstract: Visible-light-mediated hydrodehalogenation and Br/D exchange of inactivated aryl and alkyl halides with a palladium complex
From the themed collection: 2019 Organic Chemistry Frontiers HOT articles
Research Article

Palladium-catalyzed dearomative arylphosphorylation of indoles

A palladium-catalyzed dearomative arylphosphorylation reaction of indoles involving C–C/C–P bond formation is developed.

Graphical abstract: Palladium-catalyzed dearomative arylphosphorylation of indoles
From the themed collection: 2019 Organic Chemistry Frontiers HOT articles
Research Article

Cooperation between an alcoholic proton and boryl species in the catalytic gem-hydrodiborylation of carboxylic esters to access 1,1-diborylalkanes

Cooperation between an alcoholic proton and boryl species in the selective gem-hydrodiborylation of carboxylic esters is described.

Graphical abstract: Cooperation between an alcoholic proton and boryl species in the catalytic gem-hydrodiborylation of carboxylic esters to access 1,1-diborylalkanes
From the themed collection: 2019 Organic Chemistry Frontiers HOT articles
Research Article

Fluorescence deactivation mechanism for a new probe detecting phosgene based on ESIPT and TICT

The ESIPT-fluorescence deactivation is caused by ISC and phosphorescence.

Graphical abstract: Fluorescence deactivation mechanism for a new probe detecting phosgene based on ESIPT and TICT
From the themed collection: 2019 Organic Chemistry Frontiers HOT articles
Research Article

Enantioselective synthesis of 3-amino-hydrobenzofuran-2,5-diones via Cu(I)-catalyzed intramolecular conjugate addition of imino esters

The copper-catalyzed enantioselective intramolecular conjugate addition of imino esters for desymmetrization of cyclohexadienones was described, providing access to enantioenriched 3-amino-hydrobenzofuran-2,5-diones.

Graphical abstract: Enantioselective synthesis of 3-amino-hydrobenzofuran-2,5-diones via Cu(i)-catalyzed intramolecular conjugate addition of imino esters
From the themed collection: 2019 Organic Chemistry Frontiers HOT articles
19 items

About this collection

Read our on-going collection of the hottest research published as advanced article from Organic Chemistry Frontiers in 2019. These articles are recommended by reviewers as being of significant novelty and interest. Congratulations to all the authors whose articles are featured!

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