Gwilherm Evano
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View article: Synthesis of Nitrogen Heterocycles by Intramolecular Radical Addition to Alkynes: A Systematic Study
Synthesis of Nitrogen Heterocycles by Intramolecular Radical Addition to Alkynes: A Systematic Study Open
We report in this letter a systematic study of the synthesis of saturated nitrogen heterocycles by intramolecular radical addition to alkynes. In this perspective, a series of sulfonamides containing both an alkyne and an iodoalkyl subunit…
View article: Mechanistic Studies on the Gold-Catalyzed Intramolecular Hydroalkylation of Ynamides to Indenes
Mechanistic Studies on the Gold-Catalyzed Intramolecular Hydroalkylation of Ynamides to Indenes Open
An in-depth experimental and computational study to rationalize the mechanism underlying the gold-catalyzed intramolecular hydroalkylation of ynamides to indenes is reported. Evaluating the reactivity of a set of deuterated ynamides and go…
View article: Rhodium‐Catalyzed Direct <i>ortho</i>‐Arylation of Anilines
Rhodium‐Catalyzed Direct <i>ortho</i>‐Arylation of Anilines Open
An efficient and broadly applicable rhodium‐catalyzed direct ortho ‐arylation of anilines with aryl iodides relying on readily available aminophosphines as traceless directing groups is reported. Its scope and functional group compatibilit…
View article: Copper-Catalyzed Coupling between <i>ortho</i>-Haloanilines and Lactams/Amides: Synthesis of Benzimidazoles and Telmisartan
Copper-Catalyzed Coupling between <i>ortho</i>-Haloanilines and Lactams/Amides: Synthesis of Benzimidazoles and Telmisartan Open
An efficient copper-catalyzed synthesis of (annelated) benzimidazoles is reported. This transformation is based on a simple and straightforward one-pot sequence involving a copper-catalyzed cross coupling between o-haloanilines and lactams…
View article: Copper-catalyzed direct α-peroxidation of nitrogen heterocycles
Copper-catalyzed direct α-peroxidation of nitrogen heterocycles Open
Functionalized, saturated nitrogen heterocycles form the core structures of many molecules that have an impact on our daily lives, including natural products and pharmaceuticals. An efficient and general method for the direct alpha-peroxid…
View article: Ring-closing enyne metathesis of allylic and propargylic cyanamides
Ring-closing enyne metathesis of allylic and propargylic cyanamides Open
A straightforward entry to 5-membered cyclic cyanamides from readily available allylic and propargylic cyanamides is reported. These starting materials are easily obtained by a multicomponent A3 coupling followed by a von Braun reaction an…
View article: Copper‐Catalyzed Cross‐Coupling of Acylzirconocenes and Diaryliodonium Salts: An Efficient Synthesis of Alkyl‐aryl‐ketones from Alkenes
Copper‐Catalyzed Cross‐Coupling of Acylzirconocenes and Diaryliodonium Salts: An Efficient Synthesis of Alkyl‐aryl‐ketones from Alkenes Open
An efficient and unprecedented cross‐coupling between acylzirconocenes, readily available starting materials conveniently prepared by hydrozirconation of alkenes and a subsequent carbonylation with carbon monoxide, and diaryliodonium tetra…
View article: CCDC 2129745: Experimental Crystal Structure Determination
CCDC 2129745: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Copper-Catalyzed, Ligand-Controlled N(sp<sup>3</sup>)- or N(sp)-Selective Arylation of Cyanamides
Copper-Catalyzed, Ligand-Controlled N(sp<sup>3</sup>)- or N(sp)-Selective Arylation of Cyanamides Open
Cyanamides possess both nucleophilic and electrophilic centers, and their arylation reactions are known to proceed at N(sp3) and C(sp) sites, leading to N-aryl cyanamides or amidines. N(sp) selectivity has also been reported only in the pr…
View article: CCDC 2245471: Experimental Crystal Structure Determination
CCDC 2245471: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Linked PDF of Table of Contents
Linked PDF of Table of Contents Open
Radical oxidative coupling • [Pd] or [Cu] complexes
View article: CCDC 2256018: Experimental Crystal Structure Determination
CCDC 2256018: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Synthesis of Tetrahydrofurans and Pyrrolidines by Copper-Catalyzed Oxy/Aminoarylation of Alkenes
Synthesis of Tetrahydrofurans and Pyrrolidines by Copper-Catalyzed Oxy/Aminoarylation of Alkenes Open
An efficient copper-catalyzed inter/intramolecular oxy/aminoarylation of γ-hydroxy/aminoalkenes with diaryliodonium triflates is reported. Simple activation of these arylating agents with copper(II) triflate in dichloromethane triggers a s…
View article: Copper-(Photo)Catalyzed Radical Reactions with Organic Halides
Copper-(Photo)Catalyzed Radical Reactions with Organic Halides Open
Copper is one of the most efficient and attractive metals for catalysis. In addition to their availability, low cost and limited toxicity, copper complexes are utilized to catalyze a broad variety of reactions, including examples involving…
View article: Structure‐Property Relationships in a New Family of Photoactive Diimine‐Diphosphine Copper(I) Complexes
Structure‐Property Relationships in a New Family of Photoactive Diimine‐Diphosphine Copper(I) Complexes Open
A new family of heteroleptic diimine‐diphosphine copper(I) complexes is reported, with six new complexes compared to benchmark [Cu(bcp)(DPEPhos)]PF 6 . These new complexes are based on 1,4,5,8‐tetraazaphenanthrene (TAP) ligands with repres…
View article: Copper-Catalyzed Carbonylative Cross-Coupling of Alkyl Iodides with Alcohols and Sodium Hydroxide: Synthesis of Esters and Carboxylic Acids
Copper-Catalyzed Carbonylative Cross-Coupling of Alkyl Iodides with Alcohols and Sodium Hydroxide: Synthesis of Esters and Carboxylic Acids Open
A general and inexpensive catalytic system is reported for the copper-catalyzed carbonylative coupling between alkyl iodides and alcohols or sodium hydroxide. Upon reaction with catalytic amounts of copper(I) chloride and N,N,N′,N′′,N′′-pe…
View article: Direct Arylation of C(sp2)–H Bonds in Anilines
Direct Arylation of C(sp2)–H Bonds in Anilines Open
Anilines selectively arylated at their ortho, meta or para positions are useful building blocks in synthesis and have found applications in many areas. The most straightforward method for their synthesis relies on the direct arylation of a…
View article: CCDC 2193674: Experimental Crystal Structure Determination
CCDC 2193674: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2193672: Experimental Crystal Structure Determination
CCDC 2193672: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2193673: Experimental Crystal Structure Determination
CCDC 2193673: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Photoactive Copper Complexes: Properties and Applications
Photoactive Copper Complexes: Properties and Applications Open
Photocatalyzed and photosensitized chemical processes have seen growing interest recently and have become among the most active areas of chemical research, notably due to their applications in fields such as medicine, chemical synthesis, m…
View article: Catalyst-Free Approach for the Degradation of Bio- and CO<sub>2</sub>-Sourced Polycarbonates: A Step toward a Circular Plastic Economy
Catalyst-Free Approach for the Degradation of Bio- and CO<sub>2</sub>-Sourced Polycarbonates: A Step toward a Circular Plastic Economy Open
peer reviewed
View article: Radical Cyclization of Ynamides to Nitrogen Heterocycles
Radical Cyclization of Ynamides to Nitrogen Heterocycles Open
An efficient radical cyclization of suitably functionalized ynamides to nitrogen-containing heterocycles is reported. Upon reaction with tributyltin hydride in the presence of catalytic amounts of AIBN in toluene at 80 °C, a range of ynami…
View article: Unifying Step-Growth Polymerization and On-Demand Cascade Ring-Closure Depolymerization via Polymer Skeletal Editing
Unifying Step-Growth Polymerization and On-Demand Cascade Ring-Closure Depolymerization via Polymer Skeletal Editing Open
The inherent skeletal and thermal features to forge polymers by step-growth polymerization are conflicting with any depolymerization strategies via cascade back-biting reactions that necessitate adequate ceiling temperature, spacers, and f…
View article: Copper‐Catalyzed Carbonylative Cross‐Coupling of Alkyl Iodides and Amines
Copper‐Catalyzed Carbonylative Cross‐Coupling of Alkyl Iodides and Amines Open
A general copper‐catalyzed carbonylative cross‐coupling between amines and alkyl iodides is reported. Using a simple combination of catalytic amounts of copper(I) chloride and N , N , N’ , N” , N” ‐pentamethyldiethylenetriamine in the pres…
View article: Direct Perfluoroalkylation of C−H Bonds in (Hetero)arenes
Direct Perfluoroalkylation of C−H Bonds in (Hetero)arenes Open
Perfluoroalkylated (hetero)arenes represent an extremely important family of molecules commonly utilized in many areas such as medicinal chemistry, agrochemistry and material sciences. Due to their unique properties, they have attracted si…
View article: Selective Nickel‐Catalyzed Hydrodeacetoxylation of Aryl Acetates
Selective Nickel‐Catalyzed Hydrodeacetoxylation of Aryl Acetates Open
Acetate serves as a renewable and easily installed leaving group for selective deoxygenation of phenolics (ArOH). Ni‐catalyzed hydrodeacetoxylation of aryl acetates (Ar−OAc) with HBpin in a green carbonate solvent selectively delivers the …
View article: Phosphine-catalyzed regio- and stereo-selective hydroboration of ynamides to (<i>Z</i>)-β-borylenamides
Phosphine-catalyzed regio- and stereo-selective hydroboration of ynamides to (<i>Z</i>)-β-borylenamides Open
A phosphine-catalyzed method for the hydroboration of ynamides is reported. Boron adds to the beta carbon in a cis fashion to yield ( Z )-β-borylenamides.
View article: Photoinduced, copper-catalysed direct perfluoroalkylation of heteroarenes
Photoinduced, copper-catalysed direct perfluoroalkylation of heteroarenes Open
An efficient and general process is reported for the room temperature photoinduced, copper-catalysed direct perfluoroalkylation of a broad range of heteroarenes with commercially available perfluoroalkyl iodides.