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View article: Synthesis of Beta‐Enaminoketones and Enaminoesters Catalyzed by Brønsted Acids Ammonium Chloride and Glycine Hydrochloride
Synthesis of Beta‐Enaminoketones and Enaminoesters Catalyzed by Brønsted Acids Ammonium Chloride and Glycine Hydrochloride Open
Beta‐enaminoketones and beta‐enaminoesters are valuable as drug candidates and intermediates in the synthesis of nitrogen heterocycles and multidentate ligands. These compounds were obtained by the addition of aliphatic or aromatic amines …
View article: Electronic Effects in a Green Protocol for (Hetero)Aryl-S Coupling
Electronic Effects in a Green Protocol for (Hetero)Aryl-S Coupling Open
Aryl and heteroaryl iodides have been efficiently converted into the corresponding thioacetates in cyclopentyl methyl ether (CPME), a green solvent, under Cu catalysis. The chemoselectivity of the reaction is mainly controlled by electroni…
View article: Glycerol Acetalization in Cyclopentyl Methyl Ether with Mild Acid Catalysts
Glycerol Acetalization in Cyclopentyl Methyl Ether with Mild Acid Catalysts Open
Reaction of glycerol with aldehydes and ketones is a strategy widely studied in literature to valorize this bioproduct. A Brønsted or Lewis acid is normally used to activate the carbonyl function and various strategies adopted to drive the…
View article: Oxidovanadium(IV) sulfate catalyses light-driven C–N bond formation
Oxidovanadium(IV) sulfate catalyses light-driven C–N bond formation Open
View article: Recovery, Purification, Analysis and Chemical Modification of a Waste Cooking Oil
Recovery, Purification, Analysis and Chemical Modification of a Waste Cooking Oil Open
Disposing of residual cooking oil is a major environmental concern, so its conversion into commercial products is a desirable goal. To design the chemical modification of a domestic waste oil into valuable biochemicals other than biodiesel…
View article: Aquivion perfluorosulfonic superacid as an effective catalyst for selective epoxidation of vegetable oils
Aquivion perfluorosulfonic superacid as an effective catalyst for selective epoxidation of vegetable oils Open
The acid-promoted epoxidation of vegetable oils was studied using a variety of acidic ion exchange resins as heterogeneous acid catalysts. Quantitative and selective epoxidation of a series of vegetable oils with different composition of s…
View article: Size Selectivity in the Hydroxylation of Esters of Unsaturated Fatty Acids
Size Selectivity in the Hydroxylation of Esters of Unsaturated Fatty Acids Open
The one‐pot two‐steps hydroxylation of fatty acid esters with H 2 O 2 and acetic acid catalyzed by acidic ion exchange resins is reinvestigated aiming to shed light on the relationship between the structure of different substrates and the …
View article: Nenitzescu Synthesis of 5‐Hydroxyindoles with Zinc, Iron and Magnesium Salts in Cyclopentyl Methyl Ether
Nenitzescu Synthesis of 5‐Hydroxyindoles with Zinc, Iron and Magnesium Salts in Cyclopentyl Methyl Ether Open
In this work, mild Lewis acids and low environmental impact solvents were investigated for Nenitzescu synthesis. Cyclopentyl methyl ether can be used at room temperature in substitution of halogenated solvents with zinc, iron and magnesium…
View article: Ammonium Salts Catalyzed Acetalization Reactions in Green Ethereal Solvents
Ammonium Salts Catalyzed Acetalization Reactions in Green Ethereal Solvents Open
Cyclopentyl methyl ether and 2-methyltetrahydrofuran, low impact ethereal solvents forming a positive azeotrope with water, were successfully employed as solvents in the synthesis of a variety of acetals carried out under Dean–Stark condit…
View article: Visible-Light Photoredox-Catalyzed Amidation of Benzylic Alcohols
Visible-Light Photoredox-Catalyzed Amidation of Benzylic Alcohols Open
A new photocatalyzed route to amides from alcohols and amines mediated by visible light is presented. The reaction is carried out in ethyl acetate as a solvent. Ethyl acetate can be defined a green and bio-based solvent. The starting mater…
View article: Cyclopentyl Methyl Ether: An Elective Ecofriendly Ethereal Solvent in Classical and Modern Organic Chemistry
Cyclopentyl Methyl Ether: An Elective Ecofriendly Ethereal Solvent in Classical and Modern Organic Chemistry Open
Solvents represent one of the major contributions to the environmental impact of fine‐chemical synthesis. As a result, the use of environmentally friendly solvents in widely employed reactions is a challenge of vast real interest in contem…
View article: Heterogeneous acidic catalysts for the tetrahydropyranylation of alcohols and phenols in green ethereal solvents
Heterogeneous acidic catalysts for the tetrahydropyranylation of alcohols and phenols in green ethereal solvents Open
The application of heterogeneous catalysis and green solvents to the set up of widely employed reactions is a challenge in contemporary organic chemistry. We applied such an approach to the synthesis and further conversion of tetrahydropyr…
View article: CCDC 1470290: Experimental Crystal Structure Determination
CCDC 1470290: 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: Reducing properties of 1,2-dipyridyl-1,2-disodioethanes: chemical validation of theoretical and electrochemical predictions
Reducing properties of 1,2-dipyridyl-1,2-disodioethanes: chemical validation of theoretical and electrochemical predictions Open
Theoretical calculations and electrochemical analysis were used to set up a relative scale for the reducing strength of the dianions of 1,2-dipyridylethenes, validated by studying their reactivity towards halogenated benzoic and arylacetic…