Lewis acid-catalyzed Diels–Alder cycloaddition of 2,5-dimethylfuran and ethylene: a density functional theory investigation

Autor: Mohamed Chellegui, Benoît Champagne, Mahmoud Trabelsi

Publikováno v: Chellegui, M, Champagne, B & Trabelsi, M 2022, ' Lewis acid-catalyzed Diels–Alder cycloaddition of 2,5-dimethylfuran and ethylene : a density functional theory investigation ', Theoretical Chemistry Accounts, vol. 141, no. 4, 21 . https://doi.org/10.1007/s00214-022-02880-y

Density functional theory calculations with the M06-2X exchange–correlation functional have been performed to explore the Diels–Alder reaction between 2,5-DMF and ethylene as well as to compare the uncatalyzed reaction to the one catalyzed by the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0c64efeb80e61b593a72a95f31d01d12
https://doi.org/10.1007/s00214-022-02880-y

Alkaline–modified montmorillonite K10: an efficient catalyst for green condensation reaction of aromatic aldehydes with active methylene compounds

Autor: Manef Chtourou, Achraf Lahyani, Mahmoud Trabelsi

Publikováno v: Reaction Kinetics, Mechanisms and Catalysis. 126:237-247

An efficient and reusable catalyst, alkaline–modified Montmorillonite K10, has been developed and used in the Knoevenagel condensation. A series of condensation reactions based on ultrasound irradiation of different types of active methylene compou

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::295947b97e8183f607928d718b5e62b4
https://doi.org/10.1007/s11144-018-1495-9

Assigning the stereochemistry of syn and anti β-trimethylsiloxy-α-trimethylsilyl alkanoic acid silyl esters using GIAO 1H NMR chemical shift calculations

Autor: Benoît Champagne, Slim Hadj Mohamed, Mahmoud Trabelsi

Publikováno v: Journal of Molecular Structure. 1141:436-440

The stereostructure of β-trimethylsiloxy-α-trimethylsilyl alkanoic acid silyl esters synthesized by Bellassoued et al. [J. Org. Chem. 2001, 66, 5054–5057] using Mukaiyama aldol reaction has been reassigned using density functional theory NMR 1H c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6b5823da402a7dbab4dc2d2181b8d964
https://doi.org/10.1016/j.molstruc.2017.03.112

Sterolic Composition of Neutralized Oils Bleached with Clays Activated with Ultrasound

Autor: Mahmoud Trabelsi, Mohamed Frikha, Wafa Jahwach-Rabai, Kamel Essid

Publikováno v: Iranian Journal of Science and Technology, Transactions A: Science. 40:183-189

Clays are activated by a classic process and realized in relatively high temperatures. Increasing the clay surface acidity leads to the increase of the specific surfaces of clays with deeper destruction of their crystal lattice; with the training of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2c05f1c358a8433c6c332e8e56f32215
https://doi.org/10.1007/s40995-016-0086-8

Direct electrochemical determination of very low levels of 5-hydroxymethyl furfural in natural honey by cyclic and square wave voltammetric techniques

Autor: Youssef Samet, Ines Salhi, Mahmoud Trabelsi

Publikováno v: Journal of Electroanalytical Chemistry. 873:114326

The present study reported the electrochemical determination of 5-hydroxymethylfurfural (HMF) obtained by the degradation of fructose, with a glassy carbon electrode. This study was performed by cyclic voltammetry (CV) and square wave voltammetry (SW

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a4969281c58da7b7c30d06f89773c3cf
https://doi.org/10.1016/j.jelechem.2020.114326