0000000001301652

AUTHOR

Imen Ben Cheikh

showing 3 related works from this author

Functionalization of Bambusurils by a Thiol-Ene Click Reaction and a Facile Method for the Preparation of Anion-Free Bambus[6]urils

2018

Sulfide-functionalized bambus[4]urils ((RS)8 BU[4]) and bambus[6]urils ((RS)12 BU[6]) were synthesized through thiol-ene click coupling reactions (TEC) of allylbambus[n]urils. Thiosugars were grafted to BU[4] and BU[6]. Synthesis of BU[6] derivatives always requires the use of a template anion (iodide, chloride, or bromide), which is enclosed in the cavity of BU[6]. We show that this anion influences the reactivity of bambus[6]urils. An encapsulated iodide makes allyl functions of allyl12 BU[6] less reactive towards TEC and hydrogenation reactions in comparison to the corresponding chloride or bromide inclusion complexes. This is critical for the chemical reactivity of BU[6] and even more t…

chemistry.chemical_classification[CHIM.ORGA]Chemical Sciences/Organic chemistry010405 organic chemistryOrganic ChemistryIodideGeneral ChemistryNuclear magnetic resonance spectroscopy010402 general chemistry01 natural sciencesMedicinal chemistryQuantum chemistryCatalysisCoupling reaction0104 chemical sciences[CHIM.THEO]Chemical Sciences/Theoretical and/or physical chemistrychemistry.chemical_compoundchemistryBromide[CHIM.CRIS]Chemical Sciences/CristallographyClick chemistryReactivity (chemistry)Ene reactionChemistry - A European Journal
researchProduct

CCDC 1553488: Experimental Crystal Structure Determination

2018

Related Article: Djamille Azazna, Marine Lafosse, Julie Rivollier, Jialan Wang, Imen Ben Cheikh, Michel Meyer, Pierre Thury, Jean-Pierre Dognon, Gaspard Huber, Marie-Pierre Heck|2018|Chem.-Eur.J.|24|10793|doi:10.1002/chem.201801468

Space GroupCrystallographytetra-n-butylammonium 5713152123293137394547-dodecakis(prop-2-en-1-yl)-1357911131517192123252729313335373941434547-tetracosaazatridecacyclo[41.5.1.139.11117.11925.12733.13541.048.01216.02024.02832.03640.04448]tetrapentacontane-61422303846495051525354-dodecone chloride unknown solvateCrystal SystemCrystal StructureCell ParametersExperimental 3D Coordinates
researchProduct

CCDC 1553489: Experimental Crystal Structure Determination

2018

Related Article: Djamille Azazna, Marine Lafosse, Julie Rivollier, Jialan Wang, Imen Ben Cheikh, Michel Meyer, Pierre Thury, Jean-Pierre Dognon, Gaspard Huber, Marie-Pierre Heck|2018|Chem.-Eur.J.|24|10793|doi:10.1002/chem.201801468

Space GroupCrystallographyCrystal SystemCrystal StructureCell Parameterstetra-n-butylammonium 5713152123293137394547-dodecakis(prop-2-en-1-yl)-1357911131517192123252729313335373941434547-tetracosaazatridecacyclo[41.5.1.139.11117.11925.12733.13541.048.01216.02024.02832.03640.04448]tetrapentacontane-61422303846495051525354-dodecone bromide unknown solvateExperimental 3D Coordinates
researchProduct