Browsing by Author "Toupet, Loic"
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Copper-Catalysed Allylic Substitution Using 2,8,14,20-Tetrapentylresorcinarenyl-Substituted Imidazolium Salts
Kaloglu, Murat; Sahin, Neslihan; Semeril, David; Brenner, Eric; Matt, Dominique; Ozdemir, Ismail; Kaya, Cemal; Toupet, Loic (WILEY-V C H VERLAG GMBH, 2015)Unsymmetrical imidazolium salts, each having one nitrogen atom (N1) substituted by a cavity-shaped TPR group (TPR = 2,8,14,20-tetrapentylresorcinaren-5-yl), were tested in situ as proligands for the copper-catalysed allylic ... -
Palladium-catalysed Suzuki-Miyaura cross-coupling with imidazolylidene ligands substituted by crowded resorcinarenyl and calixarenyl units
Sahin, Neslihan; Semeril, David; Brenner, Eric; Matt, Dominique; Kaya, Cemal; Toupet, Loic (SCIENTIFIC TECHNICAL RESEARCH COUNCIL TURKEY-TUBITAK, 2015)Two N-heterocyclic carbene (NHC) palladium complexes of formula [PdBr2 (NHC)(pyridine)] in which the carbenic ring is flanked by sterically crowded cavitand substituents were prepared from appropriate imidazolium salts ... -
Resorcinarene-Functionalised Imidazolium Salts as Ligand Precursors for Palladium-Catalysed SuzukiMiyaura Cross-Couplings
Sahin, Neslihan; Semeril, David; Brenner, Eric; Matt, Dominique; Ozdemir, Ismail; Kaya, Cemal; Toupet, Loic (WILEY-V C H VERLAG GMBH, 2013)Three imidazolium salts based on a rigid resorcinarene platform (13) were synthesised and used as catalyst precursors in the SuzukiMiyaura cross-coupling of aryl halides with phenylboronic acid. In these pro-carbene ligands, ... -
Subtle Steric Effects in Nickel-Catalysed Kumada-Tamao-Corriu Cross-Coupling Using Resorcinarenyl-Imidazolium Salts
Sahin, Neslihan; Semeril, David; Brenner, Eric; Matt, Dominique; Ozdemir, Ismail; Kaya, Cemal; Toupet, Loic (WILEY-V C H VERLAG GMBH, 2013)Three resorcinarene-cavitands bearing a 3-R-1-imidazolylium substituent (R = alkyl) grafted to the wider rim of the cavitand (1-3) were assessed in the Kumada-Tamao-Corriu cross-coupling of aryl halides with arylmagnesium ... -
Synthesis and use of trans-dichlorido-tetrakis-(N-R-imidazole)nickel(II) complexes in Kumada-Tamao-Corriu cross-coupling reactions
Sahin, Neslihan; El Moll, Hani; Semeril, David; Matt, Dominique; Ozdemir, Ismail; Kaya, Cemal; Toupet, Loic (PERGAMON-ELSEVIER SCIENCE LTD, 2011)Two dichlorido-tetrakis-(N-R-imidazole)nickel(II) complexes (R = 2,6-diisopropylphenyl (1): methyl (2)) have been synthesised. A single crystal X-ray diffraction study was carried out for 1, which revealed a centrosymmetric ...