Search Results - "Noels, Alfred F."

Carbene Chemistry: Stereoregular Polymers from Diazo Compounds by Noels, Alfred F.

“…From carbenes to polymers: The synthesis of polymers that bear a polar group (R) on every main‐chain carbon atom, while controlling their stereochemistry, was…”
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Homobimetallic Ruthenium-N-Heterocyclic Carbene Complexes: Synthesis, Characterization, and Catalytic Applications by Sauvage, Xavier, Borguet, Yannick, Noels, Alfred F., Delaude, Lionel, Demonceau, Albert

“…Two new homobimetallic ruthenium‐arene complexes [(p‐cymene)Ru(μ‐Cl)3RuCl(η2‐C2H4)(L)], where L=1,3‐bis(2,4,6‐trimethylphenyl)imidazolin‐2‐ylidene (3a) or…”
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The Modulating Possibilities of Dicarbollide Clusters:  Optimizing the Kharasch Catalysts by Tutusaus, Oscar, Viñas, Clara, Núñez, Rosario, Teixidor, Francesc, Demonceau, Albert, Delfosse, Sébastien, Noels, Alfred F, Mata, Ignasi, Molins, Elies

“…exo-Cluster dicarbollides substitution has allowed tuning of the E° (Ru(II)/Ru(III)) potential to obtain the best-performing Kharasch catalyst. We postulate…”
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Probing the Stereoselectivity of the Ruthenium-Catalyzed Ring-Opening Metathesis Polymerization of Norbornene and Norbornadiene Diesters by Delaude, Lionel, Demonceau, Albert, Noels, Alfred F

“…The ring-opening metathesis polymerization (ROMP) of two optically active 2,3-dicarboalkoxynorbornadienes derived from (S)-(−)-2-methyl-1-butanol and…”
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New, Highly Efficient Catalyst Precursors for Kharasch Additions − [RuCl(Cp)(PPh3)2] and [RuCl(Ind)(PPh3)2] by Simal, François, Wlodarczak, Lise, Demonceau, Albert, Noels, Alfred F.

“…[RuCl(Cp*)(PPh3)2] and [RuCl(Ind)(PPh3)2] are excellent catalyst precursors for promoting the Kharasch addition of CCl4 and CHCl3 across olefins under mild…”
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Highly Efficient Ruthenium-Based Catalytic Systems for the Controlled Free-Radical Polymerization of Vinyl Monomers by Simal, François, Demonceau, Albert, Noels, Alfred F.

“…A new set of ruthenium complexes such as 1 and 2 (the Grubbs ruthenium–carbene complex) has been shown to mediate the controlled atom‐transfer radical…”
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New In situ Generated Ruthenium Catalysts Bearing N-Heterocyclic Carbene Ligands for the Ring-Opening Metathesis Polymerization of Cyclooctene by Delaude, Lionel, Szypa, Magdalena, Demonceau, Albert, Noels, Alfred F.

“…New 1,3‐diarylimidazol(in)ium chlorides bearing phenyl, 1‐naphthyl, 4‐biphenyl, 2‐tolyl, 2,6‐dimethylphenyl, and 3,5‐dimethylphenyl substituents were…”
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Preparation, Characterization and Crystal Structure of the Dinuclear Chromium Complex {(C5H5)Cr[μ-CH2SiMe2−N(SiMe3)]}2 by Messere, Rino, Spirlet, Marie-Rose, Jan, Dominique, Demonceau, Albert, Noels, Alfred??F.

“…Abstract only…”
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Stereoselective Synthesis of (E)-Hydroxystilbenoids by Ruthenium-Catalyzed Cross-Metathesis by Ferré-Filmon, Karine, Delaude, Lionel, Demonceau, Albert, Noels, Alfred F.

“…An efficient and highly stereoselective synthetic procedure is reported for the construction of symmetrical and unsymmetrical (E)‐polymethoxystilbene and…”
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New tripodal iminophosphorane-based ethylene oligomerization catalysts Part II. Catalytic behavior by BEAUFORT, Laurence, BENVENUTI, Federica, DELAUDE, Lionel, NOELS, Alfred F

“…Seven transition-metal complexes of general formula RC(CH2NPR'(3))(3))MX2 based on new tripodal iminophosphorane ligands were investigated as initiators for…”
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Synthesis and evaluation of new RuCl2(p-cymene)(ER2R′) and (η1:η6-phosphinoarene)RuCl2 complexes as ring-opening metathesis polymerization catalysts by Jan, Dominique, Delaude, Lionel, Simal, François, Demonceau, Albert, Noels, Alfred F

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Kharasch addition catalysed by half-sandwich ruthenium complexes. Enhanced activity of ruthenacarboranes by Tutusaus, Oscar, Delfosse, Sébastien, Demonceau, Albert, Noels, Alfred F, Viñas, Clara, Teixidor, Francesc

“…Ruthenium complexes of the type [RuH(η 5-CB)(PPh 3) 2] {CB is a monoanionic charge-compensated carborane ligand such as [9-SR 2-7,8-C 2B 9H 10] − and [9-SR…”
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Novel Ruthenium-Based Catalyst Systems for the Ring-Opening Metathesis Polymerization of Low-Strain Cyclic Olefins by Demonceau, Albert, Stumpf, Andreas W, Saive, Eric, Noels, Alfred F

“…Highly active catalyst systems for the ring-opening metathesis polymerization (ROMP) of strained (norbornene) and low-strain (cyclooctene) olefins are readily…”
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Ruthenium catalysts bearing N-heterocyclic carbene ligands in atom transfer radical reactions by Richel, Aurore, Delfosse, Sébastien, Cremasco, Cédric, Delaude, Lionel, Demonceau, Albert, Noels, Alfred F

“…The catalytic activity of ruthenium- p-cymene complexes bearing N-heterocyclic carbene ligands in atom transfer radical addition (ATRA) or polymerisation…”
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Olefin cyclopropanation catalyzed by new diiminophosphorane and triiminophosphorane complexes of copper and palladium by Beaufort, Laurence, Demonceau, Albert, Noels, Alfred F.

“…Chelating diiminophosphorane and tripodal iminophosphorane copper and palladium complexes are found to efficiently catalyze the cyclopropanation of activated…”
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Ruthenium Alkylidenes: Modulation of a New Class of Catalysts for Controlled Radical Polymerization of Vinyl Monomers by Simal, François, Delfosse, Sébastien, Demonceau, Albert, Noels, Alfred F., Denk, Karin, Kohl, Florian J., Weskamp, Thomas, Herrmann, Wolfgang A.

“…Air‐stable and readily available ruthenium benzylidene complexes of the general type [RuCl2(CHPh)(L)(L′)] (L, L′=PCy3 and/or N‐heterocyclic carbene)…”
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Highly Stereoselective Ruthenium-Catalyzed Ring-Opening Metathesis Polymerization of 2,3-Difunctionalized Norbornadienes and Their 7-Oxa Analogues by Delaude, Lionel, Demonceau, Albert, Noels, Alfred F

“…The ring-opening metathesis polymerization (ROMP) of 2,3-difunctionalized norbornadienes and their 7-oxa analogues catalyzed by [RuCl2(p-cymene)]2 in the…”
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Synthesis of stilbenoids via the Suzuki–Miyaura reaction catalysed by palladium N-heterocyclic carbene complexes by Tudose, Adriana, Maj, Anna, Sauvage, Xavier, Delaude, Lionel, Demonceau, Albert, Noels, Alfred F.

“…The Suzuki–Miyaura reaction of aryl halides with trans-2-phenylvinylboronic acid using a series of related in situ generated N-heterocyclic carbene…”
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The Step-by-Step Robinson Annulation of Chalcone and Ethyl Acetoacetate. An Advanced Undergraduate Project in Organic Synthesis and Structural Analysis by Delaude, Lionel, Grandjean, Jean, Noels, Alfred F

“…The Robinson annulation is a three-step process involving a Michael addition followed by an internal aldol condensation and a dehydration. Under appropriate…”
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Radical reactions catalysed by ruthenium(II) complexes with anionic carborane phosphine ligands: Kharasch addition to olefins and controlled polymerisation by Simal, François, Sebille, Sophie, Demonceau, Albert, Noels, Alfred F, Nuñez, Rosario, Abad, Mar, Teixidor, Francesc, Viñas, Clara

“…Ruthenium-carborane complexes 1– 3 mediated the Kharasch addition of carbon tetrachloride across olefins with high yields which markedly depended on the…”
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