Search Results - "Piers, Warren E."

Tandem Frustrated Lewis Pair/Tris(pentafluorophenyl)borane-Catalyzed Deoxygenative Hydrosilylation of Carbon Dioxide by Berkefeld, Andreas, Piers, Warren E, Parvez, Masood

“…The frustrated Lewis pair system consisting of 2 equiv of 2,2,6,6-tetramethylpiperidine (TMP) and tris(pentafluorophenyl)borane [B(C6F5)3] activates carbon…”
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Direct observation of a borane–silane complex involved in frustrated Lewis-pair-mediated hydrosilylations by Houghton, Adrian Y., Hurmalainen, Juha, Mansikkamäki, Akseli, Piers, Warren E., Tuononen, Heikki M.

“…Perfluorarylborane Lewis acids catalyse the addition of silicon–hydrogen bonds across C=C, C=N and C=O double bonds. This ‘metal-free’ hydrosilylation has been…”
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Activation of Water, Ammonia, and Other Small Molecules by PCcarbeneP Nickel Pincer Complexes by Gutsulyak, Dmitry V, Piers, Warren E, Borau-Garcia, Javier, Parvez, Masood

“…Nickel complexes of a PCcarbeneP pincer ligand framework are described. Dehydrobromination of the precursor (PCsp3 P)NiBr in the presence of a donor (PPh3 or…”
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Perfluoropentaphenylborole by Fan, Cheng, Piers, Warren E, Parvez, Masood

“…Perfluorination: The fully fluorinated analogue of pentaphenylborole (see structure; B gray, C black, F green) has been prepared using successive…”
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Ligand Cooperation in the Formal Hydrogenation of N2O Using a PCsp2P Iridium Pincer Complex by Doyle, Lauren E, Piers, Warren E, Borau-Garcia, Javier

“…A new PCcarbeneP pincer ligand with 2,3-benzo­[b]­thiophene linkers connecting the flanking dialkyl phosphine donors to the central carbene can be attached to…”
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Selective Hydrosilation of CO2 to a Bis(silylacetal) Using an Anilido Bipyridyl-Ligated Organoscandium Catalyst by LeBlanc, Francis A., Piers, Warren E., Parvez, Masood

“…A rigid anilido bipyridyl ligand has been designed for use in an organoscandium‐based carbon dioxide hydrosilation catalyst. Ligand attachment by alkane…”
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Future Trends in Organometallic Chemistry: Organometallic Approaches to Water Splitting by Piers, Warren E

“…Advances in the field of organometallic chemistry have historically been driven by the imperatives of the petrochemical industry. Catalytic manipulation of C−H…”
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Heterolytic H₂ Activation by Nonmetals by Kenward, Alyson L, Piers, Warren E

“…Nice cleavage: Two new strategies for the transition‐metal‐free activation of σ bonds are presented, namely, Bertrand's activation of dihydrogen by carbenes…”
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Benzo- and Naphthoborepins: Blue-Emitting Boron Analogues of Higher Acenes by Mercier, Lauren G, Piers, Warren E, Parvez, Masood

“…Feelin' Blue: Extended aromatic systems with a borepin core (see picture) can be synthesized by tin–boron exchange. The properties of these air‐ and…”
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Reactions of Neutral Cobalt(II) Complexes of a Dianionic Tetrapodal Pentadentate Ligand: Cobalt(III) Amides from Imido Radicals by Nurdin, Lucie, Spasyuk, Denis M, Piers, Warren E, Maron, Laurent

“…Neutral cobalt­(II) complexes of the dianionic tetrapodal pentadentate ligand B2Pz4Py, in which borate linkers supply the anionic charges, are reported. Both…”
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Mechanistic Studies on the Metal-Free Activation of Dihydrogen by Antiaromatic Pentarylboroles by Houghton, Adrian Y, Karttunen, Virve A, Fan, Cheng, Piers, Warren E, Tuononen, Heikki M

“…The perfluoro- and perprotiopentaphenylboroles 1 and 2 react with dihydrogen to effect H–H bond cleavage and formation of boracyclopentene products. The…”
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10a-Aza-10b-borapyrenes: Heterocyclic Analogues of Pyrene with Internalized BN Moieties by Bosdet, Michael J. D., Piers, Warren E., Sorensen, Ted S., Parvez, Masood

“…Très BN: The introduction of a BN dipole into the internal positions of pyrene (see scheme) provides a novel platform for heterocyclic fluorescent species…”
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Carbon Monoxide Activation via O-Bound CO Using Decamethylscandocinium–Hydridoborate Ion Pairs by Berkefeld, Andreas, Piers, Warren E., Parvez, Masood, Castro, Ludovic, Maron, Laurent, Eisenstein, Odile

“…Ion pairs [Cp*2Sc]+[HB(p-C6F4R)3]− (R = F, 1-F; R = H, 1-H) were prepared and shown to be unreactive toward D2 and α-olefins, leading to the conclusion that no…”
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Borinium, Borenium, and Boronium Ions: Synthesis, Reactivity, and Applications by Piers, Warren E., Bourke, Sara C., Conroy, Korey D.

“…Boron cations are elusive and highly electrophilic species that play a key role in the chemistry of boron. Despite early interest in the chemistry of boron…”
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9-Boraanthracene Derivatives Stabilized by N-Heterocyclic Carbenes by Wood, Thomas K, Piers, Warren E, Keay, Brian A, Parvez, Masood

“…2009: A boraanthracene odyssey: General routes to boraanthracene derivatives--long proposed, but never observed--are disclosed, along with the structural and…”
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Photochemical Synthesis of a Ladder Diborole: A New Boron-Containing Conjugate Material by Araneda, Juan F., Neue, Benedikt, Piers, Warren E., Parvez, Masood

“…Climbing the ladder: Reductive cyclization of alkynyl haloboranes lead to the bis‐benzocycloborabutylidene rather than the expected ladder diborole, despite…”
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Antiaromatic Dithieno-1,2-dihydro-1,2-diborin Splits Diatomic Hydrogen by Araki, Takafumi, Hirai, Masato, Wakamiya, Atsushi, Piers, Warren E., Yamaguchi, Shigehiro

“…B,B-Dimesityl-substituted dithieno-1,2-dihydro-1,2-diborin was synthesized and its properties and reactivity were studied. Owing to the noticeably…”
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Generation and Spectroscopic Characterization of Ruthenacyclobutane and Ruthenium Olefin Carbene Intermediates Relevant to Ring Closing Metathesis Catalysis by van der Eide, Edwin F, Romero, Patricio E, Piers, Warren E

“…The reaction of phosphonium alkylidenes [(H2IMes)RuCl2CHPR3]+[A]- (R = C6H11, A = OTf or B(C6F5)4, 1-Cy; R = i-C3H7, A = ClB(C6F5)3 or OTf, 1- i Pr) with 1…”
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Kinetic and Thermodynamic Analysis of Processes Relevant to Initiation of Olefin Metathesis by Ruthenium Phosphonium Alkylidene Catalysts by Leitao, Erin M, van der Eide, Edwin F, Romero, Patricio E, Piers, Warren, E, McDonald, Robert

“…Initiation processes in a family of ruthenium phosphonium alkylidene catalysts, some of which are commercially available, are presented. Seven 16-electron…”
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Direct Observation of a 14-Electron Ruthenacyclobutane Relevant to Olefin Metathesis by Romero, Patricio E, Piers, Warren E

“…The 14-electron ruthenium phosphonium alkylidene complex [(IH2Mes)Cl2RuCH(PCy3)][B(C6F5)4], 1b, a highly active olefin metathesis catalyst, reacts with…”
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