Apeloig, Yitzhak - Department of Chemistry, Technion, Israel Institute of Technology

• J. Am. Chem. Soc. 1987, 109, 7873-7875 7873 -Mnrrl-I -Mnrrr-
• COMMUNICATIONS Angew. Chem. Int. Ed. 2000, 39, No. 22 WILEY-VCH Verlag GmbH, D-69451 Weinheim, 2000 1433-7851/00/3922-4127 $ 17.50+.50/0 4127
• A New Method for the Synthesis of Branched Polysilane Yitzhak Apeloig,* Michael Yuzefovich, Michael Bendikov, and
• Forschung is greatfully acknowledged. H.S. thanks the EPF Lausanne for a visiting professorship (1979) and
• Polycarbosilanes DOI: 10.1002/anie.200805840
• Synthesis, Molecular Structure, and Reactivity of the Isolable Silylenoid with a Tricoordinate Silicon
• 2522 J. Am. Chem. Soc. 1993, 115, 2522-2523 Importance of Electronic Geminal Interactions in
• Calculated pKEnol Values for Enols of Carboxylic Acid Derivatives HCdC(OH)X (X ) OH, NH2, NMe2, OMe, OCHO, F, Cl, Br)
• On the possible formation of Si=O, Si=S, and Si=Se double bonds via the reaction of silylenes
• Reactivities of Methylenetriangulanes and Spirocyclopropanated Bicyclopropylidenes toward Bromine. Relative Stabilities of
• J. Am. Chem. SOC.1994,116, 10781-10782 10781 Reversal of Stereoselectivityin the Reduction of
• " 8. 1991, 113, 7461-7470 7461. a -.J. Am. Lnem. 3oc the results for the cation are at the geometry of the 12B, state
• 4258 J. Am. Chem. SOC. exchange. For example, in the isoprene anion the four allylic
• Transformation of Organosilicon-Loaded Alumina Gel to Homogeneous Alumino-
• The Trichlorovinylsilane/tert-Butyllithium ReagentsA Source for Transient Silenes?
• Isolable Photoreactive Polysilyl Radicals Gregory Molev, Boris Tumanskii,* Dennis Sheberla, Mark Botoshansky, Dmitry Bravo-Zhivotovskii,
• 2326 Organometallics 1992,11, 2326-2328 organic monomer platinum monomer trausjcis-
• J O U R N A L O F T H E A M E R I C A N C H E M I C A L S O C I E T Y
• J. Am. Chem. SOC.1990, 112, 9131-9140 9131 Alkyl-and Silyl-Substituent Effects on Keto-Enol Equilibria
• 2186 J. Am. Chem. SOC.1983, 105, 2186-2193 significant, and showed no trend with dielectric constant. Thus,
• SileneOrganometallic Complexes The Direct Synthesis of a SileneOrganometallic
• J. Am. Chem. SOC.1986, 108, 3241-3247 3241 on the accuracy of the available experimental parameters.
• O F T H E A M E R I C A N CHEMICAL S O C I E T Y Registered in U S . Parent Oflice. 0 Copyright, 1977, bj' the American ChemicalSociety
• 6852 J. Am. Chem. SOC.1982, 104, 6852-6854 31G**) for all data and used these throughout the text (see Table
• On the Question of Stability, Conjugation, and "Aromaticity" in Imidazol-2-ylidenes and Their Silicon Analogs
• Ionization Energies of Linear and Cyclic Polysilanes. Application of the Green's Function Method Coupled
• Communications to the Editor tivity by a group 5 metal is unprecedented and further study
• Silicon Enolate Analogues DOI: 10.1002/anie.201001024
• SHz + SHD ----f SDi (1.26) (1.53) (47.23)
• Communications to the Editor Vinylic Cations from Solvolysis. XIX.1 Low
• Vinylic Cations from Solvolysis. XX.l y 2 Ion Pairs and Free Ions in the Solvolysis and Isomerization of
• The isomerization 7 -.8 is thought to occur as shown in Scheme 11. The hexacoordinate phosphorus intermediate is
• 3004 J. Org. Chem., Vol.42, No. 18, 1977 Apeloig, Schleyer, and Pople Am. Chem. SOC.,97, 1754 (1975).
• Anthracene and Anthrone Eliminations and Rearrangements J. Org. Chem., Vol. 44, No. 21, 1979 3687 1,lO-,1,4-, and 1,2-Eliminations and 1,5-and 1,7-Rearrangementsin the
• Rappoport9Apeloig, Greenblatt f Solvolysis of 9-(c~-Bromoarylidene)anthrones 3837 aqueous EtOH" is misleading since "TFE-EtOH" should be reserved for
• 6144 J. Am. Chem. SOC.1980, 102, 6144-6146 5,'JOl.5 ii "S,ASC'
• 2170 J. Am. Chem. SOC.1981, 103,2770-2780 Dissociative Ionization of Aryl-Substituted Vinyl Bromides in
• J.Am. Chem. SOC.1983, 105, 4781-4792 4781 (t, CHI); IR (KBr) 2225 and 2220 (C=N) cm-l; mass spectrum, m/e
• 6676 J. Am. Chem. Soc. 1984, 106, 6676-6682 Registry No. la, 58356-65-3; Ib, 32195-55-4; LiOC1, 13840-33-0;
• J. Am. Chem. SOC.1985, 107, 2806-2807 d&. 0 NO SALT
• J. Am. Chem. SOC.1985, 107, 5285-5286 5285 Stabilization of the Phenyl Cation by
• 260 J. Am. Chem. SOC.1986, 108, 260-269 of BaP and 6-CH3-BaPas reported above are seen to parallel the
• 4932 J. Am. Chem. SOC.1986,108,4932-4937 Studies in the Cycloproparene Series: A Theoretical and
• 272 J. Am. Chem. SOC.1987, 109, 272-273 from the nature of the lone spin-containing d orbital.
• J. Am. Chem. SOC.1988, 110,149-114 149 Bonding and Coupling of Cl Fragments on Metal Surfaces
• J. Am. Chem. SOC.1990, 112,8589-8590 8589 Acknowledgment. We thank the National Science Foundation
• J. Am. Chem. SOC.1995,117, 5363-5364 5363 Do Silylenes Always Dimerize to Disilenes? Novel
• J. Am. Chem. SOC.1995,117, 5375-5376 5375 Evidence for the Dominant Role of Secondary
• J. Am. Chem. SOC. 1995,117, 7263-7264 7263 Triple Bonds to Silicon. Relative Stabilities and
• The Mechanism of Addition of Phenols to Tetramesityldisilene. Evidence for Both
• Triple Bonds to Silicon. Substituent Effects on the Thermodynamic and Kinetic Stabilities of Silynes
• J. Chem. Soc., Perkin Trans. 2, 1997 1221 Direct evidence for anchimeric assistance in alcohol elimination from
• A Solid-State 1 NMR and Theoretical Study of the Chemical
• Ab Initio Study of Silyloxonium Ions Marek Cypryk*, and Yitzhak Apeloig
• Molecular Structures of Fulvalenes Derived from Methylidenecycloproparenes: X-ray Structure Determinations and ab
• COMMUNICATIONS Angew. Chem. Int. Ed. 1999, 38, No. 3 WILEY-VCH Verlag GmbH, D-69451 Weinheim, 1999 1433-7851/99/3803-0331 $ 17.50+.50/0 331
• Synthesis and X-ray Molecular Structure of the First Stable Organic Radical Lacking Resonance
• Reversible Transformation between a Diaminosilylene and a Novel Disilene
• Appl. Magn. Reson. 18, 425#434 (2000) Polysilyl Radicals: EPR Study of the Formation
• On the Question of Cyclopropylidene Intermediates in Cyclopropene-to-Allene Rearrangements Tetrakis(trimethylsilyl)cyclopropene, 3-Alkenyl-1,2,3-
• COMMUNICATIONS 3016 WILEY-VCH Verlag GmbH, D-69451 Weinheim, 2001 1433-7851/01/4016-3016 $ 17.50+.50/0 Angew. Chem. Int. Ed. 2001, 40, No. 16
• Journal of Organometallic Chemistry 636 (2001) 148156 www.elsevier.com/locate/jorganchem
• COMMUNICATIONS Angew. Chem. Int. Ed. 2001, 40, No. 21 WILEY-VCH Verlag GmbH, D-69451 Weinheim, 2001 1433-7851/01/4021-4023 $ 17.50+.50/0 4023
• 141Angew. Chem. Int. Ed. 2004, 43, 134 141 www.angewandte.org 2004 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim *Corrigenda
• Ionization Potentials of Silenes (R2SidCR2). Experiment Michael Bendikov, Bahman Solouki, Norbert Auner,*, and Yitzhak Apeloig*,
• Possible Strategies toward the Elusive Tetraaminodisilene Thomas Mu ller*, and Yitzhak Apeloig*,
• The Raman, Ultraviolet, and Infrared Spectra and the JSidC NMR Coupling Constant of the Stable Silene (t-BuMe2Si)(Me3Si)Sid2-Ad. Manifestations of the SidC Double Bond
• Mechanism of the Acid-Catalyzed Si-O Bond Cleavage in Siloxanes and Siloxanols. A Theoretical Study
• Spectroscopic studies of the role of silyl radicals in photolysis of polysilanes
• International Journal of Mass Spectrometry 228 (2003) 297306 The role of hydride migration in the mechanism of alcohol
• Relative Stabilities of Spirocyclopropanated Cyclopropyl Cations Sergei I. Kozhushkov,[a]
• Synthesis of the first long-lived bis-silene Dmitry Bravo-Zhivotovskii *, Gady Korogodsky, Yitzhak Apeloig *
• The First Electrochemical Study of a Silene. An Unusually Low Oxidation Potential, Comparable to
• Radical Reactions of a Stable N-Heterocyclic Silylene: EPR Study and DFT Calculation
• How to Design Linear Allenic-Type Trisilaallenes and Trigermaallenes Monica Kosa, Miriam Karni,* and Yitzhak Apeloig*
• Nonsolvated, Aggregated 1,1-Dilithiosilane and the Derived Silyl Radicals**
• Mercury-Substituted Silyl Radical Intermediates in Formation and Fragmentation of Geminal Dimercury
• Ab Initio and DFT Study of the 29Si NMR Chemical Shifts Miriam Karni* and Yitzhak Apeloig
• Silyllithium Compounds DOI: 10.1002/anie.200600308
• A Combined Experimental and Theoretical Study of the Kinetics and Mechanism of the Addition of Alcohols to
• Communications Novel Aggregation Motif of gem-Dilithiosilanes: Coaggregation of
• Solid-State 29 Si NMR Study of RSiSiR: A Tool for Analyzing the Nature of the
• Theoretical Study of Ladder Polysilanes Monica Kosa, Miriam Karni,* and Yitzhak Apeloig*
• DOI: 10.1002/anie.200702297 Dual Character of Arduengo CarbeneRadical Adducts: Addition
• Bis-silenes DOI: 10.1002/anie.200800973
• Research Highlights Nature Chemistry
• Subscriber access provided by TECHNION The Journal of Physical Chemistry A is published by the American Chemical
• SidX Multiple Bonding with Four-Coordinate Silicon? Insights into the Nature of the SidO and SidS Double Bonds in Stable
• Silicon Compounds DOI: 10.1002/anie.201002876
• My favorite subject at school was ... soccer. When I was eighteen I wanted to be ... a scientist.
• 2784 J. Am. Chem. SOC.1983, 105, 2784-2793 The Role of Hyperconjugation In Determining the
• 1462 J.Org. Chem. 1982,47, 1462-1468 products of the oxidation, conditions under which dimer
• Tris(trimethylsilyl)cyclopropenylium Cation: The First X-ray Structure Analysis of an r-Silyl-Substituted Carbocation
• Theory Predicts Triplet Ground-State Organic Max C. Holthausen*
• Theoretical Prediction of Vertical Transition Energies of Diaminosilylenes
• 270 J. Am. Chem. SOC.1986, 108, 270-284 A Theoretical Survey of Unsaturated or Multiply Bonded and
• Vinylic Cations from Solvolysis. XXI.1 1 2 Solvent Effects on the External Ion Return and the Internal Return in Several
• 750 J. Am. Chem. SOC.1986,108, 750-156 Stereoselectivity of Alkylidenecarbene Addition to Olefins. 2.
• Angew. Chem. Int. Ed. 2002, 41, No. 4 WILEY-VCH Verlag GmbH, 69451 Weinheim, Germany, 2002 1433-7851/02/4104-0649 $ 17.50+.50/0 649 The Synthesis of the First
• The Syntheses and Molecular Structure of a Branched Oligosilyl Anion with a Record of Nine Silicon Atoms and of the First Branched Oligosilyl Dianion
• Chemical Shift Tensors and NICS Calculations for Stable Silylenes
• 9564 J. Am. Chem. SOC.1995,117, 9564-9569 Ab Initio Study on the Unimolecular Decomposition
• Dimers of Diaminosilylenes: Doubly Bonded or Bridged? The Dimers of (i-Pr2N)2Si
• Silicon is the closest element to carbon in the PeriodicTable, both belonging to group 14, but, the structural rules, chemical behavior and physical properties of their compounds are very different. These differences
• Thermal and Photochemical [2+2] Cycloreversion of a 1,2-Disilacyclobutane and a 1,2-Digermacyclobutane
• DOI: 10.1039/b004289g J. Chem. Soc., Perkin Trans. 2, 2000, 22692279 2269 This journal is The Royal Society of Chemistry 2000
• Activation of Pentafluorophenylsilanes by Weak Lewis Bases in Reaction with Iminium Cations
• Solvent-Dependent Stereoselectivity in the Addition of p-CH3OC6H4OH to
• Why Is Methylene a Ground State Triplet while Silylene Is a Ground State Singlet?
• Addition of Nucleophiles to Silenes. A Theoretical Study of the Effect of Substituents on Their Kinetic Stability
• Trisilaallene and the Relative Stability of Si3H4 Isomers Monica Kosa, Miriam Karni,* and Yitzhak Apeloig*
• Novel Stable Silenes via a Sila-Peterson-type Reaction. Molecular Structure and Reactivity
• Molecular Orbital Theory of the Electronic Structure of Molecules. 35. ,&Substituent Effects on the
• Catalytic and Photochemical Cyclopropanation of Alkenes with Methyl Diazo(trialkylsilyl)acetates: Steric
• J. Am. Chem. SOC.1994, 116, 9719-9729 9719 Electronic Spectra of Ethynyl-and Vinylsilylenes: Experiment
• 11608 J. Am. Chem. SOC.1995,117, 11608-11609 Dilithium Derivative of Tetraphenylsilole: An
• pubs.acs.org/Organometallics Published on Web 10/14/2010 r 2010 American Chemical Society 5596 Organometallics 2010, 29, 55965606
• Determination of the Solution Acidity of Tris(trimethylsilyl)silane
• striking. Although both compounds have a set of four nitrogens held with their lone pairs directed out-
• 1486 J. Am. Chem. SOC.1987, 109, 1486-1495 Probing the Anomeric Effect. Trimethylsilyloxy and
• Theoretical Study of Heavier Group 14 Analogues of Nadejda Sigal and Yitzhak Apeloig*
• Chemical Shielding Tensors for a Silicon-Carbon Double Bond
• J. Am. Chem. SOC. .1987, 109, 1317-1322 1317 subtracted from all carbon atom equivalents. To circumvent this
• 314 J. Am. Chem. SOC.1990, 112, 374-381 Preparation of Labled Diazirine [15N#24. 3-(Trifluoromethyl)-
• (tBu2MeSi)2SndSn(SiMetBu2)2: A Distannene with a >SndSn< Double Bond That Is Stable Both in the Solid State
• COMMUNICATIONS 1100 WILEY-VCH Verlag GmbH, D-69451 Weinheim, 1999 1433-7851/99/3808-1100 $ 17.50+.50/0 Angew. Chem. Int. Ed. 1999, 38, No. 8
• Different electronic structure of phosphonyl radical adducts of N-heterocyclic carbenes, silylenes and germylenes: EPR spectroscopic study and DFT
• Arrhenius Parameters for the Addition of Phenols to the Silicon-Silicon Double Bond of Tetramesityldisilene
• Thermal Transformation of a 1,2-Disilacyclobutane to a Trisilacyclobutane
• Radical Reactions of a Stable N-Heterocyclic Germylene: EPR Study and DFT Calculation