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Hermannsdorfer A, Driess M. Silicon Tetrakis(trifluoromethanesulfonate): A Simple Neutral Silane Acting as a Soft and Hard Lewis Superacid. Angew Chem Int Ed Engl 2021; 60:13656-13660. [PMID: 33826216 PMCID: PMC8252640 DOI: 10.1002/anie.202103414] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 04/01/2021] [Indexed: 11/10/2022]
Abstract
A facile synthesis and isolation of pristine silicon tetrakis(trifluoromethanesulfonate), Si(OTf)4 , is reported, acting as the first neutral silicon-based Lewis superacid suitable towards soft and hard Lewis bases. Its OTf groups have a dual function: they are excellent leaving groups and modulate the degree of reactivity towards soft and hard Lewis bases. Exposed to soft Lewis donors, Si(OTf)4 leads to [L2 Si(OTf)4 ] complexes (L=isocyanide, thioether and carbonyl compounds) with retention of all Si-OTf bonds. In contrast, it can cleave C-X bonds (X=F, Cl) of hard organic Lewis bases with a high tendency to form SiX4 (X=F, Cl) after halide/triflate exchange. Most notable, Si(OTf)4 allows a gentle oxydefluorination of mono- and bis(trifluoromethyl)benzenes, resulting in the formation of the corresponding benzoylium species, which are stabilized by the weakly coordinating [Si(OTf)6 ] dianion.
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Affiliation(s)
- André Hermannsdorfer
- Department of Chemistry: Metalorganics and Inorganic MaterialsTechnische Universität BerlinStrasse des 17. Juni 115, Sekr. C210623BerlinGermany
| | - Matthias Driess
- Department of Chemistry: Metalorganics and Inorganic MaterialsTechnische Universität BerlinStrasse des 17. Juni 115, Sekr. C210623BerlinGermany
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2
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Hermannsdorfer A, Driess M. Siliciumtetrakis(trifluormethansulfonat): Ein einfaches, neutrales Silan als weiche und harte Lewis‐Supersäure. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202103414] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- André Hermannsdorfer
- Institut für Chemie, Metallorganische Chemie und anorganische Materialien Technische Universität Berlin Straße des 17. Juni 115, Sekr. C2 10623 Berlin Deutschland
| | - Matthias Driess
- Institut für Chemie, Metallorganische Chemie und anorganische Materialien Technische Universität Berlin Straße des 17. Juni 115, Sekr. C2 10623 Berlin Deutschland
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3
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Khoo S, Shan YL, Yang MC, Li Y, Su MD, So CW. B–H Bond Activation by an Amidinate-Stabilized Amidosilylene: Non-Innocent Amidinate Ligand. Inorg Chem 2018; 57:5879-5887. [DOI: 10.1021/acs.inorgchem.8b00321] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Sabrina Khoo
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371
| | - Yu-Liang Shan
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371
| | - Ming-Chung Yang
- Department of Applied Chemistry, National Chiayi University, Chiayi 60004, Taiwan
| | - Yongxin Li
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371
| | - Ming-Der Su
- Department of Applied Chemistry, National Chiayi University, Chiayi 60004, Taiwan
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Cheuk-Wai So
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371
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4
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Binh DH, Milovanović M, Puertes-Mico J, Hamdaoui M, Zarić SD, Djukic JP. Is the R3Si Moiety in Metal-Silyl Complexes a Z ligand? An Answer from the Interaction Energy. Chemistry 2017; 23:17058-17069. [DOI: 10.1002/chem.201703373] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Indexed: 11/10/2022]
Affiliation(s)
- Dang Ho Binh
- Institut de Chimie de Strasbourg UMR7177; Université de Strasbourg; 4, rue Blaise Pascal 67000 Strasbourg France
| | - Milan Milovanović
- Institut de Chimie de Strasbourg UMR7177; Université de Strasbourg; 4, rue Blaise Pascal 67000 Strasbourg France
- Department of Chemistry; University of Belgrade; Studentski trg 12-16 11000 Belgrade Serbia
| | - Julia Puertes-Mico
- Institut de Chimie de Strasbourg UMR7177; Université de Strasbourg; 4, rue Blaise Pascal 67000 Strasbourg France
| | - Mustapha Hamdaoui
- Institut de Chimie de Strasbourg UMR7177; Université de Strasbourg; 4, rue Blaise Pascal 67000 Strasbourg France
| | - Snežana D. Zarić
- Department of Chemistry; University of Belgrade; Studentski trg 12-16 11000 Belgrade Serbia
- Department of Chemistry; Texas A&M University at Qatar, Education City, PO Box 23874; Doha Qatar
| | - Jean-Pierre Djukic
- Institut de Chimie de Strasbourg UMR7177; Université de Strasbourg; 4, rue Blaise Pascal 67000 Strasbourg France
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Roy MMD, Ferguson MJ, McDonald R, Rivard E. Investigation of N-Heterocyclic Carbene-Supported Group 12 Triflates as Pre-catalysts for Hydrosilylation/Borylation. Chemistry 2016; 22:18236-18246. [PMID: 27797137 DOI: 10.1002/chem.201603704] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2016] [Indexed: 11/09/2022]
Abstract
N-Heterocyclic carbene (NHC) complexes of Cd and Hg triflates (OTf) were prepared and their attempted conversion into rare cadmium and mercury hydrides was explored. In contrast to zinc, which forms stable [ZnH]+ complexes with NHCs, the heavier Cd and Hg congeners could not be formed; the increased instability of Cd-H and Hg-H units was rationalized with the aid of computations. It was also discovered that the dimeric adduct [IPr⋅Cd(μ-OTf)2 ]2 (IPr=[(HCNDipp)2 C:]; Dipp=2,6-iPr2 C6 H3 ) is an active precatalyst for the hydrosilylation and hydroborylation of hindered aldehydes and ketones. The related zinc congener was inactive as a catalyst highlighting a distinct advantage of using heavy Group 12 metals to promote catalytic hydrosilylation/borylation.
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Affiliation(s)
- Matthew M D Roy
- Department of Chemistry, University of Alberta, 11227 Saskatchewan Drive, Edmonton, AB, T6E 2G2, Canada
| | - Michael J Ferguson
- Department of Chemistry, University of Alberta, 11227 Saskatchewan Drive, Edmonton, AB, T6E 2G2, Canada
| | - Robert McDonald
- Department of Chemistry, University of Alberta, 11227 Saskatchewan Drive, Edmonton, AB, T6E 2G2, Canada
| | - Eric Rivard
- Department of Chemistry, University of Alberta, 11227 Saskatchewan Drive, Edmonton, AB, T6E 2G2, Canada
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Fukaya N, Haga H, Tsuchimoto T, Onozawa SY, Sakakura T, Yasuda H. Organic functionalization of the surface of silica with arylsilanes. A new method for synthesizing organic–inorganic hybrid materials. J Organomet Chem 2010. [DOI: 10.1016/j.jorganchem.2010.08.023] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Zarl E, Baumgartner J, Decker K, Fischer R, Seibt B, Uhlig F. Solvent Influence in Reactions of Fluoroalkyl Sulfonic Acids with Phenyldistannanes. PHOSPHORUS SULFUR 2008. [DOI: 10.1080/10426500701804910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- E. Zarl
- a Institute for Inorganic Chemistry , Graz University of Technology , Graz , Austria
| | - J. Baumgartner
- a Institute for Inorganic Chemistry , Graz University of Technology , Graz , Austria
| | - K. Decker
- a Institute for Inorganic Chemistry , Graz University of Technology , Graz , Austria
| | - R. Fischer
- a Institute for Inorganic Chemistry , Graz University of Technology , Graz , Austria
| | - B. Seibt
- a Institute for Inorganic Chemistry , Graz University of Technology , Graz , Austria
| | - F. Uhlig
- a Institute for Inorganic Chemistry , Graz University of Technology , Graz , Austria
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9
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Maier G, Glatthaar J. Reactions of Silicon Atoms with Methanol: A Combined Matrix-Spectroscopic and Density Functional Theory Study. Z Anorg Allg Chem 2006. [DOI: 10.1002/zaac.200600031] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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10
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El Kadib A, Asgatay S, Delpech F, Castel A, Rivière P. Highly SelectiveC-Silylation of Fatty Acid Methyl Esters. European J Org Chem 2005. [DOI: 10.1002/ejoc.200500150] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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11
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Tuchbreiter A, Werner H, Gade LH. “A posteriori” modification of carbosilane dendrimers and dendrons: their activation in core and branch positions. Dalton Trans 2005:1394-402. [PMID: 15824777 DOI: 10.1039/b501069a] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The introduction of phenyl groups at different points on carbosilane dendrimers allows their acidolytic conversion to highly reactive triflato groups which in turn are readily substituted by anionic nucleophiles. Core phenylated first-fourth generation dendrimers were synthesized from tri(allyl)phenylsilane by an alternating sequence of hydrosilylation and allylation steps. Similarly, carbosilane dendrimers containing phenyl-Si groups at the branching points and in the periphery were prepared from tetraallylsilane which was hydrosilylated with PhHSiCl2. Reaction of the phenylated dendrimers with triflic acid in toluene cleanly gave the silyl triflate derivatives, provided that the correct stoichiometry of the reagents was used. In the presence of a large excess of triflic acid the SiMe3-end groups are slowly converted to SiMe2(OTf)-units. The proof of concept was provided by the fixation of a {Ph2PCH2} group using the lithiated diphenylphosphinomethanide Ph2PCH2Li, obtained by cleavage of Ph3SnCH2PPh2 with PhLi, as well as a lithiated ether-alcohol functionalized triphos derivative to the core of a third generation carbosilane dendrimer.
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Affiliation(s)
- Arno Tuchbreiter
- Anorganisch-Chemisches Institut, Universität Heidelberg, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany
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12
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Krempner C, Jäger-Fiedler U, Mamat C, Spannenberg A, Weichert K. Highly reactive oligosilyltriflates—synthesis, structure and rearrangement. NEW J CHEM 2005. [DOI: 10.1039/b408573f] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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13
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Meder MB, Haller I, Gade LH. The fixation of bis(2-pyridylimino)isoindolato (BPI) ligands to dendritic carbosilanes. Dalton Trans 2005:1403-15. [PMID: 15824778 DOI: 10.1039/b501070e] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Bis(2-pyridylimino)isoindolato (BPI) ligands, containing an alkynyl linker unit which allows their fixation to carbosilane dendrimers and dendrons, were synthesized by reaction of 4-nitrophthalodinitrile with 4-butynol giving the phthalodinitrile derivative containing the linker. These were subsequently reacted with two molar equivalents of 2-amino-4-methylpyridine and 2-amino-4-(t)butylpyridine yielding the respective BPI protioligands 2a and 2b. Lithiation with LDA and reaction with Si-Cl or Si-OTf (OTf=triflate) end groups in core or peripheral positions of dendritic carbosilanes gave the endodendrally and expdendrally functionalized dendrimers. Among these the first and second generation dendrimers [G-1](8-exo)-4-[C[triple bond, length as m-dash]CCH2CH2O]-10-MeBPI (8), [G-1]12-exo-4-[C[triple bond, length as m-dash]CCH2CH2O]-10-MeBPI (9) and [G-2](16-exo)-4-[C[triple bond, length as m-dash]CCH2CH2O]-10-MeBPI (10) were synthesized and fully characterized. The functional dendrimers were metallated by reaction with [(PhCN)2PdCl2] in dichloromethane to give the corresponding pallada-dendrimers.
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Affiliation(s)
- Markus B Meder
- Anorganisch-Chemisches Institut, Universität Heidelberg, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany
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14
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Uhlig W. Phenylenbis(silandiyl-triflate) als neuartige Synthesebausteine für vielfältig strukturierte Organosilizium-Polymere. Helv Chim Acta 2004. [DOI: 10.1002/hlca.19940770409] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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15
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Daiss JO, Penka M, Burschka C, Tacke R. The Si-2,4,6-Trimethoxyphenyl Moiety as a Novel Protecting Group in Organosilicon Chemistry: Alternative Synthesis of rac-Sila-venlafaxine. Organometallics 2004. [DOI: 10.1021/om040087n] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jürgen O. Daiss
- Institut für Anorganische Chemie, Universität Würzburg, Am Hubland, D-97074 Würzburg, Germany
| | - Martin Penka
- Institut für Anorganische Chemie, Universität Würzburg, Am Hubland, D-97074 Würzburg, Germany
| | - Christian Burschka
- Institut für Anorganische Chemie, Universität Würzburg, Am Hubland, D-97074 Würzburg, Germany
| | - Reinhold Tacke
- Institut für Anorganische Chemie, Universität Würzburg, Am Hubland, D-97074 Würzburg, Germany
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16
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Berlekamp U, Mix A, Neumann B, Stammler HG, Jutzi P. 2-(Dimethylphosphinomethyl)- and 2-(methylthiomethyl)phenyl silicon compounds: higher coordination with soft donors. J Organomet Chem 2003. [DOI: 10.1016/s0022-328x(02)02164-2] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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17
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Böhme U, Günther B, Rittmeister B. Selective Synthesis of N-Methylanilinooligosilanes. Eur J Inorg Chem 2003. [DOI: 10.1002/ejic.200390104] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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18
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Synthesis, functionalization, and cross-linking reactions of organosilicon polymers using silyl triflate intermediates. Prog Polym Sci 2002. [DOI: 10.1016/s0079-6700(01)00052-1] [Citation(s) in RCA: 41] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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19
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Minge O, Mitzel NW, Schmidbaur H. Synthetic Pathways to Hydrogen-Rich Polysilylated Arenes from Trialkoxysilanes and Other Precursors. Organometallics 2002. [DOI: 10.1021/om0108595] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Oliver Minge
- Anorganisch-chemisches Institut, Technische Universität München, Lichtenbergstrasse 4, D-85747 Garching, Germany
| | - Norbert W. Mitzel
- Anorganisch-chemisches Institut, Technische Universität München, Lichtenbergstrasse 4, D-85747 Garching, Germany
| | - Hubert Schmidbaur
- Anorganisch-chemisches Institut, Technische Universität München, Lichtenbergstrasse 4, D-85747 Garching, Germany
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20
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Akkari-El Ahdab A, Rima G, Gornitzka H, Barrau J. Synthesis and characterization of 2,4,6-tris((dimethylamino)methyl)phenoxysilicon compounds. J Organomet Chem 2001. [DOI: 10.1016/s0022-328x(01)01053-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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21
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Englich U, Graschy S, Hengge E, Hermann U, Marschner C, Mechtler C, Pinter E, Ruhlandt-Senge K, Uhlig F. On some reactions of undecamethylcyclohexasilanyl-substituted silanes. J Organomet Chem 2000. [DOI: 10.1016/s0022-328x(99)00702-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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22
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Molander GA, Corrette CP. Preparation of Novel (Fluoroaryl)silanes and Their Applications in the Organoyttrium-Catalyzed Hydrosilylation of Alkenes and Oxidation to Alcohols. Organometallics 1998. [DOI: 10.1021/om980698d] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Gary A. Molander
- Department of Chemistry and Biochemistry, University of Colorado, Boulder, Colorado 80309-0215
| | - Christopher P. Corrette
- Department of Chemistry and Biochemistry, University of Colorado, Boulder, Colorado 80309-0215
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23
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Maier G, Reisenauer HP, Meudt A. Silylenes of the Elemental Composition C2H4Si2: Generation and Matrix-Spectroscopic Identification. European J Org Chem 1998. [DOI: 10.1002/(sici)1099-0690(199807)1998:7<1291::aid-ejoc1291>3.0.co;2-m] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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24
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Maier G, Reisenauer HP, Meudt A. Silylenes of the Elemental Composition C2H4Si2: Generation and Matrix-Spectroscopic Identification. European J Org Chem 1998. [DOI: 10.1002/(sici)1099-0690(199807)1998:7%3c1291::aid-ejoc1291%3e3.0.co%3b2-m] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
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25
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Castany MH, Lavayssière H, Dousse G. Synthese de Germyl Perfluoroalcanes Sulfonates. Quelques Aspects de Leur Reactivite en Tant Qu' Agent de Germylation. ACTA ACUST UNITED AC 1998. [DOI: 10.1080/00945719809349381] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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26
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Baumeister U, Schenzel K, Zink R, Hassler K. Synthese und eigenschaften funktioneller Tetrasilane und Hexasilane. J Organomet Chem 1997. [DOI: 10.1016/s0022-328x(97)00127-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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27
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Hassler K, Köll W. Synthese und Eigenschaften chlorierter und bromierter Aryltrisilane und Aryltetrasilane. J Organomet Chem 1997. [DOI: 10.1016/s0022-328x(96)06893-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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28
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Richter R, Roewer G, B�hme U, Busch K, Babonneau F, Martin HP, M�ller E. Organosilicon Polymers?Synthesis, Architecture, Reactivity and Applications. Appl Organomet Chem 1997. [DOI: 10.1002/(sici)1099-0739(199702)11:2<71::aid-aoc562>3.0.co;2-n] [Citation(s) in RCA: 77] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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29
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Uhlig W. Funkticonalisierungen und vernetzungsreaktionen an siliciumor-ganischen polymeren. J Organomet Chem 1997. [DOI: 10.1016/s0022-328x(97)00305-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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30
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Söldner M, Schier A, Schmidbaur H. Long-chain alkanes with an internal H2SiSiH2 linkage. J Organomet Chem 1996. [DOI: 10.1016/0022-328x(96)06391-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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31
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SiH-containing cyclosilanes and their behaviour in the dehydrogenative polymerization reaction. J Organomet Chem 1996. [DOI: 10.1016/0022-328x(96)06325-5] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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32
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Uhlig W. Silyl Triflates – Valuable Synthetic Materials in Organosilicon Chemistry. ACTA ACUST UNITED AC 1996. [DOI: 10.1002/cber.19961290702] [Citation(s) in RCA: 54] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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33
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Oöschl U, Siegl H, Hassler K. Synthesis, spectroscopy and structure of phenylated cyclopentasilanes. J Organomet Chem 1996. [DOI: 10.1016/0022-328x(95)05675-f] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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34
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Braddock-Wilking J, Schieser M, Brammer L, Huhmann J, Shaltout R. Synthesis and characterization of sterically hindered diarylsilanes containing 2,4,6-trimethylphenyl and 2,4,6-tris(trifluoromethyl)phenyl substituents. X-ray crystal structure of bis[2,4,6-tris(trifluoromethylphenyl)]fluorosilane. J Organomet Chem 1995. [DOI: 10.1016/0022-328x(95)00327-m] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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35
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Stadelmann B, Lassacher P, Stüger H, Hengge E. Oligosilane mit Fe- oder Mo-Komplexsubstituenten. J Organomet Chem 1994. [DOI: 10.1016/0022-328x(94)88202-9] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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36
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37
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38
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Uhlig W. Zur darstellung neuer organosiliciumpolymere aus speziell substituierten silyltriflatderivaten. J Organomet Chem 1994. [DOI: 10.1016/0022-328x(94)87086-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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39
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Bommers S, Schmidbaur H. A Synthetic Pathway to 1,3-Bis(trisilylmethyl)disiloxane [(H3Si)3CSiH2]2O — the Octasila Analogue of Dineopentyl Ether [(H3C)3CCH2]2O. ACTA ACUST UNITED AC 1994. [DOI: 10.1002/cber.19941270806] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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40
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Maier G, Reisenauer HP, Pacl H. C2H2Si-Isomere: Erzeugung durch gepulste Blitzpyrolyse und matrixspektroskopische Identifizierung. Angew Chem Int Ed Engl 1994. [DOI: 10.1002/ange.19941061226] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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41
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Maier G, Reisenauer HP, Pacl H. C2H2Si Isomers: Generation by Pulsed Flash Pyrolysis and Matrix-Spectroscopic Identification. ACTA ACUST UNITED AC 1994. [DOI: 10.1002/anie.199412481] [Citation(s) in RCA: 43] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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42
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Uhlig W. Bis(trifluormethylsulfonyloxy)organosilicium-Verbindungen als Synthesebausteine für neuartige Siliciumpolymere. ACTA ACUST UNITED AC 1994. [DOI: 10.1002/cber.19941270604] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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43
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Uhlig W, Tretner C. Zur Synthese und Reaktivit�t Triflatsubstituierter Siloxanderivate. Z Anorg Allg Chem 1994. [DOI: 10.1002/zaac.19946200531] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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44
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45
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Tretner C, Zobel B, Hummeltenberg R, Uhlig W. Zur Funktionalisierung oligomerer und polymerer Silylalkine. J Organomet Chem 1994. [DOI: 10.1016/0022-328x(94)80031-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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46
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47
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Uhlig W. Zur reaktivität aminosubstituierter disilane und germylsilane gegenüber trifluormethansulfonsäure. J Organomet Chem 1993. [DOI: 10.1016/0022-328x(93)83400-p] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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48
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Uhlig W. Synthese funktionell substituierter Disilane auf der Basis von Triflatderivaten. Z Anorg Allg Chem 1993. [DOI: 10.1002/zaac.19936190826] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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49
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50
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