Home Physical Sciences 1.2-Verzweigte Carbosiloxan-Dendrimere mit Hauptgruppenelementund Übergangsmetall-modifizierten Oberflächen / 1.2-Branched Carbosiloxane-Dendrimers with Main-Group Element and Transition-Metal Modified Surfaces
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1.2-Verzweigte Carbosiloxan-Dendrimere mit Hauptgruppenelementund Übergangsmetall-modifizierten Oberflächen / 1.2-Branched Carbosiloxane-Dendrimers with Main-Group Element and Transition-Metal Modified Surfaces

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Published/Copyright: June 2, 2014
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Zeitschrift für Naturforschung B
From the journal Zeitschrift für Naturforschung B Volume 54 Issue 6

The preparation of the first and second generation carbosiloxane dendrimers Si[OCH2- CH2CH2 SiMe(OCH2C=CH)2]4 (3) and Si{OCH2H2CH2SiMe[OCH2CH2CH2SiMe(OCH2 - C=CH)2]2}4 (5) by the reaction o f Si(OCH2CH2CH2SiMeCl2)4 (1) or Si[OCH2CH2CH2SiMe- (OCH2CH2CH2SiMeCl2)2]4 (4) with HOCH2C =CH (2) in the presence o f NEt3 is described. Dendrimers 3 and 5 contain propargyloxy units as terminal groups, which can be transferred to Co2((CO)8 (6) to give the hexacarbonyldicobalt functionalized dendritic molecules Si{OCH2CH2CH2[(η-OCH2C=CH)CO2(CO)6]2}4 (7) and Si{OCH2CH2CH2SiMe-(OCH2CH2CH2SiMe[(η-OCH2C=CH)CO2(CO)6]2)2}4 (8).

All compounds were characterized by elemental analyses, spectroscopic studies (IR,1H-, 13C{1H }-, 29Si{1H} NMR) as well as GPC investigations

Keywords: Carbosiloxane; Dendrimer; Propargyloxy Unit; Hexacarbonyldicobalt; Coordination Ability
Received: 1999-1-21
Published Online: 2014-6-2
Published in Print: 1999-6-1

© 1946 – 2014: Verlag der Zeitschrift für Naturforschung

Articles in the same Issue

  1. Decomposition of Ethoxyethynyl(trimethyl)tin - Studied by 119Sn and 13C NMR Spectroscopy
  2. New Stannides CaTSn2 (T = Rh, Pd, Ir) and Ca2Pt3Sn5 - Synthesis, Structure and Chemical Bonding
  3. Synthesis and Structural Study of the Thermochromic Compounds Bis(2-amino-4-oxo-6-methylpyrimidinium) Tetrachlorocuprate(II) and Bis(2-amino-4-chloro-6-methylpyrimidinium) Hexachlorodicuprate(II)
  4. Cascade Reaction of Camphor-Derived Diynes with Transition Metal Compounds
  5. Metallkomplexe mit biologisch wichtigen Liganden, CXIX [1]. Ein tetraedrischer Zink-Komplex (L-terf-Leucin)2ZnCl2 mit Carboxylat-koordiniertem L-terf-Leucin in der / Zwitterform Metal Complexes of Biologically Important Ligands, CXIX [1]. A Tetrahedral Zinc Complex (L-terf-Leucine)2ZnCl2 of Carboxylate Coordinated L-terr-Leucine in the Zwitterionic Form
  6. Untersuchungen zum chemischen Transport intermetallischer Phasen, I: GeTe, SnTe, PbTe / Investigations on the Chemical Transport of Intermetallic Phases, I: GeTe, SnTe, PbTe
  7. Kristallstruktur des „supramolekularen“ Komplexes [K(Benzo-18-krone-6)][Zn(CN)3]*H2O mit einem polymeren kettenförmigen Tricyanozincat-Anion / Crystal Structure of the “Supramolecular” Complex [K(benzo-18-crown-6)][Zn(CN)3] •H2O with a Polymeric Tricyano Zincate Anion with Chain Structure
  8. 1.2-Verzweigte Carbosiloxan-Dendrimere mit Hauptgruppenelementund Übergangsmetall-modifizierten Oberflächen / 1.2-Branched Carbosiloxane-Dendrimers with Main-Group Element and Transition-Metal Modified Surfaces
  9. Darstellung und Kristallstruktur von Triammonium-trisulfimid (NH4)3(NSO2)3 / Preparation and Crystal Structure of Triammonium-trisulfimid (NH4)3(NSO2)3
  10. Synthese und Röntgenstrukturanalyse der ersten terf-Butylcalix[4]arensalze mit einem Phosphonium-Kation / Synthesis and X-Ray Structure Analysis of the First rm-Butylcalix[4]arene Salts with a Phosphonium Cation
  11. Kristallstrukturen und Normalkoordinatenanalyse von trans-(n-Bu4N)2 [ReCl4IX], X = NCS, NCSe / Crystal Structures and Normal Coordinate Analyses of trans-(n-Bu4 N)2[ReCl4 IX], X = NCS, NCSe
  12. Darstellung, 11B-NMR- und Schwingungsspektren von c/s-Monoethylmononitrotetrahydro- c/050-hexaborat(2-) sowie Kristallstruktur von cis (Ph4As)2[B6H4(C2H5)(NO2)] / Synthesis, 11B NMR and Vibrational Spectra of cis-Monoethylmononitrotetrahydroc-closo-hexaborate(2-) and Crystal Structure of cis-(Ph4As)2[B6 H4 (C2H5 )(NO2)]
  13. Complexes of Group 12 Metals with 2-Acetylpyridine 4N-Dimethylthiosemicarbazone and with 2-Acetylpyridine-N-oxide 4N-Dimethylthiosemicarbazone: Synthesis, Structure and Antifungal Activity
  14. Synthesis of Pyrimidine, Thiazolopyrimidine, Pyrimidotriazine and Triazolopyrimidine Derivatives and their Biological Evaluation
  15. SbCI3, BiCl3 and Na+ Complexes of Maleonitrile-Dithiacrown Ethers: Synthesis, Crystal Structures and DEP-MS Experiments
  16. Zatatriol: A New Aromatic Constituent from Zataria multiflora
  17. A Facile Synthesis of Naphthyl-Quinolyl Ethanes and Chromenyl-Quinolyl Ethanes
  18. Microwave-Assisted Oxidation of Alcohols Using Wet Alumina Supported Ammonium Chlorochromate in Solventless System
  19. Die Kristallstruktur von [(THF)LiCl]n / The Crystal Structure of [(THF)LiCl]n
  20. Fixation o f Neutral Molecules in the Binding Cavity of Nonplanar Porphyrins - A Third Dodecaphenylporphyrin Modification with NH -Solvent Hydrogen Bonding
https://doi.org/10.1515/znb-1999-0608
Keywords for this article
Carbosiloxane; Dendrimer; Propargyloxy Unit; Hexacarbonyldicobalt; Coordination Ability

Articles in the same Issue

  1. Decomposition of Ethoxyethynyl(trimethyl)tin - Studied by 119Sn and 13C NMR Spectroscopy
  2. New Stannides CaTSn2 (T = Rh, Pd, Ir) and Ca2Pt3Sn5 - Synthesis, Structure and Chemical Bonding
  3. Synthesis and Structural Study of the Thermochromic Compounds Bis(2-amino-4-oxo-6-methylpyrimidinium) Tetrachlorocuprate(II) and Bis(2-amino-4-chloro-6-methylpyrimidinium) Hexachlorodicuprate(II)
  4. Cascade Reaction of Camphor-Derived Diynes with Transition Metal Compounds
  5. Metallkomplexe mit biologisch wichtigen Liganden, CXIX [1]. Ein tetraedrischer Zink-Komplex (L-terf-Leucin)2ZnCl2 mit Carboxylat-koordiniertem L-terf-Leucin in der / Zwitterform Metal Complexes of Biologically Important Ligands, CXIX [1]. A Tetrahedral Zinc Complex (L-terf-Leucine)2ZnCl2 of Carboxylate Coordinated L-terr-Leucine in the Zwitterionic Form
  6. Untersuchungen zum chemischen Transport intermetallischer Phasen, I: GeTe, SnTe, PbTe / Investigations on the Chemical Transport of Intermetallic Phases, I: GeTe, SnTe, PbTe
  7. Kristallstruktur des „supramolekularen“ Komplexes [K(Benzo-18-krone-6)][Zn(CN)3]*H2O mit einem polymeren kettenförmigen Tricyanozincat-Anion / Crystal Structure of the “Supramolecular” Complex [K(benzo-18-crown-6)][Zn(CN)3] •H2O with a Polymeric Tricyano Zincate Anion with Chain Structure
  8. 1.2-Verzweigte Carbosiloxan-Dendrimere mit Hauptgruppenelementund Übergangsmetall-modifizierten Oberflächen / 1.2-Branched Carbosiloxane-Dendrimers with Main-Group Element and Transition-Metal Modified Surfaces
  9. Darstellung und Kristallstruktur von Triammonium-trisulfimid (NH4)3(NSO2)3 / Preparation and Crystal Structure of Triammonium-trisulfimid (NH4)3(NSO2)3
  10. Synthese und Röntgenstrukturanalyse der ersten terf-Butylcalix[4]arensalze mit einem Phosphonium-Kation / Synthesis and X-Ray Structure Analysis of the First rm-Butylcalix[4]arene Salts with a Phosphonium Cation
  11. Kristallstrukturen und Normalkoordinatenanalyse von trans-(n-Bu4N)2 [ReCl4IX], X = NCS, NCSe / Crystal Structures and Normal Coordinate Analyses of trans-(n-Bu4 N)2[ReCl4 IX], X = NCS, NCSe
  12. Darstellung, 11B-NMR- und Schwingungsspektren von c/s-Monoethylmononitrotetrahydro- c/050-hexaborat(2-) sowie Kristallstruktur von cis (Ph4As)2[B6H4(C2H5)(NO2)] / Synthesis, 11B NMR and Vibrational Spectra of cis-Monoethylmononitrotetrahydroc-closo-hexaborate(2-) and Crystal Structure of cis-(Ph4As)2[B6 H4 (C2H5 )(NO2)]
  13. Complexes of Group 12 Metals with 2-Acetylpyridine 4N-Dimethylthiosemicarbazone and with 2-Acetylpyridine-N-oxide 4N-Dimethylthiosemicarbazone: Synthesis, Structure and Antifungal Activity
  14. Synthesis of Pyrimidine, Thiazolopyrimidine, Pyrimidotriazine and Triazolopyrimidine Derivatives and their Biological Evaluation
  15. SbCI3, BiCl3 and Na+ Complexes of Maleonitrile-Dithiacrown Ethers: Synthesis, Crystal Structures and DEP-MS Experiments
  16. Zatatriol: A New Aromatic Constituent from Zataria multiflora
  17. A Facile Synthesis of Naphthyl-Quinolyl Ethanes and Chromenyl-Quinolyl Ethanes
  18. Microwave-Assisted Oxidation of Alcohols Using Wet Alumina Supported Ammonium Chlorochromate in Solventless System
  19. Die Kristallstruktur von [(THF)LiCl]n / The Crystal Structure of [(THF)LiCl]n
  20. Fixation o f Neutral Molecules in the Binding Cavity of Nonplanar Porphyrins - A Third Dodecaphenylporphyrin Modification with NH -Solvent Hydrogen Bonding
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