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  • N-(tri-t-butoxysilyl)-p-nitroaniline, C18H32N2O5Si  (1)
  • Organic Chemistry  (1)
  • synthesis  (1)
  • Wiley-Blackwell  (3)
  • 1
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 332 (1990), S. 229-232 
    ISSN: 0021-8383
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The reaction of c-Si6Me12 with SbCl5 proceeds with cleavage of the methyl groups from silicon and gives c-ClSi6Me11 and c-Cl2Si6Me10 as main products. The molar ratio of those compounds depends on solvent. The same chlorodemethylation reaction takes place if c-Si6Me12 reacts with GaCl3.The reaction with SnCl4 proceeds with cleavage of the Si—Si bonds of polysilane and α,ω-dichloropermethylpolysilanes, with the 1,6-Cl2Si6Me12 as the main product, are formed.
    Additional Material: 1 Tab.
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 620 (1994), S. 377-384 
    ISSN: 0044-2313
    Keywords: One-pot reactions of tri-t-butoxychlorosilane, K-t-butanolate and substituted anilines. Crystal structure analyses of N-(tri-t-butoxysilyl)-aniline, C18H33NO3Si ; N-(tri-t-butoxysilyl)-p-nitroaniline, C18H32N2O5Si ; N-Methyl-(N-tri-t-butoxysilyl)-p-nitroaniline C19H34N2O5Si ; N-(tri-t-butoxysilyl)-p-cyanoaniline, C19H32N2O3Si ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Formation and Structures of N-(tri-t-butoxysilyl)aniline CompoundsPara-substituted N-(tri-t-butoxysilyl)anilines (t-BuO)3SiNRC4H4X-p, R = H, CH3, with substituents of high electron affinity (X = CN, NO2) were prepared by a one-pot reaction of tri-t-butoxychlorsilane, potassium t-butanolate and substituted anilines. Corresponding compounds with substituents of low electron affinity (X = OMe, H) preferably were prepared by metalation of anilines with sodium amide. Four crystal structures were determined. N-(tri-t-butoxysilyl)-p-nitro-aniline, N-methyl-(N-tri-t-butoxysilyl)-p-nitroaniline and N-(tri-t-butoxysilyl)-p-cyanoaniline crystallize at 298 K monoclinically, N-(tri-t-butoxysilyl)aniline crystallizes orthorhombically.
    Notes: Derivate des para-substituierten N-(Tri-t-butoxysilyl)anilins (t-BuO)3SiNRC6H4X-p, R = H, CH3 mit Substituenten hoher Elektronenaffinität (X = CN, NO2) wurden nach einem neuen Eintopfverfahren aus Tri-t-butoxychlorsilan, Kalium-t-butanolat und dem entsprechend substituierten Anilin dargestellt. Für Substituenten niederer Elektronenaffinität (X = OMe, H) wird die Methode der Metallierung von Anilinen mit Natriumamid bevorzugt. Vier Kristallstrukturen wurden bestimmt. N-(Tri-t-butoxysilyl)-p-nitroanilin, N-Methyl-(N-tri-t-butoxysilyl)-p-nitroanilin und N-(Tri-t-butoxysilyl)-p-cyanoanilin kristallisieren bei 298 K monoklin, N-(Tri-t-butoxysilyl)anilin kristallisiert orthorhombisch.
    Additional Material: 4 Ill.
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  • 3
    ISSN: 0044-2313
    Keywords: Gold ; thiolate complex ; synthesis ; structure ; X-ray ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Beiträge zur Chemie der Silicium-Schwefel-Verbindungen. 65. Darstellung, Kristall- und Molekülstruktur von cyclo-Tetrakis[tri-tert-butoxysilanthiolatogold(I)], [(t-C4H9O)3SiSAu]4, dem ersten Komplex mit einem Au4S4-Ring-SystemDie Darstellung des ersten Silanthiolato-Goldkomplexes - cyclo-Tetrakis[tri-tert-butoxysilanthiolatogold(I)] - ist beschrieben. Die Kristallstruktur wurde bei 200 K an einem farblosen, orthorhombischen Prisma bestimmt. Bei 187 K wurde eine reversible Phasenumwandlung beobachtet. Das Zentrum des Moleküls ist ein gefalteter Au4S4-Achtring mit alternierender Abfolge aus dreifach koordinierten Schwefel- und zweifach koordinierten Goldatomen. Charakteristische Abstände und Winkel: Au—S 228,4 und 229,6 pm, Si—S 216,9 pm, S—Au—S 178,8° und 178,3°, Au—S—Au 90,3°, Si—S—Au 103,7° und 101,9°. Der kürzeste Abstand zwischen zwei Goldatomen beträgt 324,8 pm.
    Notes: The preparation of the first silanethiolate complex of gold, cyclo-tetrakis[tri-tert-butoxysilanethiolatogold(I)] from tri-tert-butoxysilanethiol and tetrachloroauric acid is described. The compound forms colorless orthorhombic crystals, and the molecular structure was determined at 200 K by single crystal X-ray diffraction. At 187 K, a possible, reversible phase transition is observed. The center of the molecule is a distinctly folded eight-membered Au4S4 ring of alternating three-fold coordinated sulfur and two-fold coordinated gold atoms. The relevant bond lengths and angles are: Au—S 228.4 and 229.6 pm, Si—S 216.9 pm, S—Au—S 178.8° and 178.3°, Au—S—Au 90.3°, Si—S—Au 103.7° and 101.9°. The gold atoms are separated by 324.8 pm.
    Additional Material: 4 Ill.
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