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  • Aluminum  (2)
  • Springer  (2)
  • Oxford University Press
  • 1
    Electronic Resource
    Electronic Resource
    Chelated aluminum alkoxides (2000)
    Springer
    Journal of chemical crystallography 30 (2000), S. 219-222 
    Details
    ISSN: 1572-8854
    Keywords: Aluminum ; alkoxide ; five-coordinate ; six-coordinate
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract The present contribution will demonstrate that monomeric alkoxide compounds can be formed by the use of the Salen(tBu) ligand. These alkoxides, LAlOR (with L=Salen (tBu), R=Me (1), Salomphen(tBu), R=Me (3) and L=Salen(tBu), R=Et (4)) feature five-coordinate monomeric aluminum (Salen(tBu)=N,N′-ethylenebis(3,5-di-tert-butylsalicylideneimine) and Salomphen(tBu)=N,N′-(4,5-di-methyl)phenylenenebis(3,5-di-tert-butylsalicylideneimine). Crystallization of 1 from MeOH affords the six-coordinate complex, Salen(tBu)AlOMe(MeOH) (2). The manner in which these compounds may be obtained, as well as the structures of 2 and 4 will be described
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1009530803852
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  • 2
    Electronic Resource
    Electronic Resource
    Chiral five- and six-coordinate aluminum (2000)
    Springer
    Journal of chemical crystallography 30 (2000), S. 215-218 
    Details
    ISSN: 1572-8854
    Keywords: Aluminum ; cation ; Lewis acid ; six-coordinate
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract The chiral five-coordinate halide compound, Salcen(tBu)AlCl (1) (Salcen = N,N′-cyclohexylenebis(3, 5-di-tert-butylsalicylideneimine) can be used in a salt elimination reaction to produce [R,R'Salcen(tBu)AlOTs] (2) as well as the chiral cationic complex, [R,R'Salcen (tBu)Al(thf)2]+ BPh4 − (3). The conditions under which these types of neutral and cationic complexes form will be discussed. This should provide guidance for the eventual use of the cations as strongly Lewis acidic catalysts and organic synthetic reagents.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1009547519781
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