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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Macromolecular Chemistry and Physics 195 (1994), S. 391-399 
    ISSN: 1022-1352
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The synthesis of several dibenzo-18-crown-6 derivatives, and their acid catalyzed incorporation into crosslinked styrene and 4-methoxystyrene based copolymers is described. Some of these reactions were carried out in the presence of chiral ammonium cations acting as non-covalent templates. The polymers have been characterized by IR, and by 1H and 13C solution state and magic angle spinning NMR.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Chichester [u.a.] : Wiley-Blackwell
    Journal of Raman Spectroscopy 2 (1974), S. 209-215 
    ISSN: 0377-0486
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Raman spectra of H2S isolated in N2 at M/A ratios of 30, 50, 100, and 300 and in Ar at M/A ratios of 50, 100, 300, and 1000 have been measured in the S-H stretching region. The spectral results confirm the infrared measurements on H2S isolated in N2; however, the symmetric stretching vibration, v1, of the H2S monomer is at about the same frequency, 2619 cm-1, in the spectra of Ar matrices. This disagrees with previous infrared measurements of Ar matrices. Raman bands in the spectra of both N2 and Ar matrices due to a dimer of H2S are consistent with those observed in the infrared spectrum of N2 matrices, and they support a donor-acceptor model for the dimer.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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