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  • 11
    Electronic Resource
    Electronic Resource
    Crystal structure of 2-chloroacetamide (α form): A reinvestigation (1978)
    Springer
    Journal of chemical crystallography 8 (1978), S. 175-181 
    Details
    ISSN: 1572-8854
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract The crystal structure of the α form of 2-chloroacetamide, grown by sub-limation, has been determined from three-dimensional counter data and refined by full-matrix least-squares techniques. The crystals belong to the monoclinic space groupP21/c witha=10.263(8),b=5.142(5),c=7.458(6) Å, β=98.72(4) °, andD x=1.60 g cm−3 forZ=4. The finalR factor for 518 observed reflections is 0.037. The molecule exists as a hydrogen-bonded dimer in the crystal structure. The configuration of atoms C(1), C(2), O, and N is planar to within 0.008 Å, and the Cl—C(1)—C(2)—O dihedralangle equals 168 °. The dimeric hydrogen bonding as well as the CH2 conformation favors the stabilization of a transient oxygen-centered radical.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01297661
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  • 12
    Electronic Resource
    Electronic Resource
    NMR chemical shift assignments for 7′-substituted aromatic-7′-apo-β-caro-tenes (1993)
    Chichester : Wiley-Blackwell
    Organic Magnetic Resonance 31 (1993), S. 516-517 
    Details
    ISSN: 0749-1581
    Keywords: 1H NMR ; 13C NMR ; 2D NMR ; Carotenoids ; 7′Substituted aryl-7′-apo-β-carotenes ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Chemical shifts of all protons at 8.46 T and 13C atoms are presented for substituted 7′-aryl-7′-apo-β-carotenes, where aryl = C6H5, 4-C6H4NO2, 4-C6H4OCH3, 4-C6H4CO2CH3, C6F5 and 2,4,6-C6H2(CH3)3. Assignments were established by NOE, COSY, HMBC and HETCOR studies.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mrc.1260310519
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