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  • The structures of the free-radical scavenger 1,1,3,3-tetramethylisoindolin-2-yloxyl, and of the alkoxy amine derivative 5-(1,1,3,3-tetramethylisoindolin-2-yloxy)-1-vinylpyrrolidin-2-one

    Author(s)
    BUSFIELD, WK
    ENGELHARDT, LM
    HEALY, PC
    JENKINS, ID
    THANG, SH
    WHITE, AH
    Griffith University Author(s)
    Jenkins, Ian D.
    Healy, Peter C.
    Year published
    1986
    Metadata
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    Abstract
    The structures of the title nitroxide , C12H16NO (1), and the alkoxy amine derivative, C18H24N2O2 (2), have been determined by single-crystal X-ray structural analyses. Crystals of (1) are monoclinic, space group Cc with a 11.585(6), b 11.697(10), c 16.753(8)?, ߠ94.33(6)ଠZ 8; R was 0.064 for 1226 independent reflections. The -C(NO)C- group is essentially planar (sum trigonal angles 359.9, 359.9ଠas is the five- membered ring. The N-O distances are 1.249(6), 1.252(8)?. Crystals of (2) are monoclinic, space group P21/c, a 8.295(2), b 13.567(5), c 15.294(3)?, ߠ98.82(2)ଠZ 4; R was 0.051 for 1445 independent reflections. By contrast ...
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    The structures of the title nitroxide , C12H16NO (1), and the alkoxy amine derivative, C18H24N2O2 (2), have been determined by single-crystal X-ray structural analyses. Crystals of (1) are monoclinic, space group Cc with a 11.585(6), b 11.697(10), c 16.753(8)?, ߠ94.33(6)ଠZ 8; R was 0.064 for 1226 independent reflections. The -C(NO)C- group is essentially planar (sum trigonal angles 359.9, 359.9ଠas is the five- membered ring. The N-O distances are 1.249(6), 1.252(8)?. Crystals of (2) are monoclinic, space group P21/c, a 8.295(2), b 13.567(5), c 15.294(3)?, ߠ98.82(2)ଠZ 4; R was 0.051 for 1445 independent reflections. By contrast to (1) the geometry about the nitrogen atom is pyramidal (sum trigonal angles 328੬ and the corresponding five-membered ring has an envelope conformation with a nitrogen displacement of 0.45?. The N-O distance is 1.439(4)?. The high-resolution solid state 13C n.m.r . spectrum of (2) is discussed in relation to the X-ray structure.
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    Journal Title
    Australian Journal of Chemistry
    Volume
    39
    DOI
    https://doi.org/10.1071/CH9860357
    Subject
    Chemical sciences
    Engineering
    Publication URI
    http://hdl.handle.net/10072/25007
    Collection
    • Journal articles

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