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Crystal and molecular structure of 2-(p-tolyl)-2-dehydrosparteine

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Abstract

The formula of the title compound is C22H30N2,M T =322.5; monoclinic:P21,a=7.569(3),b=9.381(1),c=13.684(4) Å,β=105.81(2)°,Z=2,V c =933.7 Å3,D x =1.15 g cm−3,μ(CuKα)=5.1 cm−1. The sparteine skeleton (bis-quinolizidine system) has atrans-trans configuration. RingA has an intermediate form between the sofa and half-chair conformations, ringsB andD-chair, and ringC-boat conformations, respectively. The double bond C(2)=C(3) is equal to 1.343(9) Å. The phenyl ring is planar and makes an angle with a plane through N(1), C(2), C(3), and C(4) atoms equal to 43.9°.

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Authors and Affiliations

  1. Faculty of Chemistry, Adam Mickiewicz University, Grunwaldzka 6, 60-780, Poznan, Poland

    Hanna Małuszyńska, Władysław Boczoń & Zygmunt Kałuski

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  1. Hanna Małuszyńska
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  2. Władysław Boczoń
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  3. Zygmunt Kałuski
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Małuszyńska, H., Boczoń, W. & Kałuski, Z. Crystal and molecular structure of 2-(p-tolyl)-2-dehydrosparteine. Journal of Crystallographic and Spectroscopic Research 16, 687–694 (1986). https://doi.org/10.1007/BF01181252

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