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Crystal and molecular structure of 17-β-methyl-α-isolupanine perchlorate (1980)

Małuszyńska, Hanna ; Skrzypczak-Jankun, Ewa ; Perkowska, Anna ; [et al.]

Springer

Journal of chemical crystallography 10 (1980), S. 75-81

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ISSN: 1572-8854

Source: Springer Online Journal Archives 1860-2000

Topics: Geosciences , Physics

Notes: Abstract The formula of the title compound is C16H27ClN2O5,P21/a = 8.348(1),b = 10.127(1),c = 11.264(2) Å, β = 116.42(1) °,Z = 2,D x = 1.41 g cm−3,V c = 852.8(2) Å3,MW = 362.9, μ (CuKα) = 2.25 mm−1. The structure was solved by direct methods and refined by full-matrix least squares to anR value of 0.055 for 1197 reflections. The cation consists of twotrans quinolizidine systems. RingA is a distorted half-chair, and the remaining rings are chairs. The CH3 group attached to C(17) is in the axial position. There is a weak hydrogen bond between N(16) and O(2) of the ClO 4 − group with N(16) ... O(2) distance 2.968(7) Å.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF01387368

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