X-ray-diffraction Study of (+/-)-5-alpha-[2'-hydroxy-1'-methoxycarbonyl-2'-(3'',4'',5''-trimethoxyphenyl)ethyl]-4-alpha-(3'''-4'''-methylenedioxyphenyl)-2-alpha-phenyl-1,3-dioxane

Piccinnileopardi, C.;Declercq, Jean-Paul;Germain, Gabriel;Vanmeerssche, M.;Vandewalle, M.;et.al.
(1984) Societes Chimiques Belges. Bulletin — Vol. 93, n° 12, p. 1047-1051 (1984)

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  • Piccinnileopardi, C.
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  • Declercq, Jean-PaulUCLouvain
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  • Germain, GabrielUCLouvain
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  • Vanmeerssche, M.
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  • Vandewalle, M.
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Abstract
<jats:title>Abstract</jats:title><jats:p>C<jats:sub>30</jats:sub>H<jats:sub>32</jats:sub>O<jats:sub>10</jats:sub>, monoclinic, <jats:italic>P</jats:italic>2<jats:sub>1</jats:sub>/<jats:sub><jats:italic>c</jats:italic></jats:sub>, <jats:italic>a</jats:italic> = 12.932(5), <jats:italic>b</jats:italic> = 9.670(6), <jats:italic>c</jats:italic> = 23.276(13)Å, β = 103.87(4), ν = 2825.9(25)Å<jats:sup>3</jats:sup>, <jats:italic>M<jats:sub>r</jats:sub></jats:italic> = 552.58, Z = 4, <jats:italic>D<jats:sub>x</jats:sub> =</jats:italic> 1.30 mg cm<jats:sup>−3</jats:sup>. The structure was solved by direct methods (MULTAN 80) and refined (SHELX 76) to a final <jats:italic>R</jats:italic> value of 0.056 for 2344 observed reflections.</jats:p><jats:p>The dioxane ring has a chair conformation. On this ring, two substituents, the phenyl and the methylenedioxyphenyl groups, are in equatorial positions while the substituted ethyl fragment is axial.</jats:p>
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Piccinnileopardi, C., Declercq, J.-P., Germain, G., Vanmeerssche, M., Vandereycken, J., Declercq, P., & Vandewalle, M. (1984). X-ray-diffraction Study of (+/-)-5-alpha-[2′-hydroxy-1′-methoxycarbonyl-2′-(3″,4″,5″-trimethoxyphenyl)ethyl]-4-alpha-(3‴-4‴-methylenedioxyphenyl)-2-alpha-phenyl-1,3-dioxane. Societes Chimiques Belges. Bulletin, 93(12), 1047-1051. https://doi.org/10.1002/bscb.19840931203 (Original work published 1984)