Crystallography Open Database





Information card for 7151834

7151833 << 7151834 >> 7151835

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Coordinates

7151834.cif

Structure parameters

Formula - C20 H22 O6 -
Calculated formula - C20 H22 O6 -
Title of publication Total synthesis of novel D-ring-modified triptolide analogues: structure-cytotoxic activity relationship studies on the D-ring of triptolide.
Authors of publication Zhou, Bing; Li, Xiaomei; Tang, Huanyu; Miao, Zehong; Feng, Huijin; Li, Yuanchao
Journal of publication Organic &amp; biomolecular chemistry
Year of publication 2011
Journal volume 9
Journal issue 9
Pages of publication 3176 - 3179
a 9.3443 ± 0.0007 Å
b 11.4954 ± 0.0008 Å
c 16.1665 ± 0.0011 Å
α 90°
β 90°
γ 90°
Cell volume 1736.5 ± 0.2 Å3
Cell temperature 293 ± 2 K
Ambient diffraction temperature 293 ± 2 K
Number of distinct elements 3
Hermann-Mauguin symmetry space group P 21 21 21
Hall symmetry space group P 2ac 2ab
Residual factor for all reflections 0.041
Residual factor for observed reflections 0.039
Weighted residual factors for the observed reflections 0.1035
Weighted residual factors for all reflections included in the refinement 0.1055
Goodness-of-fit parameter for observed reflections 1.021
Diffraction radiation wavelength 0.71073 Å
Diffraction radiation type MoKα
Has coordinates Yes
Has disorder No
Has Fobs No

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