Crystallography Open Database





Information card for 7151833

7151832 << 7151833 >> 7151834

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Coordinates

7151833.cif

Structure parameters

Formula - C21 H26 O3 -
Calculated formula - C21 H26 O3 -
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 9.5128 ± 0.0008 Å
b 7.9036 ± 0.0007 Å
c 12.3434 ± 0.001 Å
α 90°
β 109.552 ± 0.001°
γ 90°
Cell volume 874.53 ± 0.13 Å3
Cell temperature 293 ± 2 K
Ambient diffraction temperature 293 ± 2 K
Number of distinct elements 3
Hermann-Mauguin symmetry space group P 1 21 1
Hall symmetry space group P 2yb
Residual factor for all reflections 0.0493
Residual factor for observed reflections 0.0472
Weighted residual factors for the observed reflections 0.1288
Weighted residual factors for all reflections included in the refinement 0.1314
Goodness-of-fit parameter for observed reflections 1.043
Diffraction radiation wavelength 0.71073 Å
Diffraction radiation type MoKα
Has coordinates Yes
Has disorder No
Has Fobs No

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