Information card for entry 7124352

Structure parameters

• Formula: C20 H19 N O4
• Calculated formula: C20 H19 N O4
• Title of publication: An unexpected cascade reaction of 3-hydroxyoxindoles with coumarin-3-carboxylates to construct 2,3-dihydrobenzofuran spirooxindoles
• Authors of publication: Zhang, Kuan; Han, Hua-Bin; Wang, Lele; Zhang, Ziying; Wang, Qi-Lin; Zhang, Wenjing; Bu, Zhanwei
• Journal of publication: Chemical Communications
• Year of publication: 2019
• a: 5.85118 ± 0.00012 Å
• b: 10.3913 ± 0.00017 Å
• c: 28.5036 ± 0.0005 Å
• α: 90°
• β: 94.0443 ± 0.0018°
• γ: 90°
• Cell volume: 1728.74 ± 0.05 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 4
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/c 1
• Hall space group symbol: -P 2ybc
• Residual factor for all reflections: 0.0516
• Residual factor for significantly intense reflections: 0.0432
• Weighted residual factors for significantly intense reflections: 0.1137
• Weighted residual factors for all reflections included in the refinement: 0.1221
• Goodness-of-fit parameter for all reflections included in the refinement: 1.031
• Diffraction radiation probe: x-ray
• Diffraction radiation wavelength: 1.54184 Å
• Diffraction radiation type: CuKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No