Information card for entry 7150942

Structure parameters

• Formula: C20 H15 N3 O4
• Calculated formula: C20 H15 N3 O4
• Title of publication: Polar [3 + 2] cycloaddition of ketones with electrophilically activated carbonyl ylides. Synthesis of spirocyclic dioxolane indolinones
• Authors of publication: Bentabed-Ababsa, Ghenia; Derdour, Aicha; Roisnel, Thierry; Sáez, Jose A.; Domingo, Luis R.; Mongin, Florence
• Journal of publication: Organic & Biomolecular Chemistry
• Year of publication: 2008
• Journal volume: 6
• Journal issue: 17
• Pages of publication: 3144 - 3157
• a: 9.0017 ± 0.0012 Å
• b: 9.2015 ± 0.0012 Å
• c: 11.8723 ± 0.0016 Å
• α: 84.823 ± 0.007°
• β: 69.598 ± 0.007°
• γ: 70.128 ± 0.006°
• Cell volume: 866.4 ± 0.2 ų
• Cell temperature: 100 ± 2 K
• Ambient diffraction temperature: 100 ± 2 K
• Number of distinct elements: 4
• Space group number: 2
• Hermann-Mauguin space group symbol: P -1
• Hall space group symbol: -P 1
• Residual factor for all reflections: 0.0632
• Residual factor for significantly intense reflections: 0.0519
• Weighted residual factors for significantly intense reflections: 0.13
• Weighted residual factors for all reflections included in the refinement: 0.1371
• Goodness-of-fit parameter for all reflections included in the refinement: 1.046
• Diffraction radiation probe: x-ray
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No