Information card for entry 7160546

Structure parameters

• Formula: C26 H24 N2 O5
• Calculated formula: C26 H24 N2 O5
• Title of publication: Squaramide-catalyzed aza-Michael/Michael cyclization cascade reaction: one-pot enantioselective construction of highly functionalized γ-lactams.
• Authors of publication: Wu, Sheng-Feng; Wang, Zhi-Yuan; Sun, Xing-Wen
• Journal of publication: Organic & biomolecular chemistry
• Year of publication: 2025
• Journal volume: 23
• Journal issue: 22
• Pages of publication: 5373 - 5379
• a: 11.97 ± 0.002 Å
• b: 20.271 ± 0.004 Å
• c: 27.852 ± 0.005 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 6758 ± 2 ų
• Cell temperature: 173 ± 2 K
• Ambient diffraction temperature: 173 ± 2 K
• Number of distinct elements: 4
• Space group number: 19
• Hermann-Mauguin space group symbol: P 21 21 21
• Hall space group symbol: P 2ac 2ab
• Residual factor for all reflections: 0.0985
• Residual factor for significantly intense reflections: 0.0577
• Weighted residual factors for significantly intense reflections: 0.1452
• Weighted residual factors for all reflections included in the refinement: 0.186
• Goodness-of-fit parameter for all reflections included in the refinement: 1.083
• Diffraction radiation wavelength: 1.34139 Å
• Diffraction radiation type: GaKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No