Information card for entry 1577001

Structure parameters

• Formula: C17 H18 N2 O3
• Calculated formula: C17 H18 N2 O3
• Title of publication: From alkynes to spiroindole δ-lactams via a copper-nitrenoid intermediate featuring unusual 1,1-addition and high Z-selectivity
• Authors of publication: Ren, Zhiqiang; Feng, Tianhui; Li, Yeyao; Chu, Mengyi; Zheng, Ye; Gao, Tianli; Han, Bo; Guo, Ruili; Ma, Haojie; Wang, Ji-Jiang; Zhang, Yuqi
• Journal of publication: Chemical Science
• Year of publication: 2026
• a: 10.1923 ± 0.0008 Å
• b: 12.3323 ± 0.001 Å
• c: 13.0563 ± 0.0011 Å
• α: 90°
• β: 109.121 ± 0.003°
• γ: 90°
• Cell volume: 1550.6 ± 0.2 ų
• Cell temperature: 243 K
• Ambient diffraction temperature: 243 K
• Number of distinct elements: 4
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/n 1
• Hall space group symbol: -P 2yn
• Residual factor for all reflections: 0.0399
• Residual factor for significantly intense reflections: 0.0387
• Weighted residual factors for significantly intense reflections: 0.105
• Weighted residual factors for all reflections included in the refinement: 0.1067
• Goodness-of-fit parameter for all reflections included in the refinement: 1.056
• Diffraction radiation wavelength: 1.54178 Å
• Diffraction radiation type: CuKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No