Information card for entry 1506250

Structure parameters

• Formula: C16 H12 N2 O2
• Calculated formula: C16 H12 N2 O2
• SMILES: O=c1n2c(ccc1)c1nc3c(OC)cccc3cc1C2
• Title of publication: Synthesis of the parent and substituted tetracyclic ABCD ring cores of camptothecins via 1-(3-aryl-2-propynyl)- 1,6-dihydro-6-oxo-2-pyridinecarbonitriles.
• Authors of publication: Dai, Weixiang; Petersen, Jeffrey L.; Wang, Kung K.
• Journal of publication: Organic letters
• Year of publication: 2006
• Journal volume: 8
• Journal issue: 20
• Pages of publication: 4665 - 4667
• a: 7.164 ± 0.0009 Å
• b: 20.24 ± 0.003 Å
• c: 9.0634 ± 0.0013 Å
• α: 90°
• β: 110.805 ± 0.002°
• γ: 90°
• Cell volume: 1228.5 ± 0.3 ų
• Cell temperature: 295 ± 2 K
• Ambient diffraction temperature: 295 ± 2 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: 0.1068
• Residual factor for significantly intense reflections: 0.0496
• Weighted residual factors for significantly intense reflections: 0.1168
• Weighted residual factors for all reflections included in the refinement: 0.1397
• Goodness-of-fit parameter for all reflections included in the refinement: 1.011
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No