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Information card for entry 1506249
Preview
| Coordinates | 1506249.cif |
|---|---|
| Original paper (by DOI) | HTML |
| External links | ChemSpider; PubChem |
| Formula | C15 H10 N2 O |
|---|---|
| Calculated formula | C15 H10 N2 O |
| SMILES | O=c1n2Cc3cc4c(nc3c2ccc1)cccc4 |
| 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 | 13.961 ± 0.002 Å |
| b | 4.8222 ± 0.0007 Å |
| c | 17.468 ± 0.003 Å |
| α | 90° |
| β | 108.14 ± 0.002° |
| γ | 90° |
| Cell volume | 1117.5 ± 0.3 Å3 |
| 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 | 0.0983 |
| Residual factor for significantly intense reflections | 0.0544 |
| Weighted residual factors for significantly intense reflections | 0.126 |
| Weighted residual factors for all reflections included in the refinement | 0.1522 |
| Goodness-of-fit parameter for all reflections included in the refinement | 1.001 |
| Diffraction radiation wavelength | 0.71073 Å |
| Diffraction radiation type | MoKα |
| Has coordinates | Yes |
| Has disorder | No |
| Has Fobs | No |
| Revision | Date | Message | Files |
|---|---|---|---|
| 301775 (current) | 2025-08-18 | Add cross-references to PubChem compounds in COD range 1/50 Each referenced PubChem compound corresponds to the full crystal structure. |
1506249.cif |
| 201954 | 2017-10-13 | cif/ Marking COD entries in range 1 that are known to be related to ChemSpider entries using the _cod_related_entry data loop. |
1506249.cif |
| 176729 | 2016-02-18 | cif/ (antanas@echidna.ibt.lt) Replacing _[local]_cod_* tags with their equivalents from the COD CIF dictionary in multiple entries in range 1. |
1506249.cif |
| 120071 | 2014-07-11 | Adding DOIs to range 1 structures. | 1506249.cif |
| 48122 | 2012-03-26 | ../uploads/cif-deposit/cod/cif Adding structures of 1506249 via cif-deposit CGI script. |
1506249.cif |
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Users of the data should acknowledge the original authors of the
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