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Information card for entry 1505260
Preview
| Coordinates | 1505260.cif |
|---|---|
| Original paper (by DOI) | HTML |
| External links | ChemSpider; PubChem |
| Formula | C20 H26 O4 |
|---|---|
| Calculated formula | C20 H26 O4 |
| SMILES | O[C@]12[C@]3(CC[C@H]4C(CCC=C4[C@H]3OC2=O)(C)C)C=C(C1=O)C(C)C |
| Title of publication | Przewalskin B, a novel diterpenoid with an unprecedented skeleton from Salvia przewalskii maxim. |
| Authors of publication | Xu, Gang; Hou, Ai-Jun; Zheng, Yong-Tang; Zhao, Yu; Li, Xiao-Li; Peng, Li-Yan; Zhao, Qin-Shi |
| Journal of publication | Organic letters |
| Year of publication | 2007 |
| Journal volume | 9 |
| Journal issue | 2 |
| Pages of publication | 291 - 293 |
| a | 6.751 Å |
| b | 11.662 Å |
| c | 23.577 Å |
| α | 90° |
| β | 90° |
| γ | 90° |
| Cell volume | 1856.22 Å3 |
| Cell temperature | 293 ± 2 K |
| Ambient diffraction temperature | 293 ± 2 K |
| Number of distinct elements | 3 |
| 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 | 0.1436 |
| Residual factor for significantly intense reflections | 0.0752 |
| Weighted residual factors for significantly intense reflections | 0.1421 |
| Weighted residual factors for all reflections included in the refinement | 0.1671 |
| Goodness-of-fit parameter for all reflections included in the refinement | 0.91 |
| 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. |
1505260.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. |
1505260.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. |
1505260.cif |
| 120071 | 2014-07-11 | Adding DOIs to range 1 structures. | 1505260.cif |
| 45465 | 2012-03-20 | ../uploads/cif-deposit/cod/cif Adding structures of 1505260 via cif-deposit CGI script. |
1505260.cif |
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Users of the data should acknowledge the original authors of the
structural data.