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Information card for entry 1555182
Preview
| Coordinates | 1555182.cif |
|---|---|
| Original paper (by DOI) | HTML |
| Formula | C25 H18 O5 |
|---|---|
| Calculated formula | C25 H18 O5 |
| SMILES | O1c2c([C@H](c3ccc(OC)cc3)[C@@]31C(=O)c1c(cc(cc1)C)C3)cc1OCOc1c2 |
| Title of publication | Asymmetric synthesis of spiro-structural 2,3-dihydrobenzofurans via the bifunctional phosphonium salt-promoted [4 + 1] cyclization of ortho-quinone methides with α-bromoketones |
| Authors of publication | Zhang, Song; Yu, Xiaojun; Pan, Jianke; Jiang, Chunhui; Zhang, Hongsu; Wang, Tianli |
| Journal of publication | Organic Chemistry Frontiers |
| Year of publication | 2019 |
| Journal volume | 6 |
| Journal issue | 22 |
| Pages of publication | 3799 |
| a | 11.6007 ± 0.0008 Å |
| b | 5.7368 ± 0.0005 Å |
| c | 15.0074 ± 0.001 Å |
| α | 90° |
| β | 101.62 ± 0.007° |
| γ | 90° |
| Cell volume | 978.29 ± 0.13 Å3 |
| Cell temperature | 293.8 ± 0.4 K |
| Ambient diffraction temperature | 293.8 ± 0.4 K |
| Number of distinct elements | 3 |
| Space group number | 4 |
| Hermann-Mauguin space group symbol | P 1 21 1 |
| Hall space group symbol | P 2yb |
| Residual factor for all reflections | 0.0635 |
| Residual factor for significantly intense reflections | 0.0579 |
| Weighted residual factors for significantly intense reflections | 0.1605 |
| Weighted residual factors for all reflections included in the refinement | 0.1702 |
| Goodness-of-fit parameter for all reflections included in the refinement | 1.039 |
| Diffraction radiation probe | x-ray |
| Diffraction radiation wavelength | 1.54184 Å |
| Diffraction radiation type | CuKα |
| Has coordinates | Yes |
| Has disorder | No |
| Has Fobs | No |
| Revision | Date | Message | Files |
|---|---|---|---|
| 238373 (current) | 2019-11-24 | cif/ Adding structures of 1555182 via cif-deposit CGI script. |
1555182.cif |
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Users of the data should acknowledge the original authors of the
structural data.