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rac‐Diethyl [(1S,2R)‐1‐(4‐bromophenyl)‐6‐hydroxy‐3‐oxo‐2,3‐dihydro‐1H‐benzo[f]chromen‐2‐yl]phosphonate
| Content Provider | Semantic Scholar |
|---|---|
| Author | Krawczyk, Henryk Albrecht, Łukasz Wojciechowski, Jakub Wolf, Wojciech M. |
| Copyright Year | 2007 |
| Abstract | In the title compound, C23H22BrO6P, the δ-valerolactone ring adopts a distorted screw-boat conformation, with the diethoxyphosphoryl substituent occupying an axial position. An unusual eclipsed conformation is found for the P—C bond. The molecules form centrosymmetric dimers connected by O—H⋯O hydrogen bonds. One of the methyl groups is disordered, with site occupancies of ca 0.8:0.2. |
| File Format | PDF HTM / HTML |
| DOI | 10.1107/S1600536807045576 |
| Volume Number | 63 |
| Alternate Webpage(s) | http://journals.iucr.org/e/issues/2007/10/00/bt2512/bt2512.pdf |
| Alternate Webpage(s) | https://doi.org/10.1107/S1600536807045576 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
