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rac-(1S,2R)-Diethyl 6-hydroxy-1-(4-methoxyphenyl)-3-oxo-2,3-dihydro-1H-benzo[f]chromen-2-yl]phosphonate
In the title compound, C(24)H(25)O(7)P, the δ-valerolactonyl ring exists in a distorted screw-boat conformation with the diethoxyphosphoryl substituent occupying an axial position. The latter adopts an almost syn-periplanar conformation around the P—C bond. The molecules form centrosymmetric dimer...
| Autores principales: | , , , |
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| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
International Union of Crystallography
2008
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2961657/ https://www.ncbi.nlm.nih.gov/pubmed/21202876 http://dx.doi.org/10.1107/S1600536808015857 |