You are here:
| Reference : Détermination de la Structure Cristalline et de la Configuration Absolue du Bromhydrate ... |
| Scientific journals : Article | |||
| Physical, chemical, mathematical & earth Sciences : Physics Human health sciences : Pharmacy, pharmacology & toxicology | |||
| http://hdl.handle.net/2268/36482 | |||
| Détermination de la Structure Cristalline et de la Configuration Absolue du Bromhydrate d'Usambarensine | |
| French | |
| [en] Crystal Structure and Absolute Configuration of Usambarensine Hydrobromide | |
| Dideberg, Otto [ > > ] | |
| Dupont, Léon [ > > ] | |
Angenot, Luc  [Université de Liège - ULg > Département de pharmacie > Pharmacognosie >] | |
| 1975 | |
| Acta Crystallographica. Section B-Structural Crystallography and Crystal Chemistry | |
| Munksgaard International Publishers | |
| B31 | |
| 6 | |
| 1571-1575 | |
| International | |
| 0567-7408 | |
| Copenhagen | |
| Denmark | |
| [en] Usambarensine Hydrobromide ; Strychnos usambarensis ; X-Ray diffraction ; Absolute configuration | |
| [en] Usambarensine is a bisindolinic alkaloid found in the bark of Strychnos usambarensis roots. The crystal and molecular structure of usambarensine.2HBr.2H2O has been solved by direct methods thanks to a Hilger-Watts four-circle diffractometer. The crystals are monoclinic; refinement of the parameters was carried out with 2459 reflexions. The absolute configuration of the molecule, determined by X-ray anomalous scattering, confirms the 3 alpha cis configuration ( 11alpha cis, IUPAC) assigned earlier by spectral, chromatographic and biogenetic data.This configuration seems dependent on the presence of an ethylidenic chain in the corynane part of the molecule. | |
| http://hdl.handle.net/2268/36482 |
| File(s) associated to this reference | ||||||||||||||
|
Fulltext file(s):
| ||||||||||||||
All documents in ORBi are protected by a user license.
