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Natural Product Research
Formerly Natural Product Letters
Volume 18, 2004 - Issue 2
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Original Articles

Two novel steroids from Euphorbia officinarum latex

Mourad Daoubi Laboratoire de Chimie des Substances Naturelles et Hétérocycles, Université Cadi Ayyad, Faculté des Sciences Semlalia, B.P.:2390, Marrakech, Morocco
,
Ahmed Benharref Laboratoire de Chimie des Substances Naturelles et Hétérocycles, Université Cadi Ayyad, Faculté des Sciences Semlalia, B.P.:2390, Marrakech, Morocco
,
R. Hernandez-Galán Departamento de Química Orgánica, Facultad de Ciencias, Universidad de Cádiz, Apartado 40, 11510 Puerto Real, Cádiz, Spain
,
Antonio J. Macías-Sánchez Departamento de Química Orgánica, Facultad de Ciencias, Universidad de Cádiz, Apartado 40, 11510 Puerto Real, Cádiz, Spain
&
Isidro G. Collado *† Departamento de Química Orgánica, Facultad de Ciencias, Universidad de Cádiz, Apartado 40, 11510 Puerto Real, Cádiz, SpainView further author information
Pages 177-181 | Received 04 Mar 2003, Accepted 21 Jun 2003, Published online: 15 Aug 2006
 
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Abstract

Two novel steroids, 3β,7α-dihydroxy-4α,14α-dimethyl-5α-cholest-8-en-11-one (2) and 3β,7β-dihydroxy-4α,14α-dimethyl-5α-cholest-8-en-11-one (3) were isolated from the latex of Euphorbia officinarum. Their structures were established on the basis of NMR and MS studies.

Acknowledgements

This research was supported by a grant from the Consejería de Presidencia de la Junta de Andalucía (CPJA-Spain) Exp. A13/00. M.D. thanks CPJA (Spain) for a scholarship.

Notes

†E-mail: [email protected]

*Corresponding authors.

*Corresponding authors.

Additional information

Notes on contributors

Isidro G. Collado Footnote* Footnote†

†E-mail: [email protected] *Corresponding authors.

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