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Molecules 2007, 12(3), 318-327; doi:10.3390/12030318

Oxidative Degradations of the Side Chain of Unsaturated Ent-labdanes. Part I.

1,* , 2, 3, 1 and 1
1 Departamento de Química, Universidad Técnica Federico Santa María, Av. España N° 1680, Valparaíso, Chile 2 Departamento de Ciencias Químicas, Universidad Andrés Bello, Campus Viña del Mar, Los Fresnos N° 52, Viña del Mar, Chile 3 Facultad de Farmacia, Universidad de Valparaíso, Av. Gran Bretaña N° 1093, Valparaíso, Chile
* Author to whom correspondence should be addressed.
Received: 22 November 2006 / Revised: 19 January 2007 / Accepted: 24 January 2007 / Published: 6 March 2007
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A selective route for the degradation of the unsaturated side chain of ent-labdanes has been devised, giving two useful synthons: 2β-acetoxy-14,15,17-trinor-ent-labdane-8,13- dione (5) and 2β-acetoxy-14,15-dinor-ent-labd-8(17)-en-13-one (7), the use of which for the preparation of terpenylquinone derivatives shall be reported elsewhere.
Keywords: Ent-labdanes; selective degradations; unsaturated side chain Ent-labdanes; selective degradations; unsaturated side chain
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Catalán, L.E.; Altamirano, H.C.; Fritis, M.C.; Araya, C.G.; Marín, K.C. Oxidative Degradations of the Side Chain of Unsaturated Ent-labdanes. Part I.. Molecules 2007, 12, 318-327.

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