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Uragogin and blepharodin, unprecedented hetero-Diels-Alder adducts from Celastraceae species |
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| Authors: | Marvin J Núñez María L Kennedy Ignacio A JiménezIsabel L Bazzocchi |
| Institution: | a Instituto Universitario de Bio-Orgánica ‘Antonio González’, Departamento de Química Orgánica, Universidad de La Laguna, Avda. Astrofísico Francisco Sánchez 2, La Laguna, 38206 Tenerife, Canary Islands, Spain b Departamento de Farmacia y Tecnología Farmacéutica, Facultad de Química y Farmacia, Universidad de El Salvador, Final ave. Héroes y Mártires del 30 Julio, San Salvador, El Salvador c Facultad de Ciencias Químicas, Universidad Nacional de Asunción, Campus UNA, 2169 San Lorenzo, Paraguay |
| Abstract: | Uragogin and blepharodin were isolated from Crossopetalum uragoga and Maytenus magellanica, respectively. They represent the first examples of a triterpene-neolignan ester and a heptacyclic arylpropanoid-nor-triterpenephenol, hetero-Diels-Alder adducts built with dioxane bridges. Their proposed biosynthetic route is discussed. |
| Keywords: | Celastraceae Hetero-Diels-Alder adduct |
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