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Helivypolide G. A novel dimeric bioactive sesquiterpene lactone |
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| Authors: | Francisco A Macías Adriana López José MG Molinillo Ascensión Torres |
| Institution: | a Grupo de allelopatía, Departamento de Química Orgánica, Facultad de Ciencias, Universidad de Cádiz, Avda. República Sahararaui s/n, Apdo. 40, 11510-Puerto Real, Cádiz, Spain b Departamento de Biologia Aplicada á Agropecuária, FCAV, Universidade Estadual do São Paulo. CEP 14884, Jaboticabal, São Paulo, Brazil |
| Abstract: | In the course of our ongoing research for new allelochemicals from Helianthus annuus, a novel dimeric bioactive sesquiterpene lactone, helivypolide G has been isolated and characterized from the medium polar active fractions of the leaves of cultivar variety Stella. The monomers are connected through carbons C-15 of each unit and an oxygen bridge, forming an enolic oxane ring. |
| Keywords: | Sesquiterpene lactone Sesquiterpene dimer Heliangolide Helivypolide G Helianthus annuus cv Stella |
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