Helikaurolides A–D with a Diterpene-Sesquiterpene Skeleton from Supercritical Fluid Extracts of Helianthus annuus L. var. Arianna | Zendy

Ascensión Torres | Zendy; José M. G. Molinillo | Zendy; Rosa M. Varela | Zendy; Lourdes Casas | Zendy; Casimiro Mantell | Zendy; Enrique Martínez de la Ossa | Zendy; Francisco A. Macı́as | Zendy

Open Access

Helikaurolides A–D with a Diterpene-Sesquiterpene Skeleton from Supercritical Fluid Extracts of Helianthus annuus L. var. Arianna

Author(s) -

Ascensión Torres,

José M. G. Molinillo,

Rosa M. Varela,

Lourdes Casas,

Casimiro Mantell,

Enrique Martínez de la Ossa,

Francisco A. Macı́as

Publication year - 2015

Publication title -

organic letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.94

H-Index - 239

eISSN - 1523-7060

pISSN - 1523-7052

DOI - 10.1021/acs.orglett.5b02221

Subject(s) - diterpene , chemistry , sesquiterpene , helianthus annuus , terpene , supercritical fluid , organic chemistry , stereochemistry , botany , sunflower , biology , agronomy

Four novel compounds (1-4) with an unprecedented skeleton that combines a sesquiterpene lactone and a kaurane diterpene acid were isolated from Helianthus annuus L. var. Arianna extract, which was obtained under supercritical conditions. The structures of 1-4 were elucidated by NMR and MS analyses. The biosynthetic routes involve sesquiterpene lactones and kauranic acid, both of which were previously isolated from this species.

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