Listar Farmacia por autor "Timmermann, Barbara N."
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Relative Selectivity of Plant Cardenolides for Na+/K+ -ATPases From the Monarch Butterfly and Non-resistant Insects
Petschenka, Georg; Fei, Colleen S.; Araya Barrantes, Juan José; Schröder, Susanne; Timmermann, Barbara N.; Agrawal, Anurag A. (2018)A major prediction of coevolutionary theory is that plants may target particular herbivores with secondary compounds that are selectively defensive. The highly specialized monarch butterfly (Danaus plexippus) copes well ... -
Sullivantosides A-F: Pregnane glycosides from Asclepias sullivantii L.
Araya Barrantes, Juan José; Kindscher, Kelly; Timmermann, Barbara N. (2016-06)Phytochemical investigation of the above-ground biomass of Asclepias sullivantii L. (Asclepiadaceae) afforded six new pregnane glycosides, named sullivantosides A-F (1–6). The structures of 1–6 were elucidated through a ...