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26-Hydroxylated ecdysteroids from Silene viridiflora
Noémi Tóth1, András Simon, Gábor Tóth
1Department of Pharmacognosy, University of Szeged, Szeged, Eötvös utca 6, H-6720, Hungary.
Journal of Natural Products
|July 30, 2008
Abstract:
Four new 26-hydroxylated phytoecdysteroids, 2-deoxy-5,20,26-trihydroxyecdysone (1), 5,20,26-trihydroxyecdysone 20,22-acetonide (2), 2-deoxy-5,20,26-trihydroxyecdysone 20,22-acetonide (3), and 20,26-dihydroxyecdysone 20,22-acetonide (4), were isolated from the herb Silene viridiflora, and their structures were elucidated by means of one- and two-dimensional NMR and mass spectrometry.
