26-Hydroxylated ecdysteroids from Silene viridiflora.
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.
Tóth
Noémi
N
Department of Pharmacognosy, University of Szeged, Szeged, Eötvös utca 6, H-6720, Hungary.
Simon
András
A
Tóth
Gábor
G
Kele
Zoltán
Z
Hunyadi
Attila
A
Báthori
Mária
M
D026461:Ecdysteroids / Q000737:chemistry / Q000302:isolation & purification*; D006900:Hydroxylation; D009682:Magnetic Resonance Spectroscopy; D015394:Molecular Structure; D029751:Silene / Q000737:chemistry*; D021241:Spectrometry, Mass, Electrospray Ionization; D013056:Spectrophotometry, Ultraviolet
D026461:Ecdysteroids