Structure and stereochemistry of novel ecdysteroids from the roots of Serratula wolffii.

Takács, Mária and Simon, András and Liktor-Busa, Erika and Báthori, Mária and Zsila, Ferenc and Bikádi, Zsolt and Horváth, Péter and Gergely, András and Tóth, Gábor (2010) Structure and stereochemistry of novel ecdysteroids from the roots of Serratula wolffii. MAGNETIC RESONANCE IN CHEMISTRY, 48 (5). pp. 386-391. ISSN 0749-1581

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Abstract

Three new natural ecdysteroids viz. 22-dehydro-20-deoxy-ajugasterone C (1), 1-hydroxy-22-deoxy-20,21-didehydro-ecdysone (2) and 22-deoxy-20,21-didehydro-ecdysone (3) were isolated from the methanol extract of the roots of Serratula wolffii. The structures of compounds 1-3 were established by various spectroscopic techniques, including one- and two-dimensional NMR, circular dichroism and mass spectroscopic methods.

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