Journal
STEROIDS
Volume 72, Issue 11-12, Pages 751-755Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.steroids.2007.06.004
Keywords
ecdysteroids; NMR; Serratula wolffii; 2 beta,3 beta,20R,22R,25-pentahydroxy-5 beta-cholest-6,8(14)-dien; 24-methylene-shidasterone; 14 alpha,15 alpha-epoxy-14,15-dihydrostachysterone B
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Investigation of the methanol extract of the roots of Serratula wolffii resulted in an ecdysone-related compound, 2 beta,3 beta,20R,22R,25-pentahydroxy-5 beta-cholest-6,8(14)-dien (1), a new ecdysteroid, 24-methylene-shidasterone (2), the known compound stachysterone B (3) and its 14,15-alpha-epoxide (4), a novel natural product. The structures of compounds 1-4 were established by spectral analysis (H-1 NMR, C-13 NMR, COSY, NOESY, HMQC, HMQC-TOCSY and HMBC). (c) 2007 Elsevier Inc. All rights reserved.
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