6-O-α-L-Rhamnopyranosylcatalpol Derivative Iridoids from Verbascum cilicicum

Tatli İ. İ., Akdemir Z., Bedir E., Khan I.

Turkish Journal of Chemistry, vol.27, no.6, pp.765-772, 2003 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 27 Issue: 6
  • Publication Date: 2003
  • Journal Name: Turkish Journal of Chemistry
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus, TR DİZİN (ULAKBİM)
  • Page Numbers: pp.765-772
  • Hacettepe University Affiliated: Yes

Abstract

From the aerial parts of Verbascum cilicicum Boiss., 6 iridoid glycosides, namely catalpol (1), verbaspinoside [= 6-O-(2″-O-trans-cinnamoyl)-α- L-rhamnopyranosylcatalpol] (2), 6-O-(3″-O-trans-cinnamoyl)-α-L- rhamnopyranosylcatalpol (3), 6-O-(4″-O-trans-cinnamoyl)-α-L- rhamnopyranosylcatalpol (4), saccatoside [= 6-O-(2″-O-trans-p-coumaroyl)- α-L-rhamnopyranosylcatalpol] (5), and 6-O-(3″-O-trans-p-coumaroyl)- α-L-rhamnopyranosylcatalpol (6), were isolated. The structures of the compounds were elucidated by means of 1 and 2 dimensional (DQF-COSY, HMQC and HMBC) NMR techniques and LC-ESIMS.