Three New Iridoid Glucosides from the Roots of Patrinia scabra
2011; Wiley; Volume: 32; Issue: 9 Linguagem: Inglês
10.5012/bkcs.2011.32.9.3251
ISSN1229-5949
AutoresLei Di, Ning Li, Ling‐Bo Zu, Kai‐Jin Wang, You‐Xing Zhao, Zhi Wang,
Tópico(s)Natural product bioactivities and synthesis
ResumoTo probe the chemical constituents of Patrinia scabra, we undertook the phytochemical investigation on its roots, which led to the isolation and elucidation of three new iridoid glucosides, scabroside A-C (1-3), along with three known iridoids, jatamanin J (4), isopatriscabroside I (5) and loganic acid (6) from the aqueous fraction of the ethanolic extract of the roots. The structures and relative configurations of the three new compounds were elucidated by spectroscopic methods including IR, UV, MS, 1D and 2D NMR experiments. Compound 3 was an unusual iridoid with an oxygen bridge connecting C-3 and C-8.
Referência(s)