Sesquiterpenes, Nortriterpenes and Other Constituents from Ligularia tongolensis
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چکیده
منابع مشابه
Cytotoxic sesquiterpenes from Ligularia platyglossa.
Four sesquiterpene lactones including an eremophilenolide dimer, named as biligulaplenolide, 1, 8beta-hydroxy-1-oxo-(14alpha,15alpha eremophil-7(11),9(10)-dien-12,8alpha-olide, 2, 1-hydroxy-2-oxo-(14alpha,15alpha eremophil-1(10),7(11),8(9)-trien-12,8-olide, 3, 4alpha,8beta,9alpha-trihydroxy- 5alphaEta-7(11)-eudesmen-12,8alpha-olide, 4, along with two known ones, 10alpha-hydroxy-1-oxo-eremophil-...
متن کاملSesquiterpenes and other constituents from Dendranthema zawadskii var. latilobum.
Six new germacranolides, zawadskinolides A-F (1-6), and a new eudesmane glucoside, chrysantiloboside (7) were isolated from the aerial parts of Dendranthema zawadskii var. latilobum, along with thirteen known constituents. Their structures were elucidated by means of spectroscopic evidence. Bioassay showed that flavonoids such as apigenin (9), (-)-eriodictyol (10) and nepetin (12), as well as t...
متن کاملNatural Hybridization and Introgression between Ligularia cymbulifera and L. tongolensis (Asteraceae, Senecioneae) in Four Different Locations
Natural hybridization has been considered to represent an important factor influencing the high diversity of the genus Ligularia Cass. in the Hengduan Mountains, China. Natural hybridization has been confirmed to occur frequently in Ligularia. To date, however, it has been demonstrated only within a single population. In this paper, we present evidence of natural hybridization in Ligularia from...
متن کاملNovel Nortriterpenes from Phlomis umbrosa.
We isolated 8 novel 28-noroleanane-derived spirocyclic triterpenoids with unusual skeleton structures, phlomisone (1), phlomistetraol A (2), phlomistetraol B (3), phlomistetraol C (4), phlomispentaol (5), phlomishexaol A (6), phlomishexaol B (7), and phlomisin (8), from the ethanol extract of Phlomis umbrosa rhizomes. Their structures were elucidated on the basis of spectroscopic methods, inclu...
متن کاملChem. Pharm. Bull. 53(10) 1338—1341 (2005)
from the genus Ligularia (Compositae) plants we have studied the roots of Ligularia tongolensis (FRANCH) HANDMAZZ collected in mountainous areas (altitude: 3600 m) in southwestern China. Ligularia tongolensis is used as a traditional folk medicine in China and its roots can reduce phlegm, relieve coughing and cure pulmonary tuberculosis, urinary track blockages, common cold, and pharyngitis. Ho...
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ژورنال
عنوان ژورنال: Chemical and Pharmaceutical Bulletin
سال: 2005
ISSN: 0009-2363,1347-5223
DOI: 10.1248/cpb.53.1338