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Phenolic compounds from Origanum vulgare and their antioxidant and antiviral activities.
In the present study, six new phenolic compounds (1-6) along with five known ones were isolated from the ethanol extract of the whole plants of Origanum vulgare. The structures of the new compounds… Expand
Clerodane diterpenoids from Croton crassifolius.
- Guo-Cai Wang, Jia-Gui Li, +4 authors Yao-lan Li
- Chemistry, Medicine
- Journal of natural products
- 29 November 2012
Seven new clerodane diterpenoids (1-7) were isolated from roots of Croton crassifolius, along with six known compounds. The structures were elucidated by extensive spectroscopic methods (IR, UV,… Expand
Grandiflodines A and B, two novel diterpenoid alkaloids from Delphinium grandiflorum
Two novel diterpenoid alkaloids, grandiflodines A and B (1 and 2), were isolated from Delphinium grandiflorum. Compound 1 represents a rare hetisine-type C20-diterpenoid alkaloid in which the bond… Expand
Dimeric Matrine-Type Alkaloids from the Roots of Sophora flavescens and Their Anti-Hepatitis B Virus Activities.
- Yu-bo Zhang, L. Zhan, +5 authors Guo-Cai Wang
- Chemistry, Medicine
- The Journal of organic chemistry
- 8 July 2016
Six unusual matrine-type alkaloid dimers, flavesines A-F (1-6, respectively), together with three proposed biosynthetic intermediates (7-9) were isolated from the roots of Sophora flavescens.… Expand
TWO NEW CLERODANE DITERPENOIDS FROM CROTON CRASSIFOLIUS
Eudesmane-type sesquiterpene derivatives from Laggera alata.
Ten eudesmane-type sesquiterpene derivatives (1-10), including six cuauhtemone derivatives (1-6), one di-norsesquiterpene (3-oxo-di-nor-eudesma-4-en-11-oic acid, 7), and three eudesmane glycosides… Expand
Antiviral activity of polymethoxylated flavones from "Guangchenpi", the edible and medicinal pericarps of citrus reticulata 'Chachi'.
- Jiao-Jiao Xu, Xia Wu, +8 authors Yao-lan Li
- Biology, Medicine
- Journal of agricultural and food chemistry
- 28 February 2014
The present study found that the supercritical fluid extract of "Guangchenpi" possessed in vitro antiviral activity against respiratory syncytial virus (RSV). Bioassay-guided isolation and… Expand
Iboga-Type Alkaloids from Ervatamia officinalis.
Seven new iboga-type alkaloids, ervaoffines A-D (1-4), (7S)-3-oxoibogaine hydroxyindolenine (5), ibogaine-5,6-dione (6), and 19-epi-5-oxovoacristine (7), and 10 known alkaloids were isolated from… Expand
Nodulisporisteriods A and B, the first 3,4-seco-4-methyl-progesteroids from Nodulisporium sp.
Two new 4-methyl-progesteroids, nodulisporisteriod A (1) and nodulisporisteriod B (2), were isolated from the extract of an endolichenic fungal strain Nodulisporium sp. (No. 65-17-2-1), along with… Expand
Ervahainine A, a new cyano-substituted oxindole alkaloid from Ervatamia hainanensis
Abstract Ervahainine A ( 1 ), a new cyano-substituted oxindole alkaloid, was isolated from Ervatamia hainanensis . The structure was elucidated on the basis of spectroscopic methods and further… Expand