Document Detail


Lyonin A, a New 9,10-Secograyanotoxin from Lyonia ovalifolia.
MedLine Citation:
PMID:  21674790     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Phytochemical studies on the branches and leaves of Lyonia ovalifolia yielded a new grayanane diterpenoid, lyonin A (1), together with two known compounds, secorhodomollolides A and D (2 and 3, resp.). The structure of 1 was elucidated by combination of 1D- and 2D-NMR, and MS analyses. Compound 1 turned out to be a new, highly O-acylated grayanane diterpenoid, of which ring B has undergone an oxidative cleavage between C(9) and C(10), yielding a system differing from the previously reported grayanane type with a 5/7/6/5 ring system. Results of the cAMP regulation activity assay showed that compounds 2 and 3 at 50 μM induced a significantly decreased cAMP level in N1E-115 neuroblastoma cells (p<0.001), indicating neuropharmacological potential.
Authors:
Zhao-Yuan Wu; Hai-Zhou Li; Wei-Guang Wang; Hong-Mei Li; Rui Chen; Rong-Tao Li; Huai-Rong Luo
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Chemistry & biodiversity     Volume:  8     ISSN:  1612-1880     ISO Abbreviation:  Chem. Biodivers.     Publication Date:  2011 Jun 
Date Detail:
Created Date:  2011-06-15     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101197449     Medline TA:  Chem Biodivers     Country:  Switzerland    
Other Details:
Languages:  eng     Pagination:  1182-7     Citation Subset:  IM    
Copyright Information:
Copyright © 2011 Verlag Helvetica Chimica Acta AG, Zürich.
Affiliation:
The College of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650224, P. R. China (phone: +86-871-3856880; fax: +86-871-3801956); The College of Life Science and Technology, Kunming University of Science and Technology, Kunming 650224, P. R. China.
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