Journal ArticleDOI
Thunalbene, a stilbene derivative from the orchid Thunia alba
TLDR
Thunalbene, a new stilbene derivative, was isolated from the orchid Thunia alba which also afforded six known stilbenoids: batatasin-III, lusianthridin, 3,7-dihydroxy-2,4-dimethoxyphenanthrene, 3.5methoxystilbenoid and flavanthrin this paper.About:
This article is published in Phytochemistry.The article was published on 1998-12-20. It has received 50 citations till now.read more
Citations
More filters
Journal Article
Chemical constituents from Pholidota cantonensis
TL;DR: In this article, the constituents were isolated and purified by silica gel, Sephadex LH-20 and MCI gel chromatography and recrystallization, and the structures were elucida- ted on the basis of the chemical evidence and spectroscopic data.
Journal ArticleDOI
Stilbenes: Source plants, chemistry, biosynthesis, pharmacology, application and problems related to their clinical Application-A comprehensive review.
TL;DR: A comprehensive overview of stilbenes' botanical sources, chemistry, biosynthetic pathways, pharmacology, and clinical applications and challenges based on up-to-date data is provided in this paper .
Journal ArticleDOI
Total synthesis of two natural phenanthrenes : confusarin and a regioisomer
TL;DR: The title compounds were synthesized by radical cyclization of the corresponding stilbenes intermediates in a stereoselective manner in this paper, and Confusarin (1) was prepared in 13 steps from gallic acid.
Journal ArticleDOI
Chemical constituents of Pholidota cantonensis
Bin Li,Zulfiqar Ali,Michael Chan,Juan Li,Mei Wang,N Abe,Can-Rong Wu,Ikhlas A. Khan,Wei Wang,Shun-Xiang Li +9 more
TL;DR: Four diterpenoid glycosides isolated from the ethanol extract of the air-dried whole plant of Pholidota cantonensis Rolfe were identified as 1-hydroxy-2,7-dimethoxy-9,10-dihydrophenanthro-[4,5-bcd]furan, 5-Hydroxy-1,4-phenanthrenedione, and phocantoside B were identified.
Journal ArticleDOI
Triterpenoids from the orchids Agrostophyllum brevipes and Agrostophyllum callosum.
P.L Majumder,S Majumder,S Sen +2 more
TL;DR: Two new triterpenoids were isolated from the orchid Agrostophyllum brevipes, of considerable biogenetic importance, and established as 24-methylene-lanosta-9(11)-en-3beta-ol and 24- methylene- Lanosta-8(11)-en-2-one, respectively.
References
More filters
Journal ArticleDOI
Isolation, structure, and synthesis of combretastatins A-1 and B-1, potent new inhibitors of microtubule assembly, derived from Combretum caffrum
TL;DR: The structural simplicity and ready synthesis of combretastatin A-1 and combretastsatin B-1 suggest that these new biosynthetic products will become useful in a variety of biological endeavors.
Journal ArticleDOI
Two substituted bibenzyls and a dihydrophenanthrene from Cymbidium Aloifolium
TL;DR: Three new substituted bibenzyls (1,2-diarylethanes) aloifol I and aloIFol II and a new substituted 9,10-dihydrophenanthrene, 6-O-methylcoelonin in addition to batatasin III, coel onin and gigantol have been isolated and characterized.
Journal ArticleDOI
Lusianthrin and lusianthridin, two stilbenoids from the orchid Lusia indivisa
P.L. Majumder,Saswati Lahiri +1 more
TL;DR: Lusianthrin and lusian-thridin, two new stilbenoids, were isolated from the orchid Lusia indivisa.
Journal ArticleDOI
Non-alkaloidal constituents of Virola elongata bark
W.Donald MacRae,G.H.Neil Towers +1 more
TL;DR: In this paper, eleven major non-polar constituents of the dried bark of Virola elongata were isolated and the structures of virolongin, dihydrosesartemin and β-dihydroyangambin were determined.
Related Papers (5)
Lusianthrin and lusianthridin, two stilbenoids from the orchid Lusia indivisa
P.L. Majumder,Saswati Lahiri +1 more
Coelonin, A 9,10-dihydrophenanthrene from the orchids Coelogyne ochracea and Coelogyne elata
Structure of flavanthrin, the first dimeric 9,10-dihydrophenanthrene derivative from the orchid eria flava
Pralay Majumder,Subhra Banerjee +1 more