Journal ArticleDOI
Bibenzyl derivatives from the orchid Bulbophyllum protractum
TLDR
In this paper, two new bibenzyl derivatives were isolated from the orchid Bulbophyllum protractum and designated bulbophyllin and bulbophilusidin.About:
This article is published in Phytochemistry.The article was published on 1997-01-01. It has received 31 citations till now. The article focuses on the topics: Bibenzyl.read more
Citations
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Book ChapterDOI
Biaryls in nature: a multi-facetted class of stereochemically, biosynthetically, and pharmacologically intriguing secondary metabolites.
Journal ArticleDOI
Mono-, Bi-, and triphenanthrenes from the tubers of Cremastra appendiculata.
TL;DR: Six newphenanthrene derivatives, including three monophenanthrenes (1-3), two biphenanholdes (4 and 5), and a triphenanthrene (6), have been isolated from an ethanolic extract of the tubers of Cremastra appendiculata.
Book ChapterDOI
Stilbenoids: Chemistry and bioactivities
TL;DR: Stilbenoids are formed by a particular branch of the flavonoid biosynthetic pathway and are of special interest to natural product researchers for their roles in plant resistance to fungal pathogens and their biological effects as discussed by the authors.
Journal ArticleDOI
Bioactive Phenanthrene and Bibenzyl Derivatives from the Stems of Dendrobium nobile.
Xue-Ming Zhou,Cai-Juan Zheng,Li-She Gan,Guang-Ying Chen,Xiao-Peng Zhang,Xiao-Ping Song,Gao-Nan Li,Chong-Ge Sun +7 more
TL;DR: A new enantiomeric pair of spirodiketones, (+)- and (-)-denobilone A (1 and 2), three new phenanthrene derivatives (3-5), and three new biphenanthrenes (22-24), along with 11 known phenanthene derivatives (6-16), five known bibenzyl derivatives (17-21), and four known biphenAnthrenes
Journal ArticleDOI
Phenanthrene and other aromatic constituents of Bulbophyllum vaginatum
TL;DR: Two new phenanthrenes (4-methoxyphenanthrene-2,3,7-triol and 4-methyltetrol) and two new 9,10-dihydrophenthrenes were discovered in this paper.
References
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Journal ArticleDOI
Cumulatin and tristin, two bibenzyl derivatives from the orchids Dendrobium cumulatum and Bulbophyllum triste
P. L. Majumder,Shubhadeep Pal +1 more
TL;DR: Cumulatin and tristin, two new bibenzyl derivatives, were isolated from the orchids Dendrobium cumulatum and Bulbophyllum triste, respectively.
Journal ArticleDOI
Phenolic constituents of Coelogyne ovalis
TL;DR: The structure of 3′- O -methylbatatasin III, a new bibenzyl of the East Himalayan orchid, Coelogyne ovalis, has been established on the basis of spectral and chemical data.
Journal ArticleDOI
Two stilbenoids from the orchid Eria flava
P.L. Majumder,S. Banerjee +1 more
TL;DR: Flavanthridin and flavanthrinin, two new stilbenoids, were isolated from the orchid Eria flava which also afforded 2,7-dihydroxy-4-methoxy-9,10- dihydrophenanthrene (coelonin), its 1,1′-dimer (flavanthrin).
Journal ArticleDOI
Flavidin. A Novel 9,10-Dihydrophenanthrene Derivative of the Orchids Coelogyne flavida, Pholidota articulata and Otochilus fusca
Journal ArticleDOI
Pendulin, a polyoxygenated phenanthrene derivative from the orchid Cymbidium pendulum
P.L. Majumder,R.C. Sen +1 more
TL;DR: In this article, the orchid Cymbidium pendulum was isolated and the structure of the pendulum's phenanthrene derivative, pendulin, was further confirmed by its 13 C NMR spectral data.
Related Papers (5)
Cumulatin and tristin, two bibenzyl derivatives from the orchids Dendrobium cumulatum and Bulbophyllum triste
P. L. Majumder,Shubhadeep Pal +1 more