Journal ArticleDOI
Two stilbenoids from the orchid Cirrhopetalum andersonii
P.L. Majumder,Mausumi Basak +1 more
TLDR
Cirhopetalanthridin and cirrhopetalidinin, two new stilbenoids isolated from the orchid Cirrus andersonii, were shown to be 4,7-dihydroxy-2,3-methylenedioxy-9,10-dhydrophenanthrene and 3,2′-Dihydrox-5′methoxy-4,5-methylenioxy bibenzyl, respectively, from spectral and chemical evidence as mentioned in this paper.About:
This article is published in Phytochemistry.The article was published on 1991-01-01. It has received 25 citations till now. The article focuses on the topics: Bibenzyl.read more
Citations
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Stilbenoids from the orchids Agrostophyllum callosum and Coelogyne flaccida
TL;DR: Callosin and callosinin, two new stilbenoids, were isolated from the orchid Agrostophyllum callosum, which also afforded, 4-hydroxy-3,5-dimethoxybenzoic acid, orchinol, 6-methoxycoelonin, imbricatin, flaccidin, oxoflaccidIN, iso-oxof-laccidsin, flocidinin and agrostophllin this paper.
Journal ArticleDOI
Two stilbenoids from the orchid arundina bambusifolia
P.L. Majumder,Sabari Ghosal +1 more
TL;DR: Arundin and arundinin were shown to be 3-hydroxy-2,6-bis-( p -hydroxybenzyl)-5-methoxybibenzyl and 3,3′-dihydroxy-4-( p-HydroxybenZyl)- 5-mETHoxybiberenzyl, respectively, mainly from spectral evidence.
Journal ArticleDOI
Rotundatin, a new 9,10-didydrophenanthrene derivative from Dendrobium rotundatum
P. L. Majumder,Suparna Pal +1 more
TL;DR: Rotundatin, a new 9,10-dihydrophenanthrene derivative was isolated from the orchid, Dendrobium rotundatum, which also afforded the known stilbenoids 2,7-Dihydroxy-3,4,6-trimethoxyphenanthrin this article, nudol, moscatin and batatasin-III.
Journal ArticleDOI
Bibenzyl derivatives from the orchid Bulbophyllum protractum
TL;DR: In this paper, two new bibenzyl derivatives were isolated from the orchid Bulbophyllum protractum and designated bulbophyllin and bulbophilusidin.
Journal ArticleDOI
Cytotoxicity of new stilbenoids from Pholidota chinensis and their spin-labeled derivatives
Bin Wu,Haibin Qu,Yiyu Cheng +2 more
TL;DR: Investigation of the leave and stem of Pholidota chinensis Lindl has resulted in the isolation and characterization of three new stilbenoids, and most of the spin‐labeled stilbene derivatives showed superior cytotoxicity in vitro.
References
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Journal ArticleDOI
Moscatilin, a bibenzyl derivative from the orchid Dendrobium moscatum
P.L. Majumder,R.C. Sen +1 more
TL;DR: Moscatilin, a new bibenzyl derivative isolated from the orchid Dendrobium moscatum, was shown to have the structure 4,4′-dihydroxy-3,3′,5-trimethoxybibensyl.
Journal ArticleDOI
Coelonin, A 9,10-dihydrophenanthrene from the orchids Coelogyne ochracea and Coelogyne elata
TL;DR: 2,7-Dihydroxy-4-methoxy-9,10-dihydrophenanthrene was isolated and identified from the whole plant of Coelogyne ochracea and C. elata.
Journal ArticleDOI
Nudol, a phenanthrene of the orchids Eulophia nuda, Eria carinata and Eria stricta
TL;DR: An amorphous phenanthrene, named nudol has been isolated from Eulophia nuda, Eria carinata and E. stricta and was identified as 2,7-dihydroxy-3,4-dimethoxyphenanthrene.
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
Structure of flavanthrin, the first dimeric 9,10-dihydrophenanthrene derivative from the orchid eria flava
Pralay Majumder,Subhra Banerjee +1 more
TL;DR: Flavanthrin, the first dimeric 9,10-dihydrophenanthrene derivative, was isolated from the orchid Eria flava which also yielded the previously reported 9, 10-dibhrenanthrene coelonin this paper.
Related Papers (5)
Lusianthrin and lusianthridin, two stilbenoids from the orchid Lusia indivisa
P.L. Majumder,Saswati Lahiri +1 more
Cumulatin and tristin, two bibenzyl derivatives from the orchids Dendrobium cumulatum and Bulbophyllum triste
P. L. Majumder,Shubhadeep Pal +1 more
Structure of flavanthrin, the first dimeric 9,10-dihydrophenanthrene derivative from the orchid eria flava
Pralay Majumder,Subhra Banerjee +1 more