Journal ArticleDOI
Rotundatin, a new 9,10-didydrophenanthrene derivative from Dendrobium rotundatum
P. L. Majumder,Suparna Pal +1 more
TLDR
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.About:
This article is published in Phytochemistry.The article was published on 1992-09-01. It has received 35 citations till now. The article focuses on the topics: Derivative (chemistry).read more
Citations
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Two new phenanthrene glycosides from Liparis regnieri Finet and their antibacterial activities
Jie Ren,Xiu-ping Qian,Yigong Guo,Tao Li,Shi-Kai Yan,Hui-Zi Jin,Wei-Dong Zhang,Wei-Dong Zhang +7 more
TL;DR: Two new phenanthrene glycosides, nudolglycosides A and B (1 and 2) and thirty known compounds (3, 32) were isolated from the whole plant of Liparis regnieri Finet as discussed by the authors.
Journal ArticleDOI
Chemical constituents of Dendrobium crystallium
Journal ArticleDOI
Agrostophyllol and isoagrostophyllol, two novel diastereomeric 9,10-dihydrophenanthropyran derivatives from the orchid Agrostophyllum callosum
TL;DR: In this paper, two diastereomeric 9,10-dihydrophenanthropyran derivatives isolated from the orchid Agrostophyllum callosum were shown to have the structures 2,7-Dihydroxy-6-methoxy-9, 10-dhydro-5H-phenanthro[4,5-bcd]pyran-5(ax)ol (11 ) and 2.7-dioxioxioxoxy-6.5
Journal ArticleDOI
Isolation of novel stilbenoids from the roots of Cyrtopodium paniculatum (Orchidaceae).
Florence Auberon,Opeyemi Joshua Olatunji,Diamondra Raminoson,Christian D. Muller,Beatriz Soengas,Frederic Bonte,Annelise Lobstein +6 more
TL;DR: Four new stilbenoids were isolated from the roots of Cyrtopodium paniculatum by comprehensive spectroscopic analysis including extensive 1D and 2D-NMR techniques, and showed moderate cytotoxicity on human glioblastoma U-87MG cell line.
References
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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
Structure and synthesis of batatasins, dormancy-inducing substances of yam bulbils
TL;DR: Batatasin, which occurs in dormant bulbils of yams and induces dormancy in this organ has been shown by spectrometric analysis and synthesis to be 3,3′-dihydroxy-5-methoxy-bibenzyl.
Journal ArticleDOI
Bulbophyllanthrin, a phenanthrene of the orchid Bulbophyllum leopardium
TL;DR: Bulbophyllanthrin, a novel phenanthrene derivative from the orchid B. leopardium, was shown to have the structure 1a mainly on the basis of spectral evidence including 13 C and 2D NMR spectra as discussed by the authors.
Journal ArticleDOI
Hircinol, eine antifungisch wirksame Substanz aus Knollen von Loroglossum hircinum (L.) RICH†
TL;DR: Aus Knollen von Loroglossum hircinum (L.) Rich, welche mit dem Pilz Rhizoctonia versicolor Muller et Nuesch infiziert worden sind, wird das fungistatisch wirksame Hircinol, C15H14O3, in Ausbeuten von 250-400 mg pro kg Knollengewebe isoliert as mentioned in this paper.
Journal ArticleDOI
Two stilbenoids from the orchid Cirrhopetalum andersonii
P.L. Majumder,Mausumi Basak +1 more
TL;DR: 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.
Related Papers (5)
Lusianthrin and lusianthridin, two stilbenoids from the orchid Lusia indivisa
P.L. Majumder,Saswati Lahiri +1 more