Agrostophyllin, a naturally occurring phenanthropyran derivative from Agrostophyllum khasiyanum
TL;DR: Agrostophyllin, the first naturally occurring phenanthropyran derivative, was isolated from the orchid AgrostophyLLum khasiyanum and it was shown to be able to biosynthesise nonvolatile substance such as polymethine.
About: This article is published in Phytochemistry.The article was published on 1988-01-01. It has received 26 citations till now. The article focuses on the topics: Agrostophyllum & Derivative (chemistry).
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TL;DR: Callosumin, callosuminin and callosumidin, three new stibenoids, were isolated from the orchid Agrostophyllum Callosum.
44 citations
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.
44 citations
TL;DR: Crepidatin, a new bibenzyl derivative, was isolated from the orchid Dendrobium crepidatum and its structure was determined from spectral data.
33 citations
TL;DR: The structures of agrostonin and Agrostonidin, two new dimeric phenanthrene derivatives isolated from the orchids, Agrostrophyllum khasiyanum and A. callosum, were established as 2,2′,7, 7,7′-tetramethoxy-1,1′-biphenanthryl, respectively, from spectral and chemical evidence, including regioselective biomimetic synthesis from their respective 9,10-dihydro monomers by oxidative coupling with
33 citations
TL;DR: Cirrhopetalanthrin, a new dimeric phenanthrene derivative, was isolated from the orchid maculosum and its structure was deduced from spectral and chemical evidence as discussed by the authors.
33 citations
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562 citations
TL;DR: In this article, the 13 C NMR spectra of 15 neolignans of several structural types and two lignans were analyzed and their carbon shifts assigned, and the shifts of pyrogallol ether and ethyl phenyl carbinyl ether models were used in this connection.
96 citations
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.
81 citations
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.
74 citations
TL;DR: Two new polyoxygenated phenanthrene derivatives, confusarin and confusaridin, are isolated from the orchid Eria confusa and are shown to be 2,7-dihydroxy-3,4,8-trimethoxyphenanthrene and 2,6- dihydrox-2,6,7, 8-tetramethoxyrene, respectively.
46 citations