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Title: Phenanthrenes of Eulophia nuda
Authors: Patoomratana Tuchinda
Jinda Udchachon
Kanjai Khumtaveeporn
Walter C. Taylor
Lutz M. Engelhardt
Allan H. White
Mahidol University
The University of Sydney
University of Western Australia
Keywords: Agricultural and Biological Sciences;Biochemistry, Genetics and Molecular Biology;Chemistry;Pharmacology, Toxicology and Pharmaceutics
Issue Date: 1-Jan-1988
Citation: Phytochemistry. Vol.27, No.10 (1988), 3267-3271
Abstract: From the tubers of Eulophia nuda six phenanthrene derivatives have been isolated: 9,10-dihydro-2,5-dimethoxyphenanthrene-1,7-diol, 9,10-dihydro-4-methoxyphenanthrene-2,7-diol, 1,5-dimethoxyphenanthrene-2,7-diol, 1,5,7,-trimethoxyphenanthrene-2,6-diol, 5,7-dimethoxyphenanthrene-2,6-diol and 4,4′,8,8′-tetramethoxy [1,1′-biphenanthrene]-2,2′,7,7′-tetrol. 4-Hydroxybenzaldehyde and 4-hydroxybenzyl alcohol were also isolated. The structures were assigned by spectroscopic methods and the structure of 9, 10-dihydro-2,5-dimethoxyphenanthrene- 1,7-diol was also determined by a single-crystal X-ray structure analysis of its acetate derivative. © 1988.
ISSN: 00319422
Appears in Collections:Scopus 1969-1990

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