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New pentacyclic cyclol-type naphthohydroquinone from the roots of Pentas bussei

✍ Scribed by Jacques Bukuru; Tuyen Nguyen Van; Luc Van Puyvelde; Weidong He; Norbert De Kimpe

Book ID
104205536
Publisher
Elsevier Science
Year
2003
Tongue
French
Weight
103 KB
Volume
59
Category
Article
ISSN
0040-4020

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✦ Synopsis

The novel naphthohydroquinone, methyl 5,10-dihydroxy-7-methoxy-1,1,3a-trimethyl-1a,2,3,3a,10c,10d-hexahydro-1H-4-oxacyclobuta[cd]

indeno [5,6-a]naphthalene-9-carboxylate 2, was isolated from the hexane extract of dried roots of Pentas bussei. Its structure elucidation was done by detailed spectroscopic methods. It is the first cyclol moiety containing naphthohydroquinone to be reported, and a novel natural product from P. bussei.

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