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Title: Constituents of Boesenbergia pandurata (syn. Kaempferia pandurata): Isolation, Crystal Structure and Synthesis of (±)-Boesenbergin A
Authors: Thaworn Jaipetch
Sujin Kanghae
Orasa Pancharoen
Vincent A. Patrick
Vichai Reutrakul
Pittaya Tuntiwachwuttikul
Allan H. White
Mahidol University
Thailand Ministry of Public Health
University of Western Australia
Keywords: Chemistry
Issue Date: 1-Jan-1982
Citation: Australian Journal of Chemistry. Vol.35, No.2 (1982), 351-361
Abstract: Partly racemized pinostrobin and pinocembrin, together with 2′, 6′-dihydroxy-4′-methoxychalcone, cardamonin and a new chalcone (±)-boesenbergin A, have been isolated from Boesenbergia pandurata Schl. (syn. Kaempferia pandurata Roxb., Zingiberaceae). Spectroscopic studies and X-ray crystallographic analysis have established the structure (±)-(E)-1-[7′-hydroxy-5′-methoxy-2′-methyl- 2′-(4″-methylpent-3″-enyl)-2′H-chromen-8′-yl]-3-phenylprop-2-enone for boesenbergin A. A simple synthesis of boesenbergin A has been achieved and its acid-catalysed cyclization has been studied. © 1982 ASEG.
ISSN: 14450038
Appears in Collections:Scopus 1969-1990

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