Constituents of Boesenbergia pandurata (syn. Kaempferia pandurata). III Isolation and Synthesis of (±)-Boesenbergin B

Chulabhorn MahidolPittaya TuntiwachwuttikulVichai ReutrakulWalter C. TaylorMahidol UniversityThailand Ministry of Public HealthThe University of Sydney2018-10-122018-10-121984-01-01Australian Journal of Chemistry. Vol.37, No.8 (1984), 1739-174514450038000494252-s2.0-84970617957https://repository.li.mahidol.ac.th/handle/20.500.14594/30601A new chalcone derivative (±)-boesenbergin B and the known (±)-panduratin A have been isolated from Boesenbergia pandurata Schl. (syn. Kaempferia pandurata Roxb.; family Zingiberaceae). Spectroscopic studies have established the structure (±)-(E)-l-[5′-hydroxy-7′-methoxy-2′-methyl- 2′-(4″-methylpent-3″-enyl)-2″H-l-benzopyran-6″-yl]-3-phenylprop-2-en-l-one for boesenbergin B. A simple synthesis of boesenbergin B has been achieved and its acid-catalysed cyclization has been studied. © 1984 ASEG.Mahidol UniversityChemistryConstituents of Boesenbergia pandurata (syn. Kaempferia pandurata). III Isolation and Synthesis of (±)-Boesenbergin BArticleSCOPUS10.1071/CH9841739