A New Dimeric Carbazole Alkaloid from Glycosmis stenocarpa Roots
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概要
- 論文の詳細を見る
A new dimeric pyranocarbazole alkaloid, bisisomahanine (1), was isolated from the roots of Glycosmis stenocarpa (DRAKE) TAN., along with two known monomeric carbazole alkaloids, murrayafoline-A (2) and murrayanine (3). The planar structure of bisisomahanine was determined to be 9, 9"-dihydroxy-3, 3", 8, 8"-tetramethyl-3, 3"-bis-(4-methyl-3-pentenyl)-3, 3",11, 11"-tetrahydro-10, 10"-(bipyrano[3, 2-a]carbazole) from the combination of spectroscopic and chemical evidence. Bisisomahanine is the first dimeric prenylated pyranocarbazole alkaloid with a 1, 1' type of linkage ; the NMR and CD spectroscopic data indicated it to be a mixture of diastereomers having a dominant configuration at the axis of chirality. ^1H- and ^<13>C-NMR assignments of murrayafoline-A were made on the basis of 2D-experiments.
- 公益社団法人日本薬学会の論文
- 2004-10-01
著者
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CUONG Nguyen
Institute of Natural Products Chemistry, Vietnam Academy of Science and Technology
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Cuong Nguyen
Institute Of Chemistry Vietnamese Academy Of Science And Technology
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Taylor Walter
School Of Chemistry University Of Sydney
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Hung Tran
Institute Of Chemistry Vietnamese Academy Of Science And Technology
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SUNG Tran
Institute of Chemistry, Vietnamese Academy of Science and Technology
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Sung Tran
Institute Of Chemistry Vietnamese Academy Of Science And Technology
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Taylor Walter
School Of Chemistry Univ. Of Sydney
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Cuong Nguyen
Institute Of Archeology
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