Antidesmone, a novel type isoquinoline alkaloid from Antidesma membranaceum (Euphorbiaceae)

被引:36
作者
Buske, A
Busemann, S
Mühlbacher, J
Schmidt, J
Porzel, A
Bringmann, G [1 ]
Adam, G
机构
[1] Univ Wurzburg, Inst Plant Biochem, D-97074 Wurzburg, Germany
[2] Inst Plant Biochem, Dept Nat Prod Chem, D-06018 Halle, Germany
关键词
D O I
10.1016/S0040-4020(98)01107-7
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
A novel type of tetrahydroisoquinoline alkaloid, antidesmone (1), was isolated from Antidesma membranaceum Mull. Arg.. The structure of 1 was determined to be (5S)-1-hydroxy-4-methoxy-3-methyl-5-octyl-5,6,7,8-tetrahydroisoquidolin-8-one by spectroscopic methods (MS, H-1, C-13 2D NMR, CD) and chemical derivatisation. The absolute (S)-configuration was determined by quantumchemical calculation of CD spectra. (C) 1999 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:1079 / 1086
页数:8
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