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CYCLIC DIPEPTIDES FROM SCHIZANDRA CHINENSIS AND THEIR SYNTHESES
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- Author:
- No author available
- Journal Title:
- ACTA PHARMACEUTICA SINICA
- Issue:
- 1
- DOI:
- 10.3321/j.issn:0513-4870.1999.01.005
- Key Word:
- 北五味子;五味子科;环二肽;合成
Abstract： 目的:研究五味子中的环肽成分.方法:用薄层色谱,硅胶及反向RP-18硅胶柱层析色谱和谱学方法.结果:分离到3个天然的环二肽及由3个环二肽组成的一个混合物并鉴定为环(亮-脯)(1),环(苯丙-脯)(2)和环(苯丙-亮)(3),环(苯丙-缬)(4),环(苯丙-异亮)(5),环(苯丙-苯丙)(6),另外,合成了14个环二肽类似物.结论:首次从五味子科植物北五味子中分离到环肽.环二肽2,6～8,14～20,经活性筛选表明,2,16及18有轻微的钙拮抗效应,19及20显示出增强高钾所致收缩效应.其它环二肽及它们的活性筛选工作正在进行中.
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