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Novel Trichloro-and Tetrachloroisoflavone Isolated from Ouratea Semiserrta

 

作者: JavierR. Velandia,   MarioG. De Carvalho,   Raimundo Braz-filho,  

 

期刊: Natural Product Letters  （Taylor Available online 1998）
卷期: Volume 12, issue 3  

页码: 191-198

 

ISSN:1057-5634

 

年代: 1998

 

DOI:10.1080/10575639808048290

 

出版商: Taylor & Francis Group

 

关键词: Ouratea semisserrata;Ochnaceae;chlorinated isoflavones

 

数据来源: Taylor

 

摘要:

The new 3′,6,8-trichloro-4′,5-dihydroxy-7-methoxyisoflavone (1) and 3′,5′, 6,8-tetrachloro-4′,5-dihydroxy-7-methoxyisoflavone (2) have been isolated from the wood ofOuratea semiserrateMart. (Engl.). Their structures were established from spectroscopic data, including 2D NMR experimetns and mass spectra.

 

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