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Structure and Configuration of a New Cleistanthane Diterpenoid fromPogostemon auricularis

 

作者: FalakA. Hussaini,   Raja Roy,   Aboo Shoeb,   Pragya,   Michaiel Gajhede,   JensPeter Jacobsen,   PerM. Boll,  

 

期刊: Natural Product Letters  （Taylor Available online 1993）
卷期: Volume 3, issue 1  

页码: 71-77

 

ISSN:1057-5634

 

年代: 1993

 

DOI:10.1080/10575639308043840

 

出版商: Taylor & Francis Group

 

关键词: Pogostemonauricularis;Lamiaceae;diterpene acid;cleistanthanoic acid;NMR;X-ray

 

数据来源: Taylor

 

摘要:

A new diterpene acid isolated fromPogostemonauricularishas been characterized as (4R, 5S, 8R, 9S, 10S, 14R)-cleistanth-12, 15-dien-19-oic acid by spectral and X-ray crystallographic analyses. Further, the stereochemistry at C-4 of auricularic acid (7) and its 7-hydroxy(6), 7-acetoxy(5), 7-senecioxy(4)and 7-(3-methylbutyroxy)(3)derivatives has been revised.

 

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