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题名: Natural aromatic steroids as potential molecular fossils from the fruiting bodies of the ascomycete Daldinia concentrica
作者: Qin, XD; Liu, JK
刊名: JOURNAL OF NATURAL PRODUCTS
关键词: ISOPRENOID-SUBSTITUTED FLAVONOIDS ; TUMOR-CELL LINES ; ROOT BARK ; HETEROPHYLLUS LAMK ; MORACEAE PLANTS ; PRENYLFLAVONES ; CONSTITUENTS ; COMMUNIS ; ALTILIS
英文摘要: The identification of aromatic steroid hydrocarbons bearing a methyl group at positions 1, 2, 3, 4, or 6 in sediments and petroleum has been puzzling since possible steroidal precursors have not yet been reported in living organisms. Two new aromatic steroids, (17beta,20R,22E,24R)-19-norergosta-1,3,5,7,9,14,22-heptaene (1) and (17beta,20R,22E,24R)-1-methyl-19-norergosta-1,3,5,7,9,14,22-heptaene (2), were isolated from the ascomycete Daldinia concentrica, of which compound 2 bears an unusual methyl group at position 1. We propose that the origin of these compounds is derived from the transformation undergone by their precursor due to microbial action. Compounds 1 and 2 could be the long-sought, biological precursor steroids for organic matter in Earth's subsurface.
出版日期: 2004-12-01
卷号: 67, 期号:12, 页码:2133-2135
DOI标识: 10.1021/np049793j
语种: 英语
ISSN号: 0163-3864
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内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/4632
Appears in Collections:植物化学与西部植物资源持续利用国家重点实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Kunming Inst Bot, Kunming 650204, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

Recommended Citation:
Qin, XD; Liu, JK.Natural aromatic steroids as potential molecular fossils from the fruiting bodies of the ascomycete Daldinia concentrica,JOURNAL OF NATURAL PRODUCTS,2004,67(12):2133-2135
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