Tetracyclic Terpenoids from <i>Dasyscyphus niveus</i>, Dasyscyphins D and E
收藏NIAID Data Ecosystem2026-03-06 收录
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Cultures of the ascomycete Dasyscyphus niveus have yielded two new tetracyclic dasyscyphin-type terpenoids (1 and 2), and their structures were elucidated by NMR spectroscopy and X-ray crystallography. The absolute configuration of dasyscyphin D (1) was determined by synthesis and NMR spectroscopy of diastereomeric MTPA esters. Both compounds inhibited the germination of conidia of Magnaporthe grisea at 25 μg/mL.
创建时间：
2008-09-26
