New Cytotoxic 14-Membered Macrolides from Marine-Derived Fungus Aspergillus ostianus
摘要:
Three new 14-membered macrolides, named aspergillides A, B, and C (1, 5, and 7), were isolated from marine-derived fungus Aspergillus ostianus strain 01F313, cultured in a medium composed of bromine-modified artificial seawater. The structures of the new compounds were determined by analyses of 1D and 2D NMR spectra. Their absolute configurations were elucidated by the modified Mosher's method and chemical conversions. The new compounds showed cytotoxic activity against mouse lymphocytic leukemia cells (L1210).
DOI:
10.1021/ol702598q
作为产物:
描述:
在
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
反应 3.0h,
以93%的产率得到aspergillide B