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Pattama Pittayakhajonwut Atit Usuwan Chakapong Intaraudom Punsa Khoyaiklang Sumalee Supothina 《Tetrahedron》2009,65(31):6069-789
Investigation of the insect pathogenic fungus Torrubiella luteorostrata led to the isolation of three new macrocyclic torrubiellutins A-C (1-3) and the known pyrone diterpene 4. Structures were elucidated by spectroscopic data including 1D, 2D NMR, and MS spectral data. The absolute stereochemistry was determined by chemical means using Mosher reactions and Marfey's reagent, together with NOESY spectral data. Torrubiellutin C showed biological activities against KB, MCF-7, NCI-H187, and Vero cell lines with IC50 varying from 0.78 to 4.36 μg/mL, while compound 4 exhibited antimalaria and anti-inflammatory activity with IC50 values of 3.49 and 1.21 μg/mL, respectively. 相似文献
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