Lanostane-Type Triterpenes from the Mushroom Astraeus pteridis with Antituberculosis Activity

Autor: Mohamed M. Radwan, Frank R. Fronczek, James M. Trappe, Samir A. Ross, Rita Stanikunaite
Rok vydání: 2008
Předmět:
Zdroj: Journal of Natural Products. 71:2077-2079
ISSN: 1520-6025
0163-3864
DOI: 10.1021/np800577p
Popis: Bioassay-guided fractionation of an EtOH extract of the truffle-mimiking mushroom Astraeus pteridis led to the isolation and identification of three new (3-5) and two known (1, 2) lanostane triterpenes and phenylalanine betaine (6). The structures of the isolates were elucidated on the basis of 1D and 2D NMR spectroscopic data, HRESIMS results, and X-ray crystallographic analysis. Compounds 5 and 1 showed moderate activity against Mycobacterium tuberculosis with MIC values of 34.0 and 58.0 microg/mL, respectively.
Databáze: OpenAIRE