Two new lanosta triterpenoids, 3 beta,22 a -dihydroxy-lanosta-8,24E-diene-25-peroxide 3 beta,22 a,25-trihydroxy lanosta-8,24E-diene were isolated from the petroleum ether extracts of Fuscoporia obliqua and their struc...Two new lanosta triterpenoids, 3 beta,22 a -dihydroxy-lanosta-8,24E-diene-25-peroxide 3 beta,22 a,25-trihydroxy lanosta-8,24E-diene were isolated from the petroleum ether extracts of Fuscoporia obliqua and their structures had been determined by spectral data, chemical method and X-ray crystallographic analysis.展开更多
文摘Two new lanosta triterpenoids, 3 beta,22 a -dihydroxy-lanosta-8,24E-diene-25-peroxide 3 beta,22 a,25-trihydroxy lanosta-8,24E-diene were isolated from the petroleum ether extracts of Fuscoporia obliqua and their structures had been determined by spectral data, chemical method and X-ray crystallographic analysis.