eremophilane sesquiterpenes and diphenyl thioethers from the soil fungus penicillium copticola psu-rspg138. | four new compounds including two eremophilane sesquiterpenes, penicilleremophilanes a (1) and b (2), as well as two sulfur-containing biphenols, penicillithiophenols a (3) and b (4), were isolated from the soil fungus penicillium copticola psu-rspg138 together with 16 known compounds. their structures were elucidated by spectroscopic methods. known sporogen ao-1 exhibited significant antimalarial activity against plasmodium falciparum with an ic50 value of 1.53 μm and cytotoxic activity to nonca ... | 2015 | 25734623 |