Isolation and characterization of two new chroman-4-ones from the endophytic fungus Penicillium chrysogenum obtained from Eucommia ulmoides Oliver

Two new chroman-4-ones penicichromanone A (1) and penicichromanone B (2), together with three known compounds conioxepinol C (3), emodin (4) and moniliphenone (5), were obtained from the endophytic...