Phenylphenalenones and oxabenzochrysenones from the Australian plant Haemodorum simulans

Haemoxiphidone, haemodordioxolane and haemodoroxychrysenose were isolated from the Australian plant Haemodorum simulans (Haemodoraceae). The X-ray structure of 5,6-dimethoxy-7-phenyl-1H,3H-naphtho[1,8-cd]pyran-1,3-dione is reported for the first time.