| ancistroealaines a and b, two new bioactive naphthylisoquinolines, and related naphthoic acids from ancistrocladus ealaensis. | two new 5,8'-coupled naphthylisoquinoline alkaloids, ancistroealaines a (1) and b (2), eleutherolic acid (3), and two naphthoic acids, ancistronaphthoic acid a (4) and b (5), have been isolated from ancistrocladus ealaensis. their structures were determined by spectroscopic, chemical, and chiroptical methods. ancistroealaine a (1) exhibited activity against leishmania donovani and trypanosoma cruzi in vitro. | 2000 | 11087584 |