Pauferrol A, a novel chalcone trimer with a cyclobutane ring from Caesalpinia ferrea mart exhibiting DNA topoisomerase II inhibition and apoptosis-inducing activity

Hiroshi Nozaki, Ken-ichiro Hayashi, Masahiro Kido, Kazuyuki Kakumoto, Shogo Ikeda, Nobuyasu Matsuura, Hiroyuki Tani, Daisuke Takaoka, Munekazu Iinuma and Yukihiro Akao

Tetrahedron Letters

48

47

8290

8292