THE STRUCTURE OF KAMEBANIN, A NEW ANTITUMOR <i>ENT</i>-KAURENOID FROM <i>ISODON KAMEBA</i> OKUYAMA

Abstract

Abstract Chemical investigation of the bitter principles from Isodon Kameba has led to the isolation and characterization of a new ent-kaurenoid diterpene, kamebanin 1, which has in vitro cytotoxicity, in vivo tumor inhibitory, and antibacterial activities.