“…In this region, particularly in the west part of Java, this plant has been used to treat inflammation, female contraception (bark), dysentery (latex), and tuberculosis (young leaves) (Heyne, 1987). A literature survey disclosed that a number of chemical and biological studies have been carried out on this plant (Kijjoa et al, 1996;Nascimento et al, 1997;Cidade et al, 2001;Pedro et al, 2005;Ko et al, 2005;Cerqueira et al, 2008), and revealed that 3-prenylflavones, pyranoflavones, furanodihydrobenzoxanthonetype of flavones, and oxepinoflavones are the major flavonoids isolated. In continuation of our work aimed at finding new cytotoxic metabolites of Artocarpus (Hakim et al, 2006;Syah et al, 2006a;2006b, 2006c, we have examined wood samples of this plant and have isolated a new oxepinoflavone, which we named artoindonesianin E1 (1) (Fig.…”