From the ether extract of dried latex of Artocarpus heterophyllus (syn
. A. integrifolia), two new tetracyclic triterpenoids, 9,19-cyclolanos
t-3-one-24,25-diol (24 R) and 9,19-cyclolanost-3-one-24,25-diol (24 S)
together with two known compounds, cycloartenone and cycloartenol hav
e been isolated. The structures were elucidated by detailed spectrosco
pic and chemical methods.