ABSTRACT:

The chloroform extract of the leaves of Momordica foetida has yielded 3 beta, 7 beta, 23 xi-trihydroxycucurbita-5,24-dien- 19-al, 3 beta, 7 beta; 25-trihydroxycucurbita-5,23-dien-19-al and 3 beta,7 beta-dihydroxy-25-methoxycucurbita-5,23-dien-19-al and the novel compounds 5 beta,19-epoxy-25-methoxycucurbita-6,23-diene-3 beta, 19-diol, 5 beta,19-epoxycucurbita-6,23-diene-3 beta, 19,25-triol, 5 beta,19-epoxy-19-methoxycucurbita-6,23-diene- 3 beta,25-diol, 5 beta,19-epoxy-19, 25-dimethoxycucurbita-6,23-dien-3 beta-ol and 5 beta, 19-epoxy-25-methoxy-cucurbita- 6,23-dien-3 beta-ol.