Analysis of a petrol extract of the leaves of Piper peepuloides resulted in the isolation of a new cinnamoyl pyrrolidine amide characterized as Z-pyrrolidine-1-3-(6-methoxy-1,3-benzodioxol-5-yl)-1-oxo-2-propenyl along with peepuloidin, 2-methoxy4,5-methylenedioxy-Z-cinnamoyl piperidide, β-sitosterol and β-sitosterol glucoside.