3β-Acetoxy-urs-11-en-28,13-olide exhibits significant protein tyrosine phosphatase 1B (PTP1B) inhibitory activity, it is a mixed-type PTP1B inhibitor.
3β-Acetoxy-urs-11-en-28,13β-olide exhibits weak-moderate antiproliferative activity against the A2780 human ovarian cancer cell line.
3-Acetoxy-11-ursen-28,13-olide (11,12-dehydroursolic lactone acetate) is a reduction product of 11-ketoursolic acid[1].
[1] D. H. S. HOR, et al. The occurrence of 11,12-dehydroursolic lactone acetate in Eucalyptus waxes. Manuscript received November 20, 1963.
