Triterpenoids from Mallotus repandus: Three new δ-lactones
作者:Hui Wai-Haan、Li Man-Moon
DOI:10.1016/0031-9422(77)83025-2
日期:——
Abstract The leaves of Mallotusrepandus contain friedelin, 3β-hydroxy-13α-ursan-28,12β-olide ( 1 ), its benzoate ( 2 ) and ursolic acid. The stems contain friedelin, lupeol, α-amyrin, 2 and 3α-hydroxy-13α-ursan-28, 12β-olide ( 3 ), 21α-hop-22(29)-ene-3β,30-diol and ursolic acid. 1–3 are new compounds.