Celastrus Angulatus Maxtn is distributed in the midst of China, and
used to be as natural insecticide. Three compounds were isolated from the
root-bark of Celastrus Arigulatus Maxin via silica gel chromatography
and prep. HPLC, i.e. (1)1 13 ,2 P -diacetoxy,8 P ,12-diisobutyroloxy,4 a ,6 a
-dihydroxy,9 P -benzoyloxy- J3 -dihydroagarofuran (angulatin A),(2) I 13
a ,8 P -triace...