Acetic acid (3S,5R,9S,10R,13R,14S)-17-(1,5-dimethyl-hexyl)-4,4,13,14-tetramethyl-tetradecahydro-cyclopropa[9,10]cyclopenta[a]phenanthren-3-yl ester 在
ozone-containing oxygen 、 iron(II) sulfate 作用下,
生成 7-oxycycloartanyl acetate 、
3β-acetoxy-8β-hydroxycycloartan-7-one