描述:
24-methyl-24,25-dioxoscalar-16-en-12β-yl 3-hydroxybutanoate 反应 0.02h,
以300 mg的产率得到3-Hydroxy-butyric acid (5aS,5bR,7aS,11aS,11bR,13R,13aS)-3,5b,8,8,11a,13a-hexamethyl-5a,5b,6,7,7a,8,9,10,11,11a,11b,12,13,13a-tetradecahydro-2-oxa-cyclopenta[a]chrysen-13-yl ester