Acetic acid (3aR,4S,6S,7S,7aR)-4-bromo-2,2,6-trimethyl-tetrahydro-[1,3]dioxolo[4,5-c]pyran-7-yl ester 、
3-[(1R,2S,3R,5R,6R,9S,10R,13S,15R,17R)-3,9,13,15-tetrahydroxy-5,19,19-trimethyl-18,20-dioxapentacyclo[11.8.0.01,17.02,10.05,9]henicosan-6-yl]-2H-furan-5-one 在
氰化汞 、
盐酸 作用下,
以
二氯甲烷 、
甲醇 为溶剂,
反应 62.0h,
生成
4-[(1R,3R,5S,8R,9S,10R,11R,13R,14S,17R)-1,5,11,14-Tetrahydroxy-10-hydroxymethyl-13-methyl-3-((2R,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyl-tetrahydro-pyran-2-yloxy)-hexadecahydro-cyclopenta[a]phenanthren-17-yl]-5H-furan-2-one 、 4-[(1R,3R,5S,8R,9S,10R,11R,13R,14S,17R)-1,5,11,14-Tetrahydroxy-10-hydroxymethyl-13-methyl-3-((2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyl-tetrahydro-pyran-2-yloxy)-hexadecahydro-cyclopenta[a]phenanthren-17-yl]-5H-furan-2-one