乙酸异丙烯酯 、 11β-acetoxy-16α,17α-dimethyl-5β-pregnane-3,20-dione 3,3-dimethyl acetal 、
碘甲烷 生成
11β-propionyloxy-16α,17α,21-trimethylpregn-4-ene-3,20-dione 、 Propionic acid (5S,8S,10R,13S,14S,16R,17S)-10,13,16,17-tetramethyl-3-oxo-17-propionyl-4,5,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-11-yl ester