(8R,9S,13S,14S,17S)-3-Methoxy-13-methyl-17-(5-trimethylstannanyl-thiophen-2-yl)-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-ol 在
碘 作用下,
以
四氢呋喃 为溶剂,
以90%的产率得到(8R,9S,13S,14S,17S)-17-(5-Iodo-thiophen-2-yl)-3-methoxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-ol