Hex-5-ynyl 2-(4-bromophenyl)-2-diazoacetate 、
雌二醇 在
dirhodium tetraacetate 作用下,
以
二氯甲烷 为溶剂,
以38%的产率得到hex-5-yn-1-yl 2-(4-bromophenyl)-2-(((8R,9S,13S,14S,17S)-3-hydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl)oxy)acetate