(1R,4S,7S,8R,9R,10aR)-8,9-Diacetoxy-4-hydroxy-1,4a,7-trimethyl-7-vinyl-1,2,3,4,4a,5,6,7,8,9,10,10a-dodecahydro-phenanthrene-1-carboxylic acid methyl ester 在
platinum(IV) oxide 氢气 作用下,
以
乙醇 为溶剂,
25.0 ℃
、101.32 kPa
条件下,
生成 (1R,4S,7R,8R,9R,10aR)-8,9-Diacetoxy-7-ethyl-4-hydroxy-1,4a,7-trimethyl-1,2,3,4,4a,5,6,7,8,9,10,10a-dodecahydro-phenanthrene-1-carboxylic acid methyl ester