(1S,2S,4aS,10aR)-1-(2-formylprop-2-enyl)-7-methoxy-2-methyl-3,4,4a,9,10,10a-hexahydro-1H-phenanthrene-2-carboxylic acid 在
sodium tetrahydroborate 作用下,
以
甲醇 为溶剂,
反应 3.0h,
以98%的产率得到(1S,2S,4aS,10aR)-1-(2-Hydroxymethyl-allyl)-7-methoxy-2-methyl-1,2,3,4,4a,9,10,10a-octahydro-phenanthrene-2-carboxylic acid