(E)-(S)-1-((2S,5S)-2,5-Bis-methoxymethoxymethyl-pyrrolidin-1-yl)-2-methyl-5-phenyl-pent-4-ene-1,3-dione 在
zinc(II) tetrahydroborate 作用下,
以95%的产率得到(E)-(2S,3R)-1-((2S,5S)-2,5-Bis-methoxymethoxymethyl-pyrrolidin-1-yl)-3-hydroxy-2-methyl-5-phenyl-pent-4-en-1-one