(3R,4S,5S)-3,4-dihydroxy-5-[(1'S)-1',2'-dihydroxyethyl]-3,4:1',2'-di-O-isopropylidene-2-methyl-1-pyrroline 在
lithium aluminium tetrahydride 作用下,
以
乙醚 为溶剂,
以54%的产率得到(2S,3R,4S,5S)-3,4-dihydroxy-5-[(1'S)-1',2'-dihydroxyethyl]-3,4:1',2'-di-O-isopropylidene-2-methylpyrrolidine