(3S,5S,6S,7R,10S)-3-benzyloxycarbonylamino-6,7-epoxy-10-triethylsilyloxy-1-oxaspiro[4,5]dec-6-ene-2,8-dione 在
sodium tetrahydroborate 作用下,
以
甲醇 为溶剂,
反应 5.0h,
以25%的产率得到(3S,5S,6S,7S,10S)-3-benzyloxycarbonylamino-6,7-epoxy-8-hydroxy-10-triethylsilyloxy-1-oxaspiro[4,5]dec-6-ene-2,8-dione