(2S,3S,4S,5R,6S)-4,5,6-Tris-benzyloxy-3-(2-chloro-acetoxy)-tetrahydro-pyran-2-carboxylic acid methyl ester 在
dithiocarbonic acid hydrazide 作用下,
以
溶剂黄146 为溶剂,
反应 0.33h,
以88%的产率得到(2S,3S,4S,5R,6S)-4,5,6-Tris-benzyloxy-3-hydroxy-tetrahydro-pyran-2-carboxylic acid methyl ester