4-((2S,3R,4R,5S,6R)-4,5-Diacetoxy-6-acetoxymethyl-3-allyloxycarbonylamino-tetrahydro-pyran-2-ylsulfanyl)-butyric acid methyl ester 在
sodium methylate 作用下,
以
甲醇 为溶剂,
反应 4.0h,
以100%的产率得到4-((2S,3R,4R,5S,6R)-3-Allyloxycarbonylamino-4,5-dihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-ylsulfanyl)-butyric acid methyl ester