Acetic acid (3aS,4S,6R,7R,7aS)-6-acetoxymethyl-4-(4-methylsulfanyl-phenoxy)-2-oxo-tetrahydro-[1,3]dioxolo[4,5-c]pyran-7-yl ester 在
Dowex-1 (basic) resin 作用下,
以
甲醇 为溶剂,
以33%的产率得到(2R,3S,4S,5S,6S)-2-Hydroxymethyl-6-(4-methylsulfanyl-phenoxy)-tetrahydro-pyran-3,4,5-triol