2,4,6-Triisopropyl-benzenesulfonic acid (R)-2-((S)-1-chlorosulfonyl-4-oxo-azetidin-2-yloxy)-2-((3aR,5R,6R,6aR)-2,2-dimethyl-6-methylsulfanylmethoxy-tetrahydro-furo[2,3-d][1,3]dioxol-5-yl)-ethyl ester 在
红铝 作用下,
以
甲苯 为溶剂,
反应 1.0h,
生成
(4'S) 5-O-(azetidin-2'-onyl-4')-6-O-triisopropyl-benzenesulfonyl-1,2-O-isopropylidene-3-O-methylthiomethyl-α-D-allofuranose