Benzoic acid (2S,3R,4R,5S,6R)-3-(3,4-dimethyl-2,5-dioxo-2,5-dihydro-pyrrol-1-yl)-2-[dimethyl-(1,1,2-trimethyl-propyl)-silanyloxy]-5-hydroxy-6-hydroxymethyl-tetrahydro-pyran-4-yl ester 在
三甲基铵三氧化硫共聚物 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
生成 Benzoic acid (2S,3R,4R,5S,6R)-3-(3,4-dimethyl-2,5-dioxo-2,5-dihydro-pyrrol-1-yl)-2-[dimethyl-(1,1,2-trimethyl-propyl)-silanyloxy]-5-hydroxy-6-sulfooxymethyl-tetrahydro-pyran-4-yl ester