(2S,3S,4S,5R,6S)-3-[(2S,3R,4R,5R,6R)-3-Acetylamino-4,5-bis-(2,2-dimethyl-propionyloxy)-6-hydroxymethyl-tetrahydro-pyran-2-yloxy]-6-(4-methoxy-phenoxy)-4,5-bis-(4-methyl-benzoyloxy)-tetrahydro-pyran-2-carboxylic acid methyl ester 在
三甲基氨基磺酸 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
生成 (2S,3S,4S,5R,6S)-3-[(2S,3R,4R,5R,6R)-3-Acetylamino-4,5-bis-(2,2-dimethyl-propionyloxy)-6-sulfooxymethyl-tetrahydro-pyran-2-yloxy]-6-(4-methoxy-phenoxy)-4,5-bis-(4-methyl-benzoyloxy)-tetrahydro-pyran-2-carboxylic acid methyl ester