(2S,3S,4S,5R,6S)-5-Acetoxy-3-[(2R,3R,4R,5S,6R)-3-azido-6-(tert-butyl-diphenyl-silanyloxymethyl)-4-hydroxy-5-(4-methoxy-benzyloxy)-tetrahydro-pyran-2-yloxy]-6-methoxy-4-(2-trimethylsilanyl-ethoxymethoxy)-tetrahydro-pyran-2-carboxylic acid methyl ester 在
三丁基膦 作用下,
以
二氯甲烷 、
水 为溶剂,
反应 19.0h,
以71%的产率得到(2S,3S,4S,5R,6S)-5-Acetoxy-3-[(2R,3R,4R,5S,6R)-3-amino-6-(tert-butyl-diphenyl-silanyloxymethyl)-4-hydroxy-5-(4-methoxy-benzyloxy)-tetrahydro-pyran-2-yloxy]-6-methoxy-4-(2-trimethylsilanyl-ethoxymethoxy)-tetrahydro-pyran-2-carboxylic acid methyl ester