2,2-Dimethyl-propionic acid (2S,3R,4R,5S,6R)-2,5-bis-(2,2-dimethyl-propionyloxy)-6-(2,2-dimethyl-propionyloxymethyl)-3-(2-fluoro-benzoylamino)-tetrahydro-pyran-4-yl ester 在
氢溴酸 、
溶剂黄146 作用下,
以
二氯甲烷 为溶剂,
以70%的产率得到2,2-Dimethyl-propionic acid (2R,3R,4R,5S,6R)-2-bromo-5-(2,2-dimethyl-propionyloxy)-6-(2,2-dimethyl-propionyloxymethyl)-3-(2-fluoro-benzoylamino)-tetrahydro-pyran-4-yl ester