Acetic acid (2R,3R,4R,5R,6R)-3-acetoxy-6-allyloxy-5-(2,2,2-trifluoro-acetylamino)-2-[(2,2,2-trifluoro-acetylamino)-methyl]-tetrahydro-pyran-4-yl ester 在
臭氧 、
二甲基硫 作用下,
以
二氯甲烷 为溶剂,
以99%的产率得到Acetic acid (2R,3R,4R,5R,6R)-3-acetoxy-6-(2-oxo-ethoxy)-5-(2,2,2-trifluoro-acetylamino)-2-[(2,2,2-trifluoro-acetylamino)-methyl]-tetrahydro-pyran-4-yl ester