1-[(1R,2R,5R,7R,8S)-2-amino-8-phenylmethoxy-5-(phenylmethoxymethyl)-6-oxabicyclo[3.2.1]octan-7-yl]-5-methylpyrimidine-2,4-dione 、
三氟乙酸酐 在
吡啶 作用下,
以
二氯甲烷 为溶剂,
生成
2,2,2-trifluoro-N-[(1R,2R,5R,7R,8S)-7-(5-methyl-2,4-dioxopyrimidin-1-yl)-8-phenylmethoxy-5-(phenylmethoxymethyl)-6-oxabicyclo[3.2.1]octan-2-yl]acetamide