The present invention relates to an efficient new route for the preparation of (+)-nojirimycin and (+)-1-deoxynojirimycin which involves the steroselective reductive amination of 1,2-O-isopropylidene-5-oxo-α-D-glucuronolactone. The reductive amination uses particular oximes of the 5-oxo compound (Formula II).
本发明涉及制备(+)-
野尻霉素和(+)-
1-脱氧野尻霉素的高效新路线,该路线涉及1,2-O-异亚丙基-5-氧代-α-
D-葡萄糖醛酸内酯的立体选择性还原胺化。还原胺化反应使用 5-氧代化合物(式 II)的特定
肟。