ethyl (4S,5S,6R,7R)-7-amino-4,5,6,8-tetrakis(benzyloxy)-3-hydroxyoctanoate 在
偶氮二甲酸二异丙酯 、
三苯基膦 作用下,
以
四氢呋喃 为溶剂,
生成
ethyl {(2S,3S,4R,5R,6S)-3,4,5-tris(benzyloxy)-6-[(benzyloxy)methyl]piperidin-2-yl}acetate 、 ethyl {(2R,3S,4R,5R,6S)-3,4,5-tris(benzyloxy)-6-[(benzyloxy)methyl]piperidin-2-yl}acetate