2-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)amino-1-oxa-3-azacyclopent-2-ene 在
氨 、
sodium 作用下,
以
四氢呋喃 为溶剂,
反应 0.33h,
生成 (1S,3R,4S,5S,6R)-8-(2-hydroxyethyl)amino-3-hydroxymethyl-2,7-dioxa-9-azabicyclo[4.3.0]non-8-ene-4,5-diol 、 (1R,5R,7S,8S)-7-((1R)-1,2-dihydroxyethyl)-3-(2-hydroxyethyl)amino-2,6-dioxa-4-azabicyclo[3.3.0]oct-3-ene-8-ol