The invention relates to a method for preparing 1,6:2,3-dianhydro-β-D-mannopyranose and is characterized in that it includes a step of cyclizing the compound B, where R is an activating agent, in the presence of a base selected from among ammonium hydroxides and mineral bases.
本发明涉及一种制备1,6:2,3-二去
水-β-
D-甘露糖苷的方法,其特征在于,它包括在
氨水和矿物质碱中选择一种碱的存在下,将化合物B环化的步骤,其中R是一种活性剂。