A concise synthesis of 2,5-dideoxy-2,5-imino-d-mannitol (DMDP) and HomoDMDP from l-xylose
作者:Jean-Bernard Behr、Georges Guillerm
DOI:10.1016/j.tetlet.2007.01.125
日期:2007.3
A short and practical procedure for the preparation of C-2 substituted polyhydroxypyrrolidines is described. The C-2 substituent is introduced by a stereoselective addition of a Grignard reagent to a 2,3,5-protected aldofuranose and the cyclization to the pyrrolidine ring system is performed through a bis-mesylation/double nucleophilic displacement sequence. The efficiency of the methodology was demonstrated
描述了制备C-2取代的多羟基吡咯烷酮的简短而实用的方法。通过将格氏试剂立体选择性地添加到2,3,5-保护的醛呋喃糖中来引入C-2取代基,并通过双甲磺酰化/双亲核取代序列进行吡咯烷环系统的环化。该方法在合成HomoDMDP和DMDP中的应用证明了该方法的有效性。