申请人:G.D. Searle & Co.
公开号:EP0328508A2
公开(公告)日:1989-08-16
A method is disclosed for the chemical synthesis of 1,5-dideoxy-1,5-imino-D-mannitol or 1,5-dideoxy-1,5-imino-L-mannitol from, respectively, 2,3-O-isopropylidene-L-gulono-γ-lactone or 2,3-O-isopropylidene-D-gulono-γ-lactone which comprises carrying out interconversion between the L-gulono and D-mannono forms or between the D-gulono and L-mannono forms, respectively, and connecting of C-1 to C-5 by nitrogen.
本发明公开了一种化学合成 1,5-二脱氧-1,5-亚氨基-D-甘露醇或 1,5-二脱氧-1,5-亚氨基-L-甘露醇的方法,该方法分别从 2,3-O-异亚丙基-L-古洛诺-γ-内酯或 2、1,5-二脱氧-1,5-亚氨基-L-甘露醇或 1,5-二脱氧-1,5-亚氨基-L-甘露醇,分别由 2,3-O-异亚丙基-L-古洛壬烷-γ-内酯或 2,3-O-异亚丙基-D-古洛壬烷-γ-内酯制得,其中包括分别在 L-古洛壬烷和 D-甘露壬烷之间或 D-古洛壬烷和 L-甘露壬烷之间进行相互转化,并通过氮连接 C-1 至 C-5。