METHOD FOR MAKING N-SUBSTITUTED MANNOSAMINE DERIVATIVES
申请人:Glycom A/S
公开号:EP2935301A1
公开(公告)日:2015-10-28
[EN] METHOD FOR MAKING N-SUBSTITUTED MANNOSAMINE DERIVATIVES<br/>[FR] PROCÉDÉ DE FABRICATION DE DÉRIVÉS DE MANNOSAMINE N-SUBSTITUÉS
申请人:GLYCOM AS
公开号:WO2014096331A1
公开(公告)日:2014-06-26
The invention relates to a method for making an N-substituted D-mannosamine derivative of the following formula 1 and its salts wherein R1 is a non-electron-withdrawing group,and wherein R2 is -OH or R2 is –NHR3 wherein R3 is a group removable by hydrogenolysis; by epimerizingan N-substituted D-glucosamine derivative of the following formula 2 wherein R1 and R2 are as defined above.
Kuhn; Jochims, Justus Liebigs Annalen der Chemie, 1959, vol. 628, p. 172,181