The invention relates, inter alia, to a process for the provision of 6-amino-6-desoxy-2,3-O-isopropylidene- alpha -L-sorbofuranose derivatives which comprises treating a 2,3-O-isopropylidene-6-sulphonated- alpha -L-sorbofuranase with an amine in an aqueous medium in an autoclave, followed by reaction of the reactions product in a basic medium to provide the free amine of Formula I as described hereinafter. The invention also includes the products obtained by the reaction and the invention further includes the process for providing the compounds of Formula VII as described hereinafter by treatment of a compound of Formula I as described hereinafter with an acid, followed by hydrogenation. The products of the invention are useful as medicaments or intermediates for medicaments.
展开▼
