NEW 5-AZIDO-5-DEOXY-2:3-ISOPROPYLIDENE-D-ARABINOSE COMPOUNDS; THEIR METHOD OF MANUFACTURE AND THEIR USE FOR THE SYNTHESIS OF ARA-N3, KDO-N3 AND 4EKDO-N3

摘要

The invention relates to new compounds of formulae: Wherein: R 1 and R 2 can be independently H; a C 1 to C 6 alkyl including methyl, ethyl, propyl, butyl; aryl including phenyl, para-methoxyphenyl; or R 1 ,R 2 together with the carbon C-6 can be a cyclopentylidene or cyclohexylidene; each of these groups being substituted or not; and R 3 can be a C 1 to C 6 alkyl including methyl, ethyl, propyl, isopropyl, butyl, isobutyl, tert -butyl, pentyl; or aryl including phenyl, methylphenyl, ethylphenyl, each of these groups being substituted or not. The invention also relates to their method of manufacture and their use for the synthesis of Ara-N 3 , Kdo-N 3 and 4eKdo-N 3 .