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
US10717718B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 16, 2016 |
| Grant date | Jul 21, 2020 |
| Priority date | — |
| Expiry date | Nov 16, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N33/56911
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Disclosed are new compounds of formulae: Wherein: R1 and R2 can be independently H; a C1 to C6 alkyl including methyl, ethyl, propyl, butyl; aryl including phenyl, para-methoxyphenyl; or R1,R2 together with the carbon C-6 can be a cyclopentylidene or cyclohexylidene; each of these groups being substituted or not; and R3 can be a C1 to C6 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-N3, Kdo-N3 and 4eKdo-N3.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.