Process for preparing mannose derivatives
US11560399B2 · kind B2 · utility
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19Claims
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Key dates
| Filing date | Jul 26, 2019 |
| Grant date | Jan 24, 2023 |
| Priority date | — |
| Expiry date | Jul 26, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a process to prepare a compound of the following formula (I): (I), in which P represents a protective group of a hydroxyl function which is a —COR1 group with R1 representing an aryl or a (C1C6)alkyl, R represents a hydrogen atom or a protective group of a terminal alkyne, from mannose, comprising the following steps: (a) protecting the 5 hydroxyl groups of the mannose by a protective group P; (b) coupling the protected mannose obtained at step (a) with a compound of the following formula (II). The present invention also relates to a compound of formula (IIIa).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.