Low temperature process for preparing alpha-anomer enriched 2-deoxy-2,2-difluoro-D-ribofuranosyl sulfonates
US5401861A · kind A · utility
29Cited by
2References
14Claims
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Key dates
| Filing date | Jun 22, 1992 |
| Grant date | Mar 28, 1995 |
| Priority date | — |
| Expiry date | Jun 22, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A stereoselective process for preparing alpha-anomer enriched 2-deoxy-2,2-difluoro-D-ribofuranosyl sulfonates by contacting a lactol with an amine base in an inert solvent, adjusting the temperature and adding a sulfonating reagent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.