Process for separating 2-deoxy-2,2-difluoro-D-ribofuranosyl alkylsulfonate anomers
US5256797A · kind A · utility
21Cited by
2References
11Claims
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Key dates
| Filing date | Jun 22, 1992 |
| Grant date | Oct 26, 1993 |
| Priority date | — |
| Expiry date | Jun 22, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07H11/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for separating an anomeric mixture of alpha and beta 2-deoxy-2,2-difluoro-D-ribofuranosyl-1-alkylsulfonates by contacting the anomeric mixture with a solvent; heating; adding a countersolvent; and lowering the temperature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.