2',3'-dideoxy purine nucleosides and process for the preparation thereof
US5563049A · kind A · utility
22Cited by
6References
2Claims
0Family size
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Key dates
| Filing date | Mar 15, 1995 |
| Grant date | Oct 8, 1996 |
| Priority date | — |
| Expiry date | Mar 15, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S435/852
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
2',3'-Dideoxy purine nucleosides represented by following general formulae [I] and/or [II] ##STR1## (wherein X and Y indicate nitrogen atoms or carbon atoms and R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 indicate each independently any of hydrogen atom, hydroxyl group, amino group, alkyl group, halogen atom, alkoxy group and mercapto group) are produced by bioconversion with strains of E. coli, K. pneumoniae and E. herbicola.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.