Nucleoside phosphinate compounds and compositions
US5508270A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 28, 1994 |
| Grant date | Apr 16, 1996 |
| Priority date | — |
| Expiry date | Feb 28, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A compound of formula ##STR1## where R.sup.1 is hydrogen or a protecting group Q; R.sup.2 is hydrogen, a C.sub.1 -C.sub.8 aliphatic radical, a C.sub.6 -C.sub.15 aromatic radical, a C.sub.3 -C.sub.8 cycloaliphatic radical, a C.sub.7 -C.sub.13 araliphatic radical, an alkali metal ion or an ammonium ion; R.sup.3 and R.sup.4 are independently hydrogen, halogen or hydroxy; R.sup.5 is C.sub.6 -C.sub.10 aryloxythiocarbonyloxy, the C.sub.6 -C.sub.10 aryl group being unsubstituted or substituted, or R.sup.5.sub.a ; R.sup.5.sub.a is hydrogen, fluorine, chlorine, hydroxy, --OR.sup.8, --OCOR.sup.8 or silyloxy substituted by three C.sub.1 -C.sub.15 hydrocarbyl groups; R.sup.6 is hydrogen, a C.sub.1 -C.sub.10 aliphatic radical, a C.sub.6 -C.sub.15 aromatic radical, a C.sub.7 -C.sub.16 araliphatic radical, --COR.sup.9, --SO.sub.2 R.sup.9 or silyl substituted by three C.sub.1 -C.sub.15 hydrocarbyl groups; R.sup.7 is a monovalent nucleoside base radical, hydroxyl, --OR.sup.8 or --OCOR.sup.8, and R.sup.9 are independently a C.sub.1 -C.sub.10 aliphatic radical, a C.sub.3 -C.sub.8 cycloaliphatic radical, a C.sub.6 -C.sub.15 aromatic radical or a C.sub.7 -C.sub.16 araliphatic radical; or R.sup.5 and th…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.