Phosphorus compounds, processes for their manufacture, and their use
US4885285A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 9, 1985 |
| Grant date | Dec 5, 1989 |
| Priority date | — |
| Expiry date | Sep 9, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/091
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Cephalin derivatives of the formula I ##STR1## in which R.sup.1 and R.sup.2 each represents, independently of the other, hydrogen or lower alkyl, R.sup.3 represents hydrogen, lower alkoxycarbonyl, carbamoyl or free or protected carboxy, R.sup.4 represents hydrogen or an aliphatic, aromatic, aromatic-aliphatic or cycloaliphatic radical, W represents hydrogen and Z represents a 1,2-dihydroxyethyl, 2-hydroxyethyl or hydroxymethyl group in which at least one hydroxy group is esterified by an aliphatic C.sub.6-30 -carboxylic acid or etherified by an aliphatic C.sub.6-30 -alcohol and in which the other hydroxy group, if present, is free, esterified by an aliphatic C.sub.2-30 -carboxylic acid or etherified by an aliphatic C.sub.1-30 -alcohol, or W represents hydroxymethyl or a hydroxymethyl group that is esterified by an aliphatic C.sub.6-30 -alcohol and Z represents a hydroxymethyl group that is esterified by an aliphatic C.sub.6-30 -carboxylic acid or etherified by an aliphatic C.sub.6-30 -alcohol, and their salts are suitable for the prophylaxis and treatment of virus infections in warm-blooded animals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.