Glycerol ester derivative
US7371877B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 27, 2003 |
| Grant date | May 13, 2008 |
| Priority date | — |
| Expiry date | Aug 10, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/117
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A compound represented by the following general formula (IA) or a salt thereof:wherein Ar1 represents hydrogen atom or an aryl group having at least one iodine atom as a substituent; Ar2 represents an aryl group having at least one iodine atom as a substituent; L1 and L2 independently represent a divalent bridging group of which main chain contains 6 or more carbon atoms; L3 represents a single bond or a divalent bridging group of which main chain contains 1 to 6 carbon atoms and one oxygen atom; X represents a functional group containing at least one heteroatom, provided that, when L3 is a single bond, X represents a functional group other than hydroxyl group. The compound can be used as a membrane component of liposomes, and the liposomes can be used as a contrast medium for X-ray radiography.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.