Higher fatty acid triester compound having diethylenetriamine-type metal chelate structure
US7871596B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 23, 2008 |
| Grant date | Jan 18, 2011 |
| Priority date | — |
| Expiry date | Jul 22, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2602/50
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A compound having superior solubility and suitable for a liposome contrast medium selective for a lesion such as vascular diseases is provided which is represented by the following general formula (I)wherein R1, R2 and R3 independently represent an alkyl group or an alkenyl group having 8 to 25 carbon atoms; X represents —O—, or —N(Z)— (Z represents hydrogen atom, or an alkyl group having 1 to 3 carbon atoms); and L represents a divalent bridging group constituted by atoms selected from the group consisting of carbon atom, hydrogen atom, oxygen atom, nitrogen atom and sulfur atom; Ch represents a functional group represented by the following general formula (II), and in the general formula (II), any one of the hydrogen atom Ha, Hb, Hc, Hd, He, and Hf is substituted with L.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.