Bifunctional do2pa derivatives, chelates with metallic cations and use thereof
US11266754B2 · kind B2 · utility
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8Claims
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Key dates
| Filing date | Sep 23, 2019 |
| Grant date | Mar 8, 2022 |
| Priority date | — |
| Expiry date | Sep 23, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2123/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Disclosed are chelates resulting from the complexation of bifunctional do2pa derivatives ligands of formula (I), wherein the substituents R1, R1′, R2, R2′, R3, R3′, L1, L1′, L2 and L2′ are defined as in the claims, with metallic cations, especially Pb(II) and Bi(III). Also disclosed are bifunctional do2pa derivatives ligands of formula (I), as well as the use of chelates in nuclear medicine and the use of ligands in cations detection or epuration of effluents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.