Medicinal composition for prevention or treatment of parasitic protozoan infection
US8193224B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Sep 30, 2005 |
| Grant date | Jun 5, 2012 |
| Priority date | — |
| Expiry date | Mar 11, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A50/30
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention is to provide a medicinal composition for preventing or treating parasitic protozoan infections, having a high selective toxicity against parasitic protozoan infection, and a superior preventive or treating effect. A medicinal composition for preventing or treating parasitic protozoan infections comprises a compound shown by the following general formula (1) as an active ingredient(wherein R represents an alkyl group, aryl group or heterocyclic group; A and B each independently represents a 5- or 6-membered ring containing at least one hetero atom, or a condensation ring wherein 1 or more 3- to 8-membered ring is condensed thereto; Y represents S, O, Se, or —NR1— (R1 represents an alkyl group, aryl group or heterocyclic group); L1, L2, L3, L4 and L5 each independently represents a methine group; Q represents a physiologically acceptable anion; k represents an integer of 0 to 2, necessary to make the electric charge of the whole molecule 0; p and q each represents an integer of 0 to 3, wherein the sum of p and q is 1 or more, and 6 or less).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.