Patent ID: 8193224
Filing Date: 2012-06-05
Classification: A61K,A61P,C07D,Y02A

Abstract:
1. A method of treating parasitic protozoan infections comprising administering a pharmaceutically effective amount of a compound shown by the following general formula (1) as an active ingredient wherein R represents an alkyl or aryl group; A and B each independently represents a heterocyclic ring selected from the group consisting of a thiazolyl, benzothiazolyl, and naphtothiazolyl, wherein the heterocyclic ring optionally has one or more alkyl substituents, wherein a nitrogen atom in the thiazole ring of B has a positive charge; Y represents S; L 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 is 1 and q is 0, wherein the parasitic protozoan infection is malaria, African trypanosomiasis, or American trypanosomiasis.