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Antiparasitic agents. 3. Synthesis and anthelmintic activities of novel 2-pyridinyl-5-isothiocyanatobenzimidazoles
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1979
Year
Parasitic DiseaseActive MemberAntiparasitic AgentOrganic ChemistryHeterocycle ChemistryPharmaceutical ChemistryDrug ResistanceMedicinal ChemistryToxicologyParasitologyMg/kg PoAllergyParasitic ProtozoaPharmacologyAntiparasitic AgentsHelminth InfectionMedicineDrug DiscoveryAnthelmintic Activities
The preparation and anthelmintic activities of a series of 2-pyridinyl-5-isothiocyanatobenzimidazoles are described. In the primary oral mouse screen, six derivatives showed 100% taeniacidal activity at 0.2% in diet. The most active member in this series, 1c, is potentially an effective gastrointestinal nematocide in sheep at 50 mg/kg po.