Abstract

A couple of bicyclo[2.2.2]octyl esters of 2-dialkylaminoacetic acids were prepared. Their antiplasmodial and antitrypanosomal activities against Trypanosoma brucei rhodesiense (STIB 900) and the K 1 strain of Plasmodium falciparum (resistant to chloroquine and pyrimethamine) were determined using microplate assays. Structure–activity relationships were discussed. The antiprotozoal activities were remarkably increased by insertion of a second basic centre. The selectivity indices of the most active compounds are superior in the bicyclo-octane series.

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