Taylor and Greenberg3 have shown that certain 6-hydroxyquinolines with diethylaminoalkylamino side chains at the 8-position are effective amebicides against E. histolytica in guinea pigs. The hydroquinone of 8-isopropylaminoamylamino-5, 6-quinoline- quinone, which is rapidly converted to the quinone by air, 2 is slightly active despite the fact that the quinone is not stable and is probably rapidly destroyed in vivo. It was therefore of ...
