疟疾防治药物的研究——Ⅻ.2,4-二取代-6-取代氨基喹唑啉衍生物的合成及其抗疟作用
STUDIES ON ANTIMALARIALS Ⅻ.SYNTHESIS AND ANTIMALARIAL ACTIVITIES OF SOME DERIVATIVES OF 2,4-DISUBSTITUTED-6-SUBSTITUTED AMINO OUINAZOLINES
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Abstract: 2,4-Diamino-, 2-amino-4-hydroxy-and 2,4-dihydroxy-6-substituted amino quinazolines were synthesized and evaluated for their antimalarial activities. Preliminary screening tests conducted on mice infected with Plasmodium berghei showed that most compounds of Ⅱ and Ⅲ were effective in varying degrees in the blood schizonticidal test, with compounds Ⅲ2~4 being as effective as nitroquine. Compounds V were found to have some effects, but compounds of Ⅳ, Ⅵ and Ⅶ were shown to be inactive.
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