Compounds of the formula ##SPC1## Wherein A designates that the fused six-membered ring could be either unreduced, partially reduced or totally reduced and wherein R.sup.1 is --N(CH.sub.3).sub.2, --N(C.sub.2 H.sub.5).sub.2, ##EQU1## or --N(CH.sub.2 CH.sub.2 Cl).sub.2 and R.sup.2 is ##SPC2## And R is an acyl group with 1-5 carbon atoms, and pharmaceutically acceptable salts thereof; processes for their preparation; pharmaceutical preparations containing at least one of these compounds and the use thereof in the treatment of and protection against malaria infection.
化合物的公式为##
SPC1##其中A表示融合的六元环可以是未还原的、部分还原的或完全还原的,R.sup.1是--N(CH.sub.3).sub.2、--N(C.sub.2 H.sub.5).sub.2、##EQU1##或--N(CH.sub.2 CH.sub.2 Cl).sub.2,而R.sup.2是##
SPC2##,R是一个含有1-5个碳原子的酰基基团,以及其药学上可接受的盐;制备它们的方法;包含至少其中一种化合物的制药制剂以及在治疗和预防疟疾感染方面的应用。