Compounds of formula (3) in which: R.sub.1 and R.sub.2 independently represent an atom of hydrogen, an aliphatic group or an alkyloxyalkyl group in which the alkyl chains are from C.sub.1 to C.sub.4 or together form an aromatic ring; R.sub.3 represents: an atom of hydrogen, or an NHR.sub.5 group in which R.sub.5 represents an atom of hydrogen or a COR.sub.6 group in which R.sub.6 is an aliphatic or aromatic group, or an NO.sub.2 group or a COOR.sub.7 group in which R.sub.7 is an aliphatic group, R.sub.4 represents a phenyl or heterocyclic group. These compounds can be used in the treatment of illnesses linked to the HIV virus.
式(3)中的化合物,其中:R.sub.1和R.sub.2分别表示
氢原子、
脂肪基或烷
氧基烷基,其中烷基链为C.sub.1到C.sub.4,或者一起形成芳香环;R.sub.3表示:
氢原子,或者NHR.sub.5基团,其中R.sub.5表示
氢原子或者COR.sub.6基团,其中R.sub.6是
脂肪基或芳香基,或者NO.sub.2基团或COOR.sub.7基团,其中R.sub.7是
脂肪基,R.sub.4表示
苯基或杂环基团。这些化合物可用于治疗与HIV病毒相关的疾病。