The invention relates to novel lactones, especially benzofuranones of the general formula ##STR1## in which R.sub.1 represents hydrogen or an aliphatic radical, R.sub.2 represents an amino group di-substituted by two monovalent hydrocarbon radicals, and the aromatic ring A may be additionally substituted, and their salts and/or isomers, processes for the manufacture of compounds of the formula (I) and their salts and isomers, pharmaceutical preparations containing these compounds, and their use as the active ingredients of medicaments and/or for the manufacture of pharmaceutical preparations.
该发明涉及新型内酯,特别是一般式##STR1##中,其中R.sub.1代表氢或脂肪基,R.sub.2代表由两个单价碳氢基团二取代的
氨基基团,芳香环A可以附加取代基,以及它们的盐和/或异构体,制备式(I)化合物及其盐和异构体的过程,含有这些化合物的制药制剂,以及它们作为药物的活性成分和/或制造药物制剂的用途。