A chromone derivative has the formula: ##STR1## in which one of the radicals R, R' is a hydrogen atom or a lower alkyl radical and the other of the radicals is an aminoalkyl oxy benzoyl group having the formula: ##STR2## The derivative can be of use in the pharmaceutical industry in drugs for treating heart disorders. The derivative can be prepared from the novel intermediate compounds: ##STR3##
一种咔咯烷衍生物的化学式为:##STR1## 其中,Radical R 或 R' 中的一个是氢原子或较低的烷基基团,另一个基团是具有以下化学式的氨基烷氧基苯甲酰基团:##STR2## 该衍生物可用于制药工业中用于治疗心脏疾病的药物。该衍生物可以从新的中间化合物制备:##STR3##