New flavone derivatives to be used as analeptics having the formula ##STR1## wherein R.sub.1 and R.sub.2 are both methyl or ethyl, or taken together with the nitrogen atom to which they are attached represent a mononuclear 5- or -6 membered heterocyclic ring which may contain an oxygen atom as further hetero atom; R.sub.3 and R.sub.4 are hydrogen or methyl, provided that at least one of them is hydrogen, and process for the preparation thereof starting from resorcinol and phenylacetonitrile or a phenylacetonitrile derivative.
新的
黄酮衍
生物可用作兴奋剂,其
化学式为##STR1## 其中R.sub.1和R.sub.2均为甲基或乙基,或与它们所附着的氮原子一起表示可包含氧原子作为进一步杂原子的单核5或6成员杂环环;R.sub.3和R.sub.4为氢或甲基,但至少其中之一为氢,并且从
间苯二酚和
苯乙腈或
苯乙腈衍
生物开始制备它们的过程。