Compounds of the formula (I): ##STR1## and salts thereof wherein R.sub.1 is hydrogen, alkyl of 1 to 4 carbon atoms or benzyl; R.sub.2 is hydrogen or alkyl of 1 to 4 carbon atoms or is joined to R.sub.1 so that the NR.sub.1 R.sub.2 moiety is a 5 -, 6- or 7-membered saturated heterocyclic ring; R.sub.3 is hydrogen, alkyl of 1 to 4 carbon atoms or acyl of 1 to 4 carbon atoms; R.sub.4 is an aromatic group; R.sub.5 is hydrogen or alkyl of 1 to 4 carbon atoms R.sub.6 is hydrogen or alkyl of 1 to 4 carbon atoms; X is --CH.sub.2 -- or an oxygen atom and the dotted line represents a single or double bond, are useful for inducing anorexia and for their mood-modifying effects.
式(I)的化合物和其盐,其中R1是氢、1至4个碳原子的烷基或苄基;R2是氢、1至4个碳原子的烷基或与R1连接形成NR1R2基团为5、6或7元饱和杂环环;R3是氢、1至4个碳原子的烷基或1至4个碳原子的酰基;R4是芳香基;R5是氢或1至4个碳原子的烷基;R6是氢或1至4个碳原子的烷基;X是--
CH2--或氧原子,虚线表示单键或双键。这些化合物有助于诱导厌食症,并具有调节情绪的作用。