| 摘要 |
<p>Compounds of the formula I <IMAGE> in which n = 1, 2 or 3, R<1> is hydrogen, unsubstituted or amino-, acylamino- or benzoylamino-substituted alkyl, alkenyl, cycloalkyl, cycloalkenyl, cycloalkylalkyl, aryl or partially hydrogenated aryl each of which can be substituted by alkyl, alkoxy or halogen, arylalkyl which as defined above can be substituted in the aryl radical, a mono- or bicyclic heterocyclic radical having up to 10 ring atoms, 1 to 2 ring atoms of which can be sulphur or oxygen atoms and/or 1 to 4 ring atoms of which represent nitrogen atoms or an amino acid side chain, R<2> is hydrogen, alkyl, alkenyl or arylalkyl, Y is hydrogen or hydroxyl, Z is hydrogen or Y and Z together are oxygen and X is alkyl, alkenyl, cycloalkyl, aryl which can be mono-, di- or trisubstituted by alkyl, alkoxy, hydroxyl, halogen, nitro, amino, alkylamino, dialkylamino or methylenedioxy, or indol-3-yl, a process for their preparation, agents containing them, their use as well as intermediates and a process for their preparation.</p> |
