| 摘要 |
Pyrrolidin-2-one derivatives of the formula: <IMAGE> wherein R represents hydrogen, an acyl radical containing from 2 to 7 carbon atoms, a saturated or unsaturated alkyl, containing from 1 to 6 carbon atoms, aralkyl, cycloalkyl or aromatic, R1 and R2 may be the same or different and represent hydrogen, a saturated or unsaturated alkyl radical, containing from 1 to 3 carbon atoms, cycloalkyl radical or R1 and R2, together with the adjacent nitrogen atom, may form an heterocyclic ring optionally containing an additional heteroatom selected from the group consisting of oxygen and nitrogen, n represents an integer from 0 to 2 inclusive, and the process for their preparation are described. |
