| 摘要 |
A novel 3-benzylidene-1-carbamoyl-2-pyrrolidone analog represented by general formula (I), which is excellent in an antiinflammatory action and more particularly is useful for treating chronic inflammation without causing adverse effects such as gastric disorders, wherein R<1> and R<2> represent each independently hydrogen, alkyl, alkoxy or halogen; R<3> represents hydrogen or acyl; R<4> represents hydrogen, alkyl, hydroxy, alkoxy, cyano or halogen; R<5> and R<6> represent each independently hydrogen, alkyl, aryl, aralkyl, heterocycle, (un)substituted amino or OR<7> wherein R<7> represents hydrogen, alkyl, aryl, acyl or aralkyl, or alternatively R<5> and R<6> are combined together with the nitrogen atom to form a heterocyclic group which may further contain N, O and/or S; and X and Y represent each independently O, S, (un)substituted imino or (un)substituted methylene. <CHEM> |
