| 摘要 |
The invention concerns compounds of general formula (I) in which in particular n represents an integer between 1 and 4, R1 represents hydrogen, a linear or branched alkyl containing 1 to 9 carbon atoms or an arylalkyl such as a benzyl or a phenethyl, R2 represents a substituent selected between (a) and (b) in which X is omitted or represents -(CH2)k-NR'2- or -(CH2)p-C6H4-(CH2)q-NR'2-; Ar1 represents an aromatic radical such as a phenyl or a naphthyl, optionally substituted by one or several substituents selected among a halogen (F, Cl, Br), CH3, OCH3, CF3, CN, or SCH3; Ar2 represents an aromatic radical such as a phenyl or a thienyl; Y represents O, S, or CH2; Ar represents an aromatic group such as a phenyl, naphthyl, indolyl, thiadiazolyl, tetrahydronaphthyl, benzofuran, benzothienyl, benzodioxane, benzopyran, benzothiopyran of which the aromatic cycle can optionally be substituted.
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