Abstract: The invention relates to sulfonyl-containing 3,4-diaryl-3-pyrrolin-2-ones compounds having formula (I) wherein R1 is selected from the group consisting of 4-methylsulfonyl, 4-aminosulfonyl, hydrogen, 2-, 3-, or 4-halogen, C1–C6-alkyl, cyclopentyl, cyclohexyl, C1–C4-alkoxy, hydroxy, cyano, nitro, amino or trifluoromethyl; R2 is selected from the group consisting of 4-methylsulfonyl, 4-aminosulfonyl, hydrogen, 2-, 3-, or 4-halogen, C1–C6-alkyl, cyclopentyl, cyclohexyl, C1–C4-alkoxy, hydroxy, cyano, nitro, amino or trifluoromethyl; and R3 is selected from the group consisting of hydrogen, methyl, ethyl, n-propyl, i-propyl, c-propyl, n-butyl, isobutyl; provided that when R1 is a methylsulfonyl or aminosulfonyl group, R2 is any group as defined above except a methylsulfonyl or aminosulfonyl group; and when R2 is a methylsulfonyl or aminosulfonyl group, R1 is any group as defined above except a methylsulfonyl or aminosulfonyl group, also to processes for the preparation of such compounds, to pharmaceutical co

Abstract: The invention relates to compounds of formula (I): wherein R1 represents alkyl or ureido, R2 represents alkyl or hydrogen, or R1 and R2 together form a 5- or 6-membered ring, R3 represents CN, NO2, NRaR′a, NRaSO2R′a, NRaCZR5 or CZNRaR′a, R4 represents hydrogen or R3, and medicinal products containing the same which are useful in treating or preventing epilepsy and neurodegenerative diseases.

Abstract: The invention relates to compounds of formula (I): wherein R1 represents an alkyl or ureido group, R2 represents an alkyl group or a hydrogen atom, or R1 and R2 together form a 5- or 6-membered ring, R3 represents a group CN, NO2, NRaR′a, NRaSO2,R′aCZR5 or CZNRaR′a, R4 represents a hydrogen atom or a group R3.