| abstract |
The present invention concerns new 5-monoaryl as.-triazin-3-ones substituted in 2-position, a method of preparing them, and their use as medicaments. The compounds according to the present invention have general formula (I) <IMAGE> (I) in which: the bond represented by a dashed line indicates the presence of an optional double bond; A represents a direct N-C bond, a straight or branched C1 to C5 alkylene, possibly substituted one or more times by -COOR' or by Ar; R represents -H, -OH, <IMAGE> +TR <IMAGE> R' represents -H, -OH, straight or branched C1 to C7 alkyl, -NH2; Ar represents an aromatic ring having 5 or 6 members possibly containing a heteroatom such as O, N, S and possibly substituted one or more times by a radical selected from among -OH, C1 to C4 alkyl, C1 and C4 alkoxy, halogen, -CF3, acetonyloxy, <IMAGE> and gamma -butyrolactone; as well as their pharmaceutically acceptable salts. |