| abstract |
The invention relates to novel products of formula (i) wherein het represents a heterocycle optionally substituted with one or more radicals r1 or r'1, r is selected from the group consisting of (a '), (b), (c) ), (d) and (e) with r1 and / or r'1, selected from h, halogen, cf3, nitro, cyano, alkyl, hydroxy, mercapto, amino, alkylamino, dialkylamino, alkoxy, phenylalkoxy, alkylthio, free carboxy or esterified with an alkyl radical, carboxamide, co-nh (alkyl), con (alkyl) 2, nh-co-alkyl, sulphonamide, nh-s02-alkyl, s (O) 2-nhalkyl, s (o2) -n (alkyl) 2; all these optionally substituted radicals; w1, w2, w3 independently represent ch or n, x represents o, s, nr2, c (o), s (o) or s (0) 2; z represents h, hai, -O-r2 or -nh-r2 with r2 represents h, optionally substituted alkyl, cycloalkyl or heterocycloalkyl; these products being in all isomeric forms and salts as medicaments. |