| abstract |
The present invention relates to compounds of formula (I), optical isomers thereof, if present, and addition salts thereof with pharmaceutically acceptable acids or bases, and to medicaments:n n n n n n n n Wheren n n R is a hydrogen atom; A group selected from the group consisting of alkenyl and substituted or unsubstituted alkyl,n n n Each R 1 to R 8 may be the same or different and represents a hydrogen atom, alkyl, alkenyl, hydroxy, alkoxy, alkenyloxy, arylalkyl, arylalkoxy, carboxy, acyloxy, or arylcarbonyloxy group ,n n n ▶, each of R 1 to R 8, form a single lifting one alkylenedioxy groups R 1 to R 8 adjacent to air,n n n * When R is not a hydrogen atom, at least one of R 1 to R 8 represents a hydroxy group or an acyloxy group,n n n The compound of formula (I) is not indeno [1,2-b] indole-10 (5H) -one. |