NOUVELLES AMIDINES, LEUR PROCEDE DE PREPARATION ET LEUR APPLICATION THERAPEUTIQUE

PCT No. PCT/FR84/00170 Sec. 371 Date Mar. 12, 1985 Sec. 102(e) Date Mar. 12, 1985 PCT Filed Jul. 6, 1984 PCT Pub. No. WO85/00366 PCT Pub. Date Jan. 31, 1985.Compounds having the formula (I) wherein R1 and R2 are a hydrogen atom, an alkyl group or a hydroxy group, or else R1 and R2 form together a bivalent ethylene or trimethylene radical; R3 is a halogen atom, an alkyl group, an alkoxy group, a mono- or polyhydroxylated alkyl group, an amino group, a mono- or di-alkyl amino group, an acetamido or sulfonamido group; R1 is a hydroxy group, a mono- or polyhydroxylated alkyl group, an amino group, a mono- or dialkyl amino group, an acetamido or sulfonamido group; R4 being in the position 3, 4 or 5 and A is a bridge having from 1 to 3 links selected among the groups having the formula (II), -NH-,-N=-O- and -S-. R5 represents an hydrogen atom, an alkyl group, a hydroxy group or an alkoxy group as well as the addition salts thereof with pharmaceutically acceptable acids. Said compound may be used in therapeutical treatment as antihypertensive agents, particularly in the ocular field. (I) (II)