DERIVADOS DE 1-BIFENILMETILIMIDAZOL, SU PREPARACION Y SU USO TERAPEUTICO

COMPUESTOS DE FORMULA (I): EN DONDE R1 ES ALQUILO O ALQUENILO; R2 Y R3 SON HIDROGENO, ALQUILO, ALQUENILO, CICLOALQUILO, ARALQUILO, ARILO, O ARILO FUSIONADO A CICLOALQUILO; R4 ES HIDROGENO, ALQUILO, ALCANOILO, ALQUENILO, ARILCARBONILO, ALCOXICARBONILO, TATRAHIDROPIRANILO, TETRAHIDROTIOPIRANILO, TETRAHIDROTIENILO, TETRAHIDROFURILO, UN GRUPO DE FORMULA ONDE RA,RB Y RC SON ALQUILO O ARILO, ALCOXIMETILO, (ALCOXIALCOXI)METILO, HALOALCOXIMETILO, ARALQUILO, ARILO O ALCANOILOXIMETOXICARBONILO; R5 ES CARBOXI O UN GRUPO DE FORMULA DONDE R8 Y R9 SON ATOMOS DE HIDROGENO O ALQUILO, O R8 Y R9 CONJUNTAMENTE FORMAN ALQUILENO; R6 ES HIDROGENO, ALQUILO, ALCOXI O HALOGENO; R7 ES CARBOXI O TETRAZOL UTICAMENTE ACEPTABLES Y ESTERES CONSIGUIENTES TIENEN ACTIVIDAD HIPOTENSIVA Y PUEDEN UTILIZARSE PARA EL TRATAMIENTO Y PROFILAXIS DE HIPERTENSION. PUEDEN PREPARARSE, INTER ALIA, MEDIANTE REACCION DE UN COMPUESTO BIFENILMETILO CON UN COMPUESTO IMIDAZOLA. N-Phenylbenzyl imidazole derivs. of formula (I) and their pharmaceutically acceptable salts and esters are new. In (I), R1 = 1-6C alkyl or 3-6C alkenyl; R2 and R3 = H, 1-6C alkyl, 3-6C alkenyl, 3-10C cycloalkyl (opt. polycyclic), aryl(1-6C)alkyl, aryl or aryl fused to 3-10C cycloalkyl; R4 = H, 1-6C alkyl, 1-6C alkanoyl (opt. substd. by one or more halo or 1-6C alkoxy if other than formyl), 3-6C alkenoyl, arylcarbonyl, 1-6C alkoxycarbonyl, tetrahydropyranyl, tetrahydrothiopyranyl, tetrahydrothienyl or tetrahydrofuryl (these 4 opt. substd. by one or more halo or 1-6C alkoxy), SiRaRbRc, 1-6C alkoxymethyl, 1-6C alkoxy(1-6C)alkoxymethyl, halo(1-6C)alkoxymethyl, 1-6C alkyl substd. by at least one aryl, or 1-6C alkanoyl-oxymethoxycarbonyl; Ra, Rb and Rc = 1-6C alkyl or aryl, but not all aryl; R5 = COOH or CONR8R9; R8 and R9 = H, 1-6C alkyl (opt. substd. by at least one (a)) or together are 2-6C alkylene opt. substd. by at least one COOH or alkoxycarbonyl; R6 = H, 1-6C alkyl or alkoxy, or halo; R7 = COOH or tetrazol-5-yl; (a) = aryl, 5-6 membered heterocyclic with 1-4 N, O and/or S, halo, OH, 1-6C alkoxy, COOH, 1-6C alkoxycarbonyl, NH2 or acylamino (acyl = 1-6C alkanoyl or arylcarbonyl); aryl = 6-14C aromatic carbocyclic gp. opt. substd. by at least one of NO2, CN, halo, 6-10C carbocyclic aryl (unsubstd.), 1-6C alkyl or alkoxy, COOH, 1-6C alkoxy-carbonyl, or 1-3C alkylenedioxy or alkylidenedioxy. 23 Cpds. e.g. pivaloyloxymethyl (or (5-methyl-2-oxo -1,3-dioxolen-4-yl)methyl) 4-(1-hydroxy-1-methylethyl) -2-(ethyl, propyl or butyl)-1-(4-(2-tetraz